Pumps inventions 12/05

20050287007 - Foam encased pump: A compact pump has a uni-body, or alternately a two-part, housing of self-skinning foam construction for superior noise and vibration reduction, such as needed for medical nebulizer applications. The uni-body foam housing is formed by molding the housing around a pump assembly having special features designed to shield and space...

20050287008 - Method and system for a variable speed fan control for thermal management: A method and system for variable speed fan control for thermal management of a device includes disposing a first temperature sensor proximate a variable speed fan to measure an air temperature of inlet air Tair that cools the device by convection air flow. A controller is configured to compensate for...

20050287010 - Gaseous fluid compressor control system: A system for optimizing compressor output flow when a maximum power consumption limit exists and the compressor inlet pressure can vary. Utilizing the invention the maximum compressor output flow can be obtained even while the inlet pressure to the compressor varies....

20050287009 - Metered quantity transfer device: It is an object of the present invention to provide a metering delivery device that is capable of keeping the fluid discharge rate at a predetermined level for a long time by using a metering pump without the necessity of adjustment or the like. In order to achieve this object,...

20050287011 - Apparatus and method for controlling operation of reciprocating compressor: An apparatus and method for controlling an operation of a reciprocating compressor are disclosed. The apparatus for controlling an operation of a reciprocating compressor includes a microcomputer for outputting a control signal for controlling a stroke of a reciprocating compressor; and an electric circuit unit for selecting one of control...

20050287012 - Vacuum micropump and gauge: A vacuum micropump for use in a sealed package includes at least one pumping cell and a magnetic field proximate to the pumping cell. The pumping cell has at least one anode, at least one dielectric in contact with the at least one anode, at least one titanium cathode in...

20050287013 - Pump system: There is provided a pump system including; a base unit which has an input portion operatively connected to a driving source on a first end face and has a plurality of output portions capable of outputting a power transmitted from the input portion on a second end face at the...

20050287014 - Displacement control valve for variable displacement compressor: A displacement control valve for a variable displacement compressor includes a first valve hole forming a part of a supply passage and a second valve hole forming a part of a discharge passage. Displacement of a reciprocating body is transmitted to each of first and second valve bodies so that...

20050287015 - Hydraulic motor: The motor comprises a cam and a cylinder block mounted to rotate one relative to the other. The cam comprises a plurality of cam lobes and the cylinder block has a plurality of cylinders slidably receiving pistons that are suitable for co-operating with the cam. The motor further comprises a...

20050287016 - Radial piston pump: A radial piston pump for generation of high fuel pressures in fuel injection systems comprises a pump housing, a pump shaft and at least one cylinder insert, arranged radially to the pump shaft. A cylinder chamber is located within the cylinder insert in which a piston can move back and...

20050287017 - Saturation-proof hydraulic control device that is composed of two or more elements: The invention refers to the field of hydraulic control devices and refers to a saturation-proof hydraulic control device with two or more elements; each element is composed of a six-way, two-position spool (4) of the proportional type, a pressure compensator (3), also of the proportional type, notches on the spool...

20050287018 - Retention of ball bearing cartridge for turbomachinery: An exemplary housing for a turbocharger includes a substantially cylindrical bore having a longitudinal axis, an inner diameter, a proximate end and a distal end; a counterbore positioned at the distal end, substantially centered on the longitudinal axis and having an inner diameter; a plate attachment mechanism at the proximate...

20050287019 - Gas compressor: A gas compressor includes a housing with suction and discharge ports, and a gas-compressing mechanism housed in the housing to compress a gas sucked through the suction port and discharge the compressed gas via the discharge port. The mechanism includes a cylinder defining a cylinder chamber with a circular or...

20050287020 - Micropump and micro-incubator utilizing gas generation and production method thereof: A micropump utilizing gas generation includes a silicon substrate having a reservoir for H2O2 solution formed therein, a SiO2/Si3N4 film formed on the silicon substrate, and a PDMS combined on the SiO2/Si3N4 film, wherein the PDMS has a reservoir for MnO2, a sample reservoir connected to the reservoir through a...

