Pumps inventions 05/06

20060110258 - Air compressor: A control circuit portion in an air compressor finds the rate of decrease of pressure inside a tank portion when a motor is at rest relative to the time based on a detection signal from a pressure sensor. Where the rate of decrease of pressure is greater than a given...

20060110259 - System for adjusting resonance frequencies in a linear compressor: A system for adjusting resonant frequencies in a linear compressor comprising, in the interior of a shell: a linear motor: a cylinder; a piston reciprocating inside the cylinder; and an actuating means operatively coupling the piston to the linear motor, said system comprising: a detecting means to detect a load...

20060110260 - Device of micro vortex for ferrofluid power generator: A ferrofluid power generator with micro vortex generator is disclosed, which is capable of generating an induced current by enabling a ferrofluid having a plurality of magnetic particles to flow in a closed circuit, the device comprising a vortex generator and a induced current unit. The vortex generator further comprises...

20060110261 - Pump system with vacuum source: A self priming pump system that includes a motor coupled to a centrifugal pump for driving the centrifugal pump. A separator having a reservoir is provided for storing a limited amount of pumped fluid in advance of the centrifugal pump. A vacuum source provides a vacuum suction to the reservoir...

20060110262 - Device of micro loop thermosyphon for ferrofluid power generator: The present invention provides a micro loop thermosyphon cooler, having a thermal absorption unit and a condenser sequentially arranged therein, wherein the condenser is arranged at a position higher than that of the thermal absorption unit by a height. The thermal absorption unit further comprises a microchannel system formed by...

20060110263 - Compressor: A compressor capable of reducing operational noise thereof through the use of a low-speed motor without a deterioration of compressive capability. The compressor comprises a hermetic casing, a compressing unit having a compression chamber to compress a refrigerant, a drive unit taking the form of a low-speed motor having four...

20060110264 - Compressor: A compressor used in a refrigerating cycle is provided as a miniaturized and lightweight unit at low production cost by selecting an optimal material to constitute components or by forming the housing in a specific shape so as to allow the components to have smaller wall thicknesses while assuring sufficient...

20060110265 - Pump and cleaning apparatus comprising said pump: A pump comprises a plurality of pistons movable in a direction, a swash plate arrangement forming an angle with said direction so as to reciprocate said plurality of pistons in said direction and an elastic element interacting with said swash plate arrangement to enable said angle to be modified. Between...

20060110266 - Compressor provided with an oil separator: A compressor comprises a compressing device, an outlet chamber, a centrifugal separator for separating lubricating oil from refrigerant gas discharged from the compressing device into the outlet chamber and a casing for accommodating the compressing device, the outlet chamber and the centrifugal separator. A lubricating oil separator assembly comprising a...

20060110267 - Air blower: An air blower has a left cover, a right cover, a vented disk, an impeller and a motor. The motor is mounted at the same side with an air inlet. The vented disk is mounted on the right cover by multiple first screws, and the left cover is combined with...

20060110268 - Diaphragm pump: The invention relates to a diaphragm pump for pumping aggressive and/or abrasive media, such as slurries, comprising a diaphragm housing mounted in a substantially vertically disposed pipe system, which substantially vertically disposed pipe system comprises at least one inlet and at least one outlet positioned some distance above the inlet,...

20060110269 - Discharge tube of a hermetic compressor: A mounting arrangement for a discharge tube of a hermetic compressor of the type which comprises: a hermetic shell (1) presenting a gas outlet (1a) and lodging a cylinder block (10) in which is affixed, through screws (8a), a cylinder head (8) defining, internally, a gas discharge chamber, and a...

20060110270 - Rotation shaft, feeding device, motor and manufacturing method for rotation shaft: A rotation shaft includes a spiral groove for feeding which is formed on the outer peripheral face of the rotation shaft and a plurality of fine recessed parts which is formed on a flank surface of the spiral groove. The rotation shaft may be manufactured by a spiral groove forming...

20060110272 - Venturi fan: A venturi-type fan is composed of a wire basket between front and rear flares. The wire basket has a rear portion to which the motor and fan blade assembly is mounted. The rear flare controls the admission of air into the fan to reduce turbulence and allows the flow of...

