Pumps inventions 04/06

20060088422 - Pill crusher: A pill crusher has a paper cup receptacle having an upwardly open, frusto-conical recess for receiving a paper cup, a plunger having a frusto-conical shape complimentary to that of the recess, the plunger being above and coaxial with the recess, an electric motor and a reciprocating drive transmission between the...

20060088423 - Variable rate pumping system: A pumping system comprising a motor, wherein the motor has an operating speed, a pump coupled to the motor, wherein the pump has a volumetric displacement, a fluid end coupled to the pump, wherein the fluid end is operable to draw fluid from an input and provide fluid to an...

20060088424 - Method of controlling air conditioner for vehicles: A vehicle air conditioner is controlled so a target control value of a pressure control valve controlling tilt angle of a swash-plate of a swash-plate type variable capacity compressor is variably controlled according to temperature deviation between target evaporator temperature and actual evaporator temperature, thereby controlling the compressor discharge capacity....

20060088425 - Variable stroke assembly: A variable stroke assembly enables the piston stroke length of a positive displacement pump to be varied while maintaining a substantially constant unswept volume in the piston cylinder. Alternatively, a variable stroke assembly enables the piston stroke length of a pump or an engine to be varied while maintaining a...

20060088426 - Electric motor fuel pump having a reduced length: An electric motor and fuel pump assembly with a housing having generally opposed ends with an electric motor within the housing having an armature with an axial commutator adjacent one end of the armature and one end of the housing. A fuel pump is positioned adjacent another end of the...

20060088427 - Roots compressor: A roots compressor has a housing, a rotary shaft, a rotor and a layer. The housing defines a pump chamber, a suction port and a discharge port. The suction port and the discharge port adjoin to the pump chamber. The rotary shaft is rotatably supported by the housing. The rotor...

20060088428 - High performance cooling fan: A cooling fan comprises a rotor configured to generate airflow. The cooling fan further comprises an outlet guide vane adapted to receive the airflow generated by the rotor and to orient the airflow in a substantially axial direction relative to the rotor. The cooling fan further comprises a diffuser configured...

20060088430 - Ball screw lubricative sealing device: The invention provides a ball screw lubricative sealing device having a simplified lubrication mechanism. It is attachable to an installed standard ball screw nut, capable of retaining larger amount of lubricant and long supply of lubricant to the contacting screw parts, and further includes a sealing function. It includes: generally...

20060088429 - Liquid level controller with manual tripping device: A liquid level controller assembly for a vessel is disclosed. The liquid level controller assembly includes a float positionable within the vessel such that the float is moveable in response to liquid level changes. A lever is connected to the float such that the lever moves in response to movement...

20060083623 - Compression pump system: According to one embodiment, an apparatus is disclosed that includes a compressor pump and a duty cycle controller. The duty cycle controller controls amount of time that the compressor pump is on each duty cycle. The amount of time is selected so that the compressor pump will operate at a...

20060083622 - Hydraulically driven vehicle: The present invention includes a hydraulic pump (11), a variable displacement hydraulic motor (5) for traveling driven by pressure oil from the hydraulic pump (11), a motor displacement control means (17, 18) for adjusting a displacement of the hydraulic motor (5) in correspondence to a drive pressure at the hydraulic...

20060083624 - Subsea fluid delivery system and method: A system for delivering fluids to a subsea device comprises a first fluid pressurizer for pressurizing fluid at a first pressure in communication with a fluid pressure intensifier located subsea that is capable of increasing the fluid pressure of the fluid. It is emphasized that this abstract is provided to...

20060083625 - Control valve for variable displacement compressor: To provide a control valve for a variable displacement compressor, which is improved in slidability of a shaft that transmits a change in suction pressure to a valve element, and enhanced in controllability. In a control valve for a variable displacement compressor in which a plunger of a solenoid is...

20060083626 - Compressor and hermetic housing with minimal housing ports: A vapor compression system having a multi-stage compressor with a minimal number of ports located in the hermetically sealed compressor housing. A working fluid at suction pressure enters the compressor housing through a first port and is compressed to an intermediate pressure. The intermediate pressure refrigerant flows from the first...

20060083627 - Vapor compression system including a swiveling compressor: A refrigeration system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, an expansion device and a second heat exchanger. The compressor is pivotable about an axis. The compressor has a first...

20060083628 - Swach plate type variable displayment compressor for supercritical refrigeration cycle: A swash plate type variable capacity compressor which is a compressor (10) to be used for a supercritical refrigerating cycle (1) and provided with a swash plate (400) which is disposed rotatably, a piston (500) which is coupled with the swash plate and a cylinder (600) which holds the piston...