20050287021 - Variable discharge fuel pump: A pump has a housing defining at least one pumping chamber, and a plunger slidably disposed within the at least one pumping chamber. The plunger is movable between a first and second spaced apart end positions to pressurize a fluid. The pump also has a driver operatively engaged with the...

20050287022 - Blood pump apparatus: A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing...

20050287024 - Air pump assembly: An air pump assembly includes a pump module having an outer surface and a casing at least partially surrounding the pump module. The casing has an inner surface defining a cavity sized to snugly receive the pump module such that the outer surface of the pump module is in substantial...

20050287023 - Connection piece for a fuel pump: A fuel pump in which a plug (7) used for mounting electrical contacts (6) is extrusion-coated with a plastic coat and is inserted into a receiving device (12) of a connection piece (4). The plug (7) comprises a circumferential sealing lip (17) which is molded on as a single piece...

20050287025 - Method and apparatus for use in enhancing fuels: The present embodiments provide methods and apparatuses for use in enhancing and/or treating fluids, such as fuels. Some embodiments provide apparatuses for use in treating fuel that comprise a first conduit having an input end, an output end, and a metallic interior surface; a second conduit positioned within and axially...

20050287027 - Hydraulic fluid reservoir and hydraulic system: A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjacent to the bottom...

20050287026 - Low density counterweight for eccentric driven pump: An eccentric for balancing the piston of an eccentric driven pump has a counterweight portion with a relatively low density between 0.07 lbm/in3 and 0.2 lbm/in3, preferably less than 0.1 lbm/in3....

20050281678 - Pumpdosimeter - system and method for automatically controlling fluid parameters in centrifugal pumps: The Pumpdosimeter is a method and apparatus for automatically maintaining a desired fluid parameter range at the sensor of a centrifugal pump system to decrease damage to the pump, and includes delivering a second pump dosage to either pipe while repeatedly sequencing through the plurality of sequential pump doses beginning...

20050281679 - Basement flood control system: A basement flood control system for use in a structure having a basement floor located below ground level and having a sump pit or other collection basin for gathering subterranean water. The system has two primary pump units operated with line current, a battery-operated back-up pump unit, and a sensor...

20050281680 - Method and system for improving pump efficiency and productivity under power disturbance conditions: A system for controlling operation of a progressing cavity pump to maintain the motor operating under power disturbance conditions. For a blackout condition, a backspin controller uses regenerative power to provide controlled deceleration of the pump, counteracting backspin and preventing backspinning freely. For a brownout condition, a power dip controller...

20050281681 - Method and system for improving pump efficiency and productivity under power disturbance conditions: A system for controlling operation of a progressing cavity pump to maintain the motor operating under power disturbance conditions. For a blackout condition, a backspin controller uses regenerative power to provide controlled deceleration of the pump, counteracting backspin and preventing backspinning freely. For a brownout condition, a power dip controller...

20050281682 - Autonomous moving microstructures: A microstructure includes a catalyst region, and a non-catalyst region proximate to the catalyst region. The catalyst region induces a chemical reaction of a fluid component when the microstructure is located within a fluid medium containing the fluid component. The chemical reaction induces relative motion between the fluid medium and...

20050281683 - Gas separator fluid crossover for well pump: A submersible pump gas separator for a well pump has a housing with a rotatable shaft. A separating section in the housing separates heavier well fluid components into an area radially outward from the lighter components. A crossover member rotates with the shaft. The crossover member has a helical liquid...

20050281684 - Fuel supply apparatus: In a fuel supply apparatus, a fuel pump is disposed in a fuel tank and a fuel tank cover member is disposed at a top portion of the fuel tank. An electronic circuit section is fixedly integrated into the fuel tank cover member, and the electronic circuit section includes a...