20060110271 - Foil shield for a vacuum pump with a high-speed rotor: A foil shield for covering at least one opening of a suction flange of a vacuum pump includes at least one member formed of a material having a relative permeability μr greater than 1,000....

20060110273 - Fuel pump with a guided tappet assembly and methods for guiding and assembly: A fuel pump for an internal combustion engine including a fuel pump housing, a cylindrical bore having a central axis and being defined by a bore wall surface, a receiving hole formed in the housing, and a tappet assembly received in the cylinder bore. The tappet assembly includes an outer...

20060110274 - Pump device: In a pumping apparatus (1) with a peristaltic drive device (3) for pumping a medium through a line (4) having at least one compressible portion, containing a one-piece shaft (10) with cams arranged so as to be offset with respect to one another and with attached lamellae (14), positive guidance...

20060110275 - Combination assembly for managing a hose or like elastic pump tube in a positive displacement pump: A combination assembly is disclosed for managing a hose or like elastic pump tube or pump channel such that particularly is used in a peristaltic pump. The invention is characterized by having the pump equipped with an assembly for the adjustment of the pump pressure and/or compression imposed on the...

20060110276 - Radial piston fuel supply pump: An hydraulic head features two, three, or four 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. The piston shoe or foot smoothly enlarges from the piston stem, thereby avoiding...

20060104822 - Fan motor with digital controller for applying substantially constant driving current: An improved fan arrangement features a radial or diagonal fan (370) with which a direct current motor (32) is associated as its drive motor, further comprising a digital control element (23, 24) which executes a program, for controlling the current flowing through the direct current motor (32), which program is...

20060104823 - Hydraulic pump with variable flow and variable pressure and electric control: A pump system including a control system for controlling a variable flow pump for controlling oil flow and oil pressure in a hydraulic circuit in an engine. The system includes a pump member, an actuating member capable of controlling the flow generated by the pump member, and a solenoid valve...

20060104824 - Detecting medical conditions with noninvasive body probes: A method and apparatus for improving the diagnostic performance of a probe system (30) for detecting a medical condition in a patient by sensing volume changes in a monitored body part due to pulsatile arterial blood flow in the body part, characterized in calibrating the probe system (30) for the...

20060104825 - Air compressor: An air compressor includes a frame connected with an air tank connected with a compressor assembly. The frame is further connected with a handle which is connected with a basket for the storing of accessories used with the air compressor. The basket is configured in relation to the dimensions of...

20060104826 - High-pressure pump with a device for regulating the flow rate for a fuel-injection system: The high-pressure pump (7) comprises a number of pumping elements (18) actuated in reciprocating motion through corresponding suction and delivery strokes. Each pumping element (18) is provided with a corresponding intake valve (25) in communication with an intake pipe (10) supplied by a low-pressure pump (9). Set on the intake...

20060104827 - Method and apparatus for pumping and diluting a sample: A pumping apparatus (50) which isolates a sample (52) from a pump (72), thereby circumventing the so-called “memory effect” problem. The sample is pumped into an intermediary, or buffer region (64) using a first pump (54). The sample is displaced from this buffer region by pumping a second fluid (74)...

20060104828 - Radial plunger pump and method for manufacturing pump housing: A pump housing supporting a driving shaft has a plurality of cylinder bores extending radially and arranged at substantially regular intervals around an outer periphery of the driving shaft. Each cylinder bore has a plunger fitted therein, which reciprocates in response to a rotation of the driving shaft. An inlet,...

20060104829 - Control system for an air operated diaphragm pump: The present invention includes methods and apparatuses for operating and controlling AOD pumps....

20060104830 - Elastomeric base for pressure vessels: An elastomeric base for a pressure vessel is configured to be adhesively secured to the bottom of the vessel in order to eliminate the problems caused by welding of steel legs. The base includes a surface configured to correspond with a curved surface of the compressor vessel. Advantageously, the base...

20060104832 - Integrated turbocharger lubricant filter system: An exemplary center housing for a turbocharger includes a filter well for receiving a lubricant filter unit. An exemplary filter unit, for attachment to a center housing of a turbocharger, includes an attachment mechanism to attach the filter unit to the center housing, a filter for filtering lubricant and a...