20060083629 - Piston pump: A piston pump (10) for a hydraulic consumer of an electronically controlled vehicle brake system, carries a stepped piston (50, 50′) and centers a sealing assembly (26, 26′) which is retained in an axial direction Ax by a step (52, 52′) on the stepped piston (50, 50′), on the one...

20060083630 - Pump: A pump is capable of screening out coarse contaminants from fluid, and includes a pump housing with a fluid-entering portion and a fluid-exiting portion, a screen unit mounted on the fluid-entering portion and having holes for screening out the coarse contaminants from the fluid, and a filter unit mounted on...

20060083631 - Fuel pump assembly: A fuel pump assembly has a pump mounted to an electric motor by a spring clamp device preferably having a plurality of arms spaced circumferentially around the pump and extending axially generally parallel to an axis of rotation of the motor, from a common base member. The base member is...

20060083633 - Pressure/flow sensing stall recovery for a ram air turbine: A stall recovery system for a ram air turbine (RAT) that supplements the operation of a volume fuse in the hydraulic system of the RAT by sensing a stall condition as the combination of low pressure at less than maximum flow and reducing RAT load torque after the sensed stall...

20060083632 - Pump: The present invention provides a pump comprising a container containing a dispense material, an outlet therefrom and an actuator arranged to alternate between first and second configurations in response to a change in the pump's environment, to cause an aliquot of dispense material to be expelled through the outlet....

20060083634 - Pressure washer having oilless high pressure pump: An oilless high pressure pump suitable for use in devices such as pressure washers and the like is described. The pump includes an eccentric assembly suitable for converting rotary motion of a rotating shaft to rectilinear motion. One or more straps couple the eccentric assembly to a piston assembly. The...

20060083635 - Air bladder type vent valve for use in an hydraulic oil tank of an enclosed hydraulic transmission system: Air bladder type vent valve is disclosed having an air bladder fastened to the air vent of the hydraulic oil tank of an enclosed hydraulic transmission system, for example, hydraulic jack and suspended inside the hydraulic oil tank, and a fastening device, which affixes the air bladder to the periphery...

20060083636 - Pump assembly for transporting a cooling fluid: A pump assembly includes a cam member arranged to rotate about an axis, and a piston pump having a cylinder body with a biased piston drivingly displaceable within the cylinder body and engageable with the cam member such that rotation of the cam member corresponds to reciprocating movement of the...

20060083637 - Pumping system with progressive cavity pump: Pumping system comprising: a progressive cavity pump comprising a helical rotor inside a helical cavity of an outer stator; motor means for driving the rotor, with a motor shaft coaxial to the axis of the stator cavity; and an intermediate shaft coupled, at its ends, by respective couplings, to the...

20060083638 - Self-priming positive displacement constant flow high capacity pump: A rotary action, self-priming positive displacement constant flow high capactity fluid pump is described. None of the pump parts touch in the pump chamber to minimize pump wear allowing for extended pump live. Since there are no touching parts in the pump chamber, the pump can be operated dry without...

20060083639 - Pdms valve-less micro pump structure and method for producing the same: A PDMS valve-less micro pump structure includes a PDMS body having a contour surface, a membrane covering the contour surface of the PDMS body, and a PZT actuator located on the membrane. The contour surface of the PDMS body to be sealed by the membrane and the PZT actuator has...

20060083640 - Energy dissipation valves for hydraulic cylinders: A hydraulic actuator comprises a cylinder, a piston reciprocatingly received within the cylinder, a piston rod connected to the piston and a pressure release mechanism which allows hydraulic fluid to pass from a first side of the piston to a second side of the piston when the actuator encounters shock...

20060083641 - Energy dissipation valves for hydraulic cylinders: A hydraulic actuator comprises a cylinder, a piston reciprocatingly received within the cylinder, a piston rod connected to the piston and a pressure release mechanism which allows hydraulic fluid to pass from a first side of the piston to a second side of the piston when the actuator encounters shock...

20060083643 - Pump: A pump includes a case, a base disposed in the case and a rotor. The rotor includes a magnetic extension portion which surrounds a yoke. The pump gains efficiency in view of the above without increasing volume. Furthermore, the pump includes a first magnet and a second magnet, positioned on...

20060083642 - Rotor stability of a rotary pump: A rotary pump including an impeller rotatable within a housing. A load is imposed on the impeller as it rotates, in a direction that is substantially parallel to the axis of rotation and wherein the load stabilises the motion of the impeller. The load may be achieved by magnetically biasing...