20050281685 - Rotary pump with exclusively hydrodynamically suspended impeller:

20050281687 - Bearing device and fan apparatus: In a bearing device equipped with a fastening element for rotatably supporting a drive shaft of a hand tool unit, the fastening element has a heat conducting structure for conveying heat from a bearing region of the fastening element into a ventilation region of said bearing element, and in a...

20050281686 - Refrigerant compressor with improved oil retention: A variable capacity automotive refrigerant compressor is provided with a pressure equalization passage between the crankcase volume and the suction passage in the manifold to prevent a pressure imbalance between the two that could otherwise cause a reduction in crankcase lubricant retention during extended periods of system inactivity....

20050281688 - Valve apparatus and pneumatically driven diaphragm pump incorporating same: A valve apparatus and pneumatically driven diaphragm pump incorporating same having a valve body having a longitudinal axis and an actuator having an axis with a first end and a second end. The first and second ends have first and second diaphragms, respectively, disposed thereon and located transversely to the...

20050281689 - Diametric slider block pump: A pump includes a base, a rotor, a slider block, a cover, and a drive member. Thus, the pump is used to pump the fluid in two opposite directions by changing the rotation direction of the rotor without having to change the parts of the pump, thereby enhancing the versatility...

20050281690 - Vane pump: A body bore 2 formed in a body 1 is closed with a cover 9, as well as a cam ring 4 is incorporated into the body bore 2, and a rotor 6 is arranged inside the cam ring 4. Vanes 7 move in and out along an inner surface...

20050281691 - Compressor: A compressor designed to discharge a refrigerant compressed in the compressor to the outside through a cylinder head and a discharge muffler. The compressor is designed to prevent heat of a refrigerant passing through a discharge chamber and the discharge muffler in the cylinder head from being transferred to a...

20050281693 - Machine for drawing fluid from a sump for circulation: A machine for drawing fluid from a sump for circulation with reciprocating rod, intake nozzle, rotating collar, fluid inlet, and fluid outlet....

20050281694 - Inner air seal anti-rotation device: An anti-rotation device for preventing rotation of a damper spring and an inner air seal in a stator assembly is provided. The anti-rotation device is formed by a lug positioned within a slot at a center of an inner air seal arc segment. The lug engages a slot in the...

20050281695 - Device for attaching water pump to aquarium: A flexible attaching device for attaching a water pump to an aquarium, includes a flexible stem having one end for attaching to the aquarium, and the other end for coupling to a water pump with a coupling device. The coupling device includes a plate attached to the flexible stem for...

20050281692 - Axial-flow type fan having an air inlet blade structure tipped with leading corners: An axial-flow type fan includes a fan housing consisting of an air-boosting inlet, an air outlet and an air channel, and a fan wheel consisting of a hub and fan blades arranged about a rotary axis of the hub. Each of the fan blades has a tipped leading corner to...

20050281696 - Embedded microfluidic check-valve: Embedded check-valve manufacturing assembly (100, 600) for subsequent firing and integration in a micro-fluidic system. The assembly can include a check-valve chamber (104, 604), an inlet port (106, 606) and an outlet port (108, 608) formed from at least one layer of an unfired low-temperature co-fired ceramic (LTCC) tape to...

20050276699 - Reciprocating piston compressor: The reciprocating piston compressor has several parallel cylinder-piston units (7, 8) in a common compressor casing (3) and whose pistons (8) are moved by a rotary wobble plate (11) by means of a coupling bracket (9) surrounding sliding pads (12). For modifying the wobble plate inclination as a result of...

20050276700 - Control valve for variable displacement compressor: To provide a control valve for a variable displacement compressor, which can be realized with a simple construction, while being equipped with the function of a check valve to be disposed at an outlet port of the compressor. The control valve for a variable displacement compressor includes a main valve...