20060104831 - Method and system for cooling a pump: A processing system utilizing a supercritical fluid for treating a substrate is described as having a pump for recirculating the supercritical fluid over the substrate. For various applications in supercritical fluid processing, the fluid temperature for the treatment process can elevate above the temperature acceptable for safe operation of the...

20060104833 - Fan guard having channel to direct cooling air to a piston cylinder: A pump includes a housing, a shaft supported by the housing, a piston assembly, a fan blade, and a fan guard. The piston assembly includes a piston cylinder and is operably coupled to the shaft. The fan blade is operable to generate cooling flow. The fan guard is mounted to...

20060104834 - Air compressor enclosed in shroud having tab isolator: The present invention is directed to an air compressor enclosed in a shroud with plastic tab isolators. In an exemplary aspect of the present invention, an air compressor may include an air tank for containing air at an elevated pressure, and a shroud for enclosing the air tank. The shroud...

20060104835 - Portable air compressor tool carrier: The present invention is directed to a portable air compressor assembly including a tool carrier. In an embodiment, the portable air compressor assembly includes an air tank for storing compressed air and a compressor for supplying compressed air to the air tank. Further, a frame is coupled to the air...

20060104836 - Cordless compressor: The present invention is directed to a cordless air compressor. In an embodiment of the present invention, an air compressor includes a pump for generating a supply of compressed air. A motor is coupled to the compressor pump in order to provide mechanical energy sufficient to generate the supply of...

20060104837 - Air compressor shroud assembly: The present invention generally relates to the field of air compressors and particularly to a shroud assembly for use with air compressors. An aspect of the present invention is directed to a shroud assembly having an outfit shroud, including a top outfit shroud coupled with a bottom outfit shroud; and,...

20060104838 - Integrated eccentric flywheel oil slinger: An integrated eccentric flywheel oil slinger for an oil lubricated compressor crankcase. In an exemplary embodiment, the integrated eccentric flywheel oil slinger includes a generally cylindrical main body being configured to provide oil to components of the compressor crankcase and to reduce vibrations caused by such components. The generally cylindrical...

20060104839 - Air compressor including a disk oil slinger assembly: A “splash” lubrication system having an oil slinger capable of providing an increased flow rate of lubricating and cooling oil to lubricated components of the system compared to conventional dip stick oil slingers while reducing oil atomization and oil loss through the crankcase vent is disclosed. In embodiments of the...

20060104840 - Electric motor pump for swimming pool maintenance: The invention concerns a dual pump, comprising an electric motor (18) including a drive shaft, the shaft including, at each of its axial ends, a shaft output (21, 22), and two pump impellers, each shaft output driving a respective pump impeller, one first of the pump impellers (23) operating at...

20060104841 - Pump stabilizer and method: A vertically-disposed pump shaft is supported by an upward force against the pump shaft during periods of non use of the pump thereby off-loading bearings normally supportive of the shaft to prevent damage thereto when the pump is moved. Additionally, a lateral support is provided at a lower end of...

20060104842 - Pump unit: There is provided a pump unit including: a pump shaft operatively connected to a driving source; a cylinder block rotatably driven by the pump shaft; a piston unit accommodated in the cylinder block in a slidable manner in an axial direction; a movable swash plate oscillatable on an operational axis...

20060104843 - High pressure fuel pump: An oil seal is engaged with a small diameter portion of a plunger. Thus, even when a diameter of a large diameter portion of the plunger and a diameter of the cylinder are increased, a modification of a design of the oil seal, which is engaged with the small diameter...

20060104844 - Multip-stage piston type compressor: The aim of the invention is to guarantee a high level of impermeability with a low closing force for the sealing elements. To achieve this, the overflow channel (19) in the valve piston (9) opens into at least two passages (26, 27) and the sealing plate of the overflow check...

20060099081 - Method and apparatus for controlling hydraulic pump for working machine of working vehicle: A hydraulic pump displacement control apparatus for a working vehicle capable of reliably detecting the working vehicle under excavating operation and reducing loss in power is provided. For this purpose, the control apparatus includes a bottom pressure detector (45) for detecting a hydraulic pressure in a bottom side (13A) of...

20060099082 - Multi-speed dual fan module system for engine cooling applications: A dual fan module system 28 includes a two-speed electric motor 12 for operating a first fan 36, a one-speed electric motor 14 for operating a second fan 38, and switching structure K1, K2, K3, and K4 constructed and arranged to operate the system at more than two different speeds....