20060083644 - Dynamically tensioned peristaltic tubing pump: An improved peristaltic pump whereby the elastomeric tubing communicates with the peristaltic pump in a way that allows for axial movement of the tubing thereby extending the flex life of the pump tubing. A tubing element is fitted with a flange that allows tension to be applied to the tubing...

20060083646 - Cyclonic debris removal device and method for a pumping apparatus: A pumping apparatus and method incorporates at least one and preferably as many as four components that are configured to improve debris removal capabilities as compared to prior art apparatuses. The apparatus and method impart cyclonic motion to pumped fluid, in a manner that tends to separate entrained solids and...

20060083645 - Downhole pump: An apparatus and method for pumping from a well. A pump includes a piston assembly reciprocably engaged in a cylinder assembly. Pressure applied to a column of fluid above the pump causes a pump chamber to fill with fluid. A spring mechanism coupled to an anchor point above the piston...

20060083647 - System and method for reducing noise in multi-capacity compressors: A method and system is provided for reducing chatter in multi-capacity compressors having disengageable eccentric structures. The multi-capacity fluid compressor includes a compression chamber having a discharge end and an inner surface. The compressor also includes a compression member having a disengageable eccentric structure allowing the compressor to provide discrete...

20060078433 - Sputter ion pump and manufacturing method therefor and image display device with sputter ion pump: A sputter ion pump comprises a metal pump container. In the pump container are arranged a cathode and an anode opposed to each other in the pump container and a permanent magnet situated between the cathode and the inner surface of the pump container. After locating the anode, cathode, and...

20060078434 - Thermal actuation pump: A simple structured thermal actuation pump for reducing energy loss is provided. The thermal actuation pump includes: a first chamber having at least one working fluid inlet and at least one working fluid outlet; a second chamber having at least one working fluid inlet and at least one working fluid...

20060078435 - Pump monitoring system: A plurality of pump related monitoring devices can communicate wirelessly with displaced user circuits. The user circuits can in turn acquire data via a respective monitoring device associated with a pump, pump control system, pump motor, backup batteries and the like all without limitations. If desired, the user circuits can...

20060078436 - Pump or turbine drive unit comprising such a pump or turbine and outboard motor: A pump or turbine is disclosed which includes a housing provided with at least one chamber, a rotor, which is rotatably mounted on a shaft in the chamber, an inlet, which communicates with the chamber at least at the location of the shaft, and an outlet channel, which communicates with...

20060078437 - Drive device for driving an oil pump: A drive device for driving an oil pump (12) using a drive element (3), the oil pump (12) and the drive element (3) comprising axes (13, 8) that are arranged parallel to and offset from each other. It is suggested that the drive element (3) comprises an internal gear (11)...

20060078438 - Compressor assembly having counter rotating motor and compressor shafts: A compressor assembly includes a compressor coupled to a motor via a belt drive. The belt drive provides a speed reduction between the motor and compressor and causes the compressor shaft to rotate in the direction opposite that of the motor shaft. The relative values of the mass moments of...

20060078439 - Control device for an engine mounted on top of an air compressor: A control device for an air compressor includes a pressure control device having a pressure release valve adapted to be operably connected to the compressor, a fuel valve connectable to the engine and a three-way valve sandwiched between the pressure release valve and the compressor, a switching device having a...

20060078440 - Compressor: An object is to provide a highly efficient compressor while improving a refrigerant leakage, enhancing a performance of a compressor, improving durability, and enhancing reliability. The compressor comprises: a compression element comprising a cylinder in which a compression space is constituted; a suction port and a discharge port which communicate...

20060078441 - Compressor: An object is to provide a highly efficient compressor at a low cost while reducing sliding losses of a vane and inhibiting a leakage from the vane and a compression member to improve a workability of the vane. The compressor comprises: the compression member whose upper surface (one surface) crossing...

20060078442 - Compressor: An object is to provide a compressor in which durability of a compression member is improved, reliability of the compressor is enhanced, and a satisfactory sliding property can be secured even in a case where a compression element is non-lubricated, the compressor comprises: the compression element comprising a cylinder in...

20060078443 - Linear compressor: Disclosed herein is a linear compressor. In the present invention, an initial value control nut for controlling an initial position of a piston and a releasing protection nut for preventing the initial value control nut from releasing are combined in a bolt of a stator cover as a double nut...

20060078446 - Delivery unit: The invention relates to a delivery unit for delivering fuel in a motor vehicle. The invention is characterized in that a plastic casing (11) of a rotor (10) of an electric motor (1) is configured as one piece with a bush (13). A housing part (5) of a delivery pump...

20060078447 - Electric water pump rotating in the correct direction: The said electric water pump has a correct design in relations of geometrical parameters between the volume of said chamber (3) and the volume of said impeller (42) rotating inside said chamber (3), thus making it possible to install the single-phase synchronous or asynchronous motors, which are simple in structure...

20060078444 - Liquid-cooled pump control device and fluid pump assembly: In a pump control device (1, 1′) comprising a casing (2, 3; 2′, 3′) and a speed controller (20), in particular a frequency converter, arranged in the casing for controlling the rotational speed of an electric drive motor (103; 103′) of a fluid pump (100; 100′), the casing includes a...

20060078445 - Dual drive for hydraulic pump and air boost compressor: A dual drive system for a hydraulic pump and an air boost compressor is provided. Reversible power is transmitted to a shaft connected to clockwise and counterclockwise over-running clutches connected to different vehicle or equipment subsystems. Reversing the drive allows power to be alternately transmitted to one or the other...

20060078448 - Phacoemulsification machine with post-occlusion surge control system and related method: A post-occlusion surge controller 90 for a phacoemulsification machine 30 is adapted to detect a post-occlusion surge in an aspiration conduit 41 of the machine 30, and to cause the conduit 41 to be vented in response to detecting the surge....

20060078449 - Inflator with inflation and deflation effects: An inflator with inflation and deflation effects. The inflator includes: a cylinder body in which a piston is fitted for compressing the gas in a compression room formed in the cylinder body between the piston and the front end of the cylinder body; a piston rod having an internal gas...

20060073023 - Integrated electromagnetic pump and power supply module: A module in accordance with the present invention includes at least one electromagnetic pump and a power supply circuit for the electromagnetic pump. The tight coupling between the pump and its power supply afford more easily driving the pump with a low voltage, high current output of the power supply,...

20060073024 - Series gated secondary loop power supply configuration for electromagnetic pump and integral combination thereof: A power supply circuit for an electromagnetic pump includes a switched secondary loop circuit to provide the electromagnetic pump with a low voltage, high current output. In some embodiments, the power supply circuit includes a transformer having a core, a primary coil having first and second terminals, and at least...

20060073025 - Double disc pump with fixed housing block: A double disc pump includes a stationary main pump housing block that can remain fixed to its supporting frame while all other parts of the pump are removed for servicing. This permits disassembly of the pump without disconnecting the inlet or outlet plumbing and is provided by a pump housing...

20060073026 - Oil balance system and method for compressors connected in series: A compressor system includes a first compressor, which has a first low side oil sump, in a first shell and a second compressor, which has a second low side oil sump, in a second shell. The first and second compressors are connected in series. There is an oil transfer conduit...

20060073027 - Vane pump: A vane pump of the present invention is provided with a bearing convex portion (20) disposed in such a way to be raised from the bottom of a concave portion (13) of a cover (60) to form a bearing hole (25) and fitted into a central bore (27) of a...

20060073028 - Compressor sound suppression: A compressor includes a housing and one or more working elements. A muffler is located downstream of the discharge plenum. A centerbody is located in the discharge plenum upstream of the muffler spanning a major portion of a length between a bearing case and the muffler....

20060073029 - Fuel feed apparatus having pump and stay: A fuel feed apparatus includes a flange, a fuel pump, and a stay. The flange covers an opening of a fuel tank. The fuel pump is accommodated in the fuel tank. The fuel pump pumps fuel in the fuel tank to the outside of the fuel tank. The stay has...

20060073030 - Integral motor cooling and compressor inlet: A compressed air unit is provided having a motor housing with a main motor housing having a cavity. A motor is arranged within the cavity and a compressor rotor is connected to the motor. A cooling duct is integral with and extends from the main housing body. The cooling duct...

20060073034 - Compressor: A compressor is provided which enables easy installation of the filter even when any refrigerant suction passage cannot be provided on a cylinder side of a compression element or even when any long suction passage cannot be provided. The compressor comprises, in a sealed container 12, a drive element 14,...

20060073031 - Low input torque rotor for vane pump: A vane-type fluid displacement unit having a housing, a drive shaft extending through the housing, a rotor secured to the drive shaft and disposed within the housing, the rotor having at least one non-smooth top or bottom surface, and at least one vane secured to the rotor....

20060073033 - Portable, rotary vane vacuum pump with removable oil reservoir cartridge: A portable, rotary vane vacuum pump with a rotor eccentrically mounted within the bore of a housing to substantially abut the bore at a side location. The abutting, side location is between the inlet and outlet passages of the bore in the direction of rotor rotation. A pocket is then...