20050276701 - Hydraulic motors: A variable displacement bi-directional hydraulic motor 10 comprising a rotatable member 14 that has an axis of rotation and defines a plurality of cylinder bores, respective pistons 30 received in said bores and a yoke 34 provided with a bearing surface that is engaged by respective bearing members 32 carried...

20050276702 - Compressor inlet pressure control system: An inlet control device includes a status valve and a reed valve. The status valve is positioned as a function of a status of a state of a compressor. Also, the reed valve delivers a reed output pressure to an inlet of the compressor as a function of a reed...

20050276703 - Miniature pump for liquid cooling system: A miniature pump includes a pump casing (1) defining therein an inner space with an inlet (104) and an outlet (110) both being in flow communication with the inner space, a liquid circulating unit (2) having an impeller (26) received in the inner space, a motor driving unit (3) received...

20050276704 - Piston for a rotary combustion engine: A rotary combustion engine with at least one working unit, which has essentially a peripheral engine housing, a side housing plate on one side, a side housing plate on the power takeoff side, a triangular piston, and an eccentric shaft. The piston is configured of several parts, which are connected...

20050276705 - Positive displacement pump having piston and/or liner with vapor deposited polymer surface: A metering pump for providing relatively small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within selected limits and a vapor deposited polymer such as polytetrafluoroethylene. A drive mechanism is provided for simultaneously rotating and...

20050276706 - Reciprocating fluid pump assembly employing reversing polarity motor: A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flux field which interacts with an electromagnetic field produced during...

20050276707 - Draw back pump: A piston pump dispenser having a reciprocating piston pump arrangement which, in a dispensing stroke, dispenses fluid from an outlet and, in a charging stroke, to draw fluid from a reservoir also draws back fluid from the outlet through which fluid is dispensed in the dispensing stroke....

20050276708 - Pump inlet manifold: A reciprocating piston/plunger pump inlet manifold includes an elongated cylindrical manifold member closable at opposite ends by transverse end caps connected to the manifold member by releasable couplings. A rubber or polymer liner formed with nitrogen filled closed cells is disposed within the manifold member. Spaced apart fluid discharge guide...

20050276709 - Hydraulic actuating device: The invention relates to a hydraulic actuating device for a movable component of a vehicle, in particular a closure element for closing an opening in a vehicle body, such as for example a movable roof, such as a folding roof or a retractable hard top. The hydraulic actuating device according...

20050276710 - Piston pump with slot-controlled inlet valve: The invention relates to a piston pump for delivering hydraulic fluid, including a cylinder element, a piston that is able to move back and forth in the cylinder element, a piston chamber in which the piston is able to exert pressure on the hydraulic fluid, an outlet valve, and a...

20050276711 - Muffler system for a compressor: A muffler system for a compressor includes an expansion chamber muffler for reducing pressure pulses at the compressor's fundamental pulsation frequency and a side-branch muffler for filtering high-frequency pressure pulses. The expansion muffler is positioned along the compressor discharge stream at a location that maximizes pulsation reduction at the compressor's...

20050276712 - Inlet check valve with removable seat: An inlet check valve is mountable to a valve body that, in turn, is mounted to a high pressure pump. The inlet check valve has a removable inlet seat with a first through-hole forming an inlet path and functioning as a valve seat. A valve is positionable over the first...

20050271517 - Emergency automatic sump valve: A system and apparatus for preventing overflow of sump tanks and thereby precluding basement flooding. One embodiment of the apparatus comprises a valve, a flood indicator sensor, an automatic valve actuator connected to the valve, capable of being activated when the flood indicator sensor is triggered....

20050271518 - Pumping method and system: A pumping system having a main pump with a controller and a primer. The primer includes a vacuum source for drawing priming fluid into the pump, a vibratory fork liquid sensor which constantly senses for priming fluid, and a primer controller which connects the vacuum source as soon as the...