20060099083 - Dry pumps: A dry pump apparatus comprises; a pumping mechanism, a controller for controlling the operation of the pumping mechanism, and a sensor for sensing the operating temperature of the pumping mechanism. The controller is configured to carry out an automated shutdown sequence involving the following steps; a) ceasing operation of the...

20060099084 - Electric blower: The present invention provides an electric blower that performs: measuring an amount of airflow against a fan rotation speed of the blower with a load magnitude detected previously; determining an empirical formula to calculate a fan rotation speed to discharge an amount of target airflow in response to the magnitude...

20060099085 - Plant for producing compressed gas and method for using said plant: Methods and apparatus for producing a compressed fluid. Compressors are connected to a compressed fluid network and to a power source. The compressed fluid network's pressure is monitored by a pressure sensor. Depending on observed pressure of the compressed fluid network, the compressors are either switched on, off, or set...

20060099086 - Compressor: It provides at a low price a compressor capable of preventing a waste oil pipe from falling off and curbing leakage of lubricating oil and oscillation of the pipe. An L-shaped waste oil pipe 8 for returning lubricating oil 20 to a bottom of a motor chamber 22 is connected...

20060099087 - Double-acting, duplex pump controlled by two, two position spool valves: The present invention provides a fluid control system and associated methods. The fluid control system includes a source of a pressurized fluid and a first spool valve having at least two positions, wherein the first spool valve is connected in fluid communication with the source of the pressurized fluid. The...

20060099088 - Dosing device: A dosing mechanism for fuels, particularly for the input into a chemical reformer to obtain hydrogen, has a metering-in device for metering fuel into a supply line, which opens out at at least one dosing aperture into a transporting line transporting a tempered material flow. A holding device for accommodating...

20060099089 - Liquid-cooled pump: The invention relates to a liquid-cooled pump, including a top cover, a hub, a base, a driving element and a bottom cover. The base is divided into a top space and a bottom space therein by a partition seat. The hub is disposed in the top space and the driving...

20060099090 - Internal leakage control and venting for abs unit: A housing block for a hydraulic unit of a vehicle brake system that retaining a piston pump and an eccentric element that rotates the piston. A motor drives the eccentric element within an eccentric chamber. The block has a cylindrical cavity within a hydraulic leakage reservoir and a fluid leakage...

20060099091 - Discharge valve assembly of reciprocating compressor: A discharge valve assembly of a reciprocating compressor comprises: a discharge valve for opening or closing a compression space for compressing a refrigerant in a cylinder; a valve spring for elastically supporting the discharge valve as its one end is connected to the discharge valve; a discharge cover provided with...

20060099092 - Hot swap fan module: A hot swap fan includes a fan and a puller structure. The puller structure covers a side surface of the fan. The puller structure includes a base, a holder, and a fixing structure. A first end of the base is pivoted to the fan. The holder and the fixing structure...

20060099095 - Electric machine arrangement: The electric machine comprises a rotor configured and disposed to be attached at the free end of a shaft of another device, which free end is adjacent to at least one bearing coaxially mounted around the shaft and positioned intermediate opposite radial sides of the rotor....

20060099093 - Flow control valve and method: A flow control valve includes a body having a fluid passageway therethrough and first and second openings each adapted for receiving or discharging fluid from the passageway. A piston is slidably disposed in the passageway between the first and second openings of the body. The piston has a conduit portion...

20060099094 - Vacuum pumping arrangement and method of operating same: A vacuum pumping arrangement (10) for controlling pressure in a chamber, the arrangement comprising a molecular pumping mechanism (12) and a backing pumping mechanism (14). The backing pumping mechanism (14) is rotatable by a motor (34), the motor being arranged to rotate the molecular pumping mechanism (12) simultaneously with the...

20060093487 - Pneumatic device for continuously varying the pressure of compressed air: A pneumatic device for continuously varying the pressure of compressed air for feeding pneumatic actuators, comprising a pressure regulation device, which is adapted to receive in input an unregulated pressure line and to provide in output a regulated pressure; an error amplifier, which is adapted to drive an actuation device,...

20060093488 - Method and apparatus for controlling multi-fluid flow in a micro channel: A method and apparatus for controlling multi-fluid flow in a micro channel is disclosed. The apparatus has a first inlet for a first fluid; a second inlet for a second fluid; a first outlet; and a second outlet. The micro channel is operatively and fluidically connected to the first inlet,...

20060093489 - Compressor with rotating handle: An air compressor assembly including a rotatable handle that provides protection and structure for transporting the apparatus. The apparatus further includes a plurality of air tanks each of which are configured to be removable and replaced when necessary....

20060093490 - High-pressure pump for a fuel injection system of an internal combustion engine: A high-pressure pump having a drive shaft and at least one pump element including a pump piston driven in a reciprocating motion by the drive shaft. A ring on which the pump piston is braced via a support element is rotatably supported on a portion of the drive shaft that...

20060093491 - Portable demonstration apparatus and method for the comparison of lubricants and/or lubricant additives: A portable apparatus and method for demonstrating different characteristics of different fluids that includes different fluid sumps or chambers for receiving samples of the different fluids. A test shaft having different portions that are immersed in the different fluid samples in the chambers is driven by an electric drive motor...

20060093492 - Sump pump container: The present invention relates to novel oblong, preferably bilobular, sump containers or reservoir housings for containing sump pump stands and two or more sump pumps, which containers are more narrow, side-to-side, than conventional circular, frustroconical larger volume sump containers, and only slightly longer or wider lengthwise than such conventional standard-size...

20060093493 - Fluid injection method and apparatus and display panel: A fluid supply apparatus for feeding a fluid to two faces relatively moving in clearance direction is disposed, a continuous flow supplied from the fluid supply apparatus is converted to an intermittent flow by utilizing pressure change caused by fluctuation of a clearance space of the relative moving faces, and...

20060093494 - Rotary hermetic compressor and refrigeration cycle system: A vane of a first cylinder is compressed and urged by a spring member. A vane of a second cylinder is compressed and urged corresponding to a differential pressure between an intra-casing pressure guided into a vane chamber and a suction pressure or discharge pressure guided to the cylinder chamber....

20060093497 - Compressor: Disclosed herein is a compressor in which a coil weight is wound plural times on a highly vibrational portion of a discharge pipe to increase the mass of the highly vibrational portion, thereby enabling a vibrating frequency of the discharge pipe to be adjusted to a desired value. With this...

20060093495 - Linear compressor: Disclosed herein is a linear compressor having a stator cover, which is designed in such a fashion that a section of the stator cover not to be fastened with bolts has a curvature smaller than the remaining section thereof to be fastened with the bolt so as to be reduced...

20060093496 - Linear compressor: Disclosed herein is a linear compressor, which is designed in such a fashion that oil is suctioned into a space between a cylinder and a piston by a low pressure produced between the cylinder and the piston when the piston moves backward, and then is discharged to the outside by...

20060093498 - Linear compressor: Disclosed herein is a linear compressor in which a bonding position of a muffler can be accurately determined when the muffler is bonded to a fixing plate so that a center axis of a discharge spring casing formed at the muffler accurately coincides with a center axis of an insertion...

20060093500 - Blower: A blower has an air channel housing that defines an air channel therein, the air channel housing having an air outlet extending therefrom. A plurality of air blades are positioned inside the air channel housing, and positioned horizontally with respect to a surface on which the blower is supported. A...

20060093499 - Centrifugal blower: A centrifugal blower includes a housing, an impeller, and a guiding cover. The housing includes a compartment delimited by an annular wall. A radial air inlet is defined in the annular wall and communicated with the compartment. The compartment includes an axial opening. The impeller is rotatably mounted in the...

20060093502 - Liquid pump: A liquid pump is proposed, in particular for household machines, such as dishwashers, washing machines or the like, with a pump casing (1), with a pump casing (1) incorporating a pump chamber (2), in which an impeller (3) is rotatably mounted, and with a drive motor (4) comprising a rotor...

20060093501 - Suction port assembly of vacuum cleaner: A suction port assembly for a vacuum cleaner is provided which comprises a lower housing having first and second suction ports, an upper housing connected to the lower housing and thereby forming a connection path with the first and the second suction ports, and a noise reducing unit positioned along...