Abstract: A gear pump includes a pump body 22 which defines a cavity hole 72 which holds a separate cavity body. The cavity body defines channels and a pump cavity holding a pair of gears. An inlet and outlet are connected to the channels. The separate cavity body may be manufactured separately and only this component needs to be manufactured to very accurate tolerances.

Abstract: A disposable pump has a pump unit 4 engaging with a drive unit 6. The drive unit drives a piston 18. The pump has an internal chamber having a flexible wall which engages with the piston 18 to allow a snap fit. The pump unit 4 is manufactured out of only three mouldings, one being the flexible wall which forms in part the membrane or diaphragm of the pump, sandwiched between upper and lower units 50,70.

Abstract: A fuel pump has a pump chamber accommodating a rotor member. The rotor member is rotatable to supply fuel to from a tank to an exterior of the tank. A case is supported in the tank. The case accommodates a part of the fuel pump. A pump bracket is located in the tank. The pump bracket is in a tubular bottomed shape having a sidewall portion in which a remaining portion of the fuel pump is inserted such that the sidewall portion surrounds a radially outside of the pump chamber of the remaining portion. The pump bracket is joined with the case to define a gap therebetween in a radial direction of the rotor member