20050271519 - Apparatus for controlling operation of compressor and method therefore: Provided is an apparatus for controlling an operation of a compressor which can always apply a constant voltage to the compressor without noise and a method therefor. The apparatus for controlling the operation of the compressor includes: a triac electrically connected to the compressor; and a controller for controlling a...

20050271520 - Liquid ring compressor: Liquid ring compressor, characterized by an eccentric inner rotor (6) is supported in axles (8, 9) to an outer co-rotor (3) for the liquid ring, where the bearing of the co-rotors (11) is outside the same axles on each side is enclosed in an enclousure where it on each sides...

20050271521 - Cooling fan: Disclosed is a cooling fan including a fan rotated by a motor, for forcibly circulating the air, and a fan housing having a through hole with a predetermined inside diameter so that the fan can be mounted thereon. A curvature radius of the end of the inner circumference of the...

20050271522 - Mobile concrete pump and corresponding building frame: The invention concerns a mobile concrete pump comprising a building frame (22) arranged on the structure (12) of a truck chassis (10) and serves to maintain a supporting device (38), a core pump (24) and functional units which form a distribution mast (36). The building frame (22) comprises two longitudinal...

20050271523 - Swash-plate variable volume chamber-type fluid machine: The present invention provides an improved swash plate type variable capacity fluid machine which is fluid-tight, simple in structure, quiet in operation, and highly durable, yet without increasing its size, weight, and the amount of power loss. The swash plate type variable capacity fluid machine includes: a cone; a disk;...

20050271524 - Buoyancy and weight transducer system: A transducer system utilizing weighted compression units for transmitting and receiving the flow of a first fluid with the units disposed within a second fluid is disclosed. The system includes a series of weighted units linked one to the other. The weighted units are configured for select orientation and, when...

20050271525 - Pump device: A pump device may include an eccentric member mounted on an output shaft in an eccentric manner, a cam mechanism which is engaged with the eccentric member to convert a motion of the output shaft into a radial direction and at least one pump body which includes a diaphragm that...

20050271526 - Reciprocating compressor, driving unit and control method for the same: A driving unit and control method for a reciprocating compressor for controlling a frequency of input power so that an operational frequency of the compressor follows a resonant frequency, which varies depending on a variation of the load applied to the compressor. The reciprocating compressor includes an inverter to adjust...

20050271529 - Fan housing for a heat exchanger, particular for motor vehicles: The invention relates to a fan housing for an air-flow heat exchanger having a fan blower comprising an axial-flow fan and a drive motor, the blower being connected to the fan housing by struts and the struts having a cross-sectional profile with a front edge and a rear edge. It...

20050271527 - Electrical insulation arrangements for electric fans, motor assemblies and controls therefor: The present invention generally provides electrical insulation arrangements for electric fans, motor assemblies and controls therefor. According to a particular aspect of the invention, an electric motor for an electric fan having a fan housing is provided. The motor comprises a motor casing having an insulator mounting arrangement configured for...

20050271528 - Lubricating systems for regenerative vacuum pumps: In a vacuum pump of the regenerative type or including a regenerative section in which a rotatable substantially vertical shaft is supported by upper and lower bearings, a lubricating system for lubricating the bearings comprising an axial bore extending along the shaft and in communication with radial holes aligned respectively...

20050271530 - Compressor: A compressor has a crankshaft, at least one cylinder, and at least one piston. Each such piston is positioned for reciprocal motion at least partially within associated such cylinder and coupled to the crankshaft so as to drive the reciprocal motion. The compressor includes an inlet, a suction plenum, an...

20050271531 - Oral care device: Oral care devices are provided that include a pumping assembly for dispensing a fluid, e.g., a dentifrice, from the oral care device....

20050271532 - Oil supply apparatus for hermetic compressor: Disclosed is an oil supply apparatus for a hermetic compressor including an oil feeder mounted at a bottom end of a crank shaft rotated by a driving unit, for sucking oil, an oil passage formed inside the crank shaft, for guiding the oil sucked by the oil feeder, and an...

20050271533 - Pump apparatus: In a pump apparatus having a reduction chamber for reducing pulsation of a hydraulic fluid pressurized in a pump section on the way of a discharge channel having an opening in the outer surface of the housing of the pump section, a remaining fluid inflow prevention pipe having one end...

20050265852 - Fluid pressure control device: A fluid pressure control device including a housing having a hydraulic circuit, a pump built into the housing, a motor for driving the pump, a circuit board for controlling the motor and a solenoid valve for changing an amount of venting of the hydraulic circuit. The motor, the circuit board...

20050265853 - Control valve for variable displacement compressor: To provide a control valve for a variable displacement compressor, which is simple in construction and excellent in controllability. Between a port for introducing refrigerant at discharge pressure Pd1 delivered from a discharge chamber and a port for allowing refrigerant at discharge pressure Pd2 to flow out at a controlled...

20050265854 - Electric discharge machine and machining fluid cooling device: An electric discharge machine controls temperature fluctuations of machining fluid discharged by a discharge pump so as to improve machining accuracy, and a machining fluid cooling device keeps the temperature of the discharged machining fluid constant regardless of the operating state of the discharge pump. The electric discharge machine pumps...

20050265855 - Piston type compressor: The piston type compressor includes a cylinder block, a rotary shaft, a plurality of pistons, a rotary valve and radial load transmission means. The radial load transmission means transmits a radial load caused by compression reaction force acting on the piston, which is on its compression stroke of the discharge...

20050265856 - Hydraulic tensioner: A check valve unit in a hydraulic tensioner comprises a check ball which controls the flow of the oil to and from a high pressure oil chamber formed by a plunger and the plunger-receiving hole of the tensioner housing, a ball guide in which the check ball moves, a retainer...

20050265857 - Supporting apparatus of compressor: A supporting apparatus of a compressor comprises: a shaft fixed perpendicularly to a base plate; a first sheet member insertedly coupled to the shaft and disposed at an upper surface of the base plate; a second sheet member inserted upon the shaft movably in a vertical direction, to which a...

20050265858 - Motor vehicle drive arrangement: In a motor vehicle drive arrangement oil is supplied to a drive gear mechanism and other drive elements by an oil pump which is driven only by an electric motor and is arranged in a space in which one or more torque transmission devices such as a hydrodynamic torque converter,...

20050265859 - Fluid supply unit, in particular hydraulic supply unit: A fluid supply unit (1), in particular a hydraulic supply unit is disclosed, comprising a pressure generator (2) for the fluid, in particular a pump or hydraulic fluids and a pressure outlet (7). The aim of the invention is to broaden the application possibilites of such a unit. Said aim...

20050265860 - Motor-mounted internal gear pump and electronic device: The present invention aims to provide a motor-mounted internal gear pump that is small-sized, less expensive and has high reliability, while utilizing a function of an internal gear pump that is suitable for high head. A motor-mounted internal gear pump has a pump section for sucking and discharging a liquid...

20050265861 - Diaphragm pump: A diaphragm pump for pumping a fluid includes a diaphragm and a driver. The diaphragm has a first surface and a second surface. The driver includes a support portion and is connected to the diaphragm via the support portion. The driver is reciprocated to deform the diaphragm thereby performing a...

20050265862 - Pump: A pump includes a unit case, a volume-changing body, a support portion, a driver and a seal member. The volume-changing body is accommodated in the unit case for defining a pump chamber. The support portion is provided in the unit case. The driver is connected to the volume-changing body and...

20050265863 - Hermetic compressor: Relating to oil feed to a piston portion in a dual support bearing of a hermetic compressor, and a structure for improving efficiency and reliability and accomplishing reduction of noise is disclosed. In this structure, since an auxiliary bearing 119 is provided with an oil feed passage 129 for conducting...

20050265866 - Centrifugal pump intake channel: A centrifugal pump with a housing having one or more impellers having an axial or semiaxial, open or closed design disposed therein and an intake channel mounted upstream of the first impeller. A plurality of grooves that are distributed around the circumference and extend in the direction of flow are...

20050265865 - Pump with turbulence inducing tab: A centrifugal pump has a pump case and a rotatable impeller disposed within the pump case. A central aperture is defined within the rearward wall of the pump case to facilitate the connection of an impeller drive shaft to the impeller. A drive shaft seal is disposed within the central...

20050265864 - Cooling fan having dual blade sets: A cooling fan with dual blade sets has an impeller formed by a rotatable hub, a stator assembly, and a shell. A plurality of mini blades and a plurality of guide blades are respectively formed on a bottom surface and an external surface of the rotatable hub. The impeller has...

20050265867 - Radial piston pump with eccentrically driven rolling actuation ring: An hydraulic head features two or three individual radial pumping pistons and associated pumping chambers, annularly spaced around a cavity in the head where an eccentric drive member with associated outer rolling actuation ring are situated, whereby a rolling interaction is provided between the actuating ring and the inner ends...

20050265868 - Fluid actuator: A fluid actuator configured for achieving extended cycle life and reduced overall actuator height. The actuator may include a nesting arrangement between portions of the actuator to reduce overall height and provide stability. The actuator may also join movable members and include a guidance mechanism to avoid undesired contact between...

20050265869 - Valve connector: A valve connector for coupling with inflation valves of vehicle tyres, comprising a housing, within the housing a coupling hole for coupling with an inflation valve, the coupling hole having a central axis and an outer opening, positioning means for positioning the inflation valve when coupled in the coupling hole,...

20050265870 - Actuating means able to be activated by fluid action: An actuating means adapted for fluid activation has a contractile hose terminally secured by clamping on at least one head piece. The contractile hose fits into an annular clamping gap or nip, whose wall bears saw tooth serrations, the saw tooth serrated areas being so arranged that their teeth are...

20050265871 - Concrete pump with pivotable hopper assembly: A concrete pump with a pivoting valve and hopper assembly is provided with a novel wear plate and wear ring. The wear plate is mounted on the frame of the pump and remains mounted on the frame as the valve and hopper assembly pivots between open and closed positions. When...

20050265872 - Supply device: The invention relates to a supply device for the supply of pressure fluid into at least one vehicle brake or into a pressure fluid accumulator, wherein a piston is movably arranged in an accommodating member, a carrier bears a non-return valve arranged coaxially to the piston for the purpose of...

20050265873 - Compact simplified compressor apparatus: A compact simplified compressor apparatus is provided with a rotating shaft rotationally driven by a motor, a compact compressor activated by the rotating shaft, an air feeding means for feeding a high-pressure air from the compact compressor to a tire, and a power source plug supplying an electricity to the...

20050265874 - Submersible pump: A submersible pump for attachment to the lower end of a well pipe discharge tube for insertion in liquid includes a stationary collecting tube for collecting the liquid and an upward and downward reciprocating pumping tube within the collecting tube for pushing and lifting the liquid into the discharge tube;...

20050265875 - Wear rings for downhole pump: A downhole pump for a well has a barrel and a plunger. The barrel has a passage extending along the length of the barrel, with the passage having an inside diameter. The plunger has an outside diameter and is received by the barrel passage for relative reciprocal movement. One of...

20050265876 - Fluid circulator with rigid diaphragm: The subject of the present invention is a fluid circulator comprising an excitable rigid diaphragm (1) which comprises at least one orifice (2), and preferably a fluid collector (6), which may or may not be secured to an upper (4) or lower (5) plate. Another subject of the invention is...

20050265877 - Fluid connection: A fluid connection comprised of a first fitting having a body with a first end and a second end. A passage extends through the body from the first end to the second end. A bracket is mounted to the second end of the body. The bracket defines a space adjacent...