20060073032 - Progressing cavity pump with dual material stator: A progressing cavity pump including a rotor and a stator having an inlet and an outlet. The rotor is rotationally disposed inside of the stator such that rotation of the rotor causes fluid in the pump to be pumped from the inlet toward the outlet in a downstream direction. The...

20060073035 - Deformable polymer membranes: Embodiments of the present invention provide microfluidic devices containing deformable polymer membranes. The devices can be fabricated from a single polymeric block. Actuation of the membranes within the device allows the fluid contained within a microfluidic channel to be manipulated. Exemplary microfluidic devices, such as, peristaltic pumps, sample sorters, and...

20060073036 - Pump assembly and fluid metering unit: Apparatus for a pump assembly and a fluid metering unit. The pump assembly can include a diaphragm with a portion of a body being molded over a portion of each one of a plurality of pistons. The pump assembly can include a wobble plate, a lower housing, and a spring...

20060073037 - Amplifier assembly: The invention concerns a pressure amplifier that includes a low pressure inlet for supplying a medium at low pressure, a low pressure piston with a first operational area and at least one high pressure piston with a second operational area, the second area being smaller than the first area, and...

20060073038 - Cam arrangement and fuel pump arrangement incorporating a cam arrangement: A cam arrangement for use with a high pressure fuel pump arrangement for delivering fuel to an associated engine, the cam arrangement including at least two cams (28) that are mounted, in use, upon an engine camshaft and each of which is arranged to drive a respective pumping plunger (16)...

20060073039 - Linear oscillating pressurizing device: A linear oscillating pressurizing includes a main body having an air outlet end and an air outlet valve, two electromagnetic elements disposed in the main body, a piston element disposed between the two electromagnetic elements, which has an air inlet valve disposed thereon, and a control circuit to generate oscillating...

20060073040 - Air pump for an inflatable product: A dry cell air pump that provides in excess of ten inches water column in pressure. A motor is used that draws fewer amps than prior art motors, yet operates at higher revolutions per minute. The small motor is capable of providing a high speed of rotation with relatively low...

20060073042 - Bearing systems for electric machines: A rotor assembly for an electric machine includes a rotatable shaft, a rotor core coupled to the shaft for common rotation, and an impeller coupled to the shaft for common rotation. A bearing is coupled to the shaft generally between the rotor core and the impeller. The bearing can include...

20060073046 - Adjustable flat-type cooling device: An adjustable flat-type cooling device includes a flat-type cooling fan assembly, two X-directional adjusting feet symmetrically located at two lateral sides of the cooling fan assembly, and two Y-directional supporting feet slidably received in each of the two X-directional adjusting feet. The X-directional adjusting feet and the Y-directional supporting feet...

20060073045 - Bidirectional air pump: A bidirectional air pump to selectively inflate or deflate an inflatable object has a housing, a pump assembly and a motor. The housing has a controller cover, a pump cover, and a motor cover. The pump assembly is mounted inside the housing and has a centrifugal pump, a binary supply/discharge...

20060073044 - Car window circulator fan driven by solar generator: A solar circulator and converter which is driven by a solar generator; the fan or impeller is mounted in an impeller housing. On the surface opposite the impeller housing is a solar panel with mounting elements which can be affixed or mounted on such things as car windows. The impeller...

20060073043 - Fan device for removing heat from heat sources: A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a side of the casing. The fan unit includes a first...

20060073041 - Temperature controlled high pressure pump: A system for cooling the bearings and motor in a pump assembly used for circulating supercritical fluid is disclosed. The system uses a pressurized coolant fluid that can be substantially pure CO2. The pressure difference between the circulating supercritical fluid and the coolant fluid is minimized to prevent cross-contamination of...

20060073047 - Method for estimating drive torque of variable displacement compressor and system for controlling drive source rotation speed: The value of an estimated drive torque is prevented from greatly differing from an actual drive torque of a variable displacement compressor immediately after a refrigerating cycle is started. A first estimated drive torque that is calculated based on a physical quantity other than the pressure of a refrigerant and...

20060073048 - Surgical tool system with integrated pump: A tool system for both powering a handpiece and operating an irrigation pump. The pump includes a fixed pump head driven by a pump motor and a removable tube set. A readable memory such as RFID is integral with the tube set. The tube set memory contains data describing the...

20060073049 - Jump force vacuum booster: The invention provides a method and apparatus wherein the apparatus includes a housing having a first end and a second end. The housing also includes a first aperture and a second aperture. The first aperture is positioned to communicate with a first fluid source at a first pressure. The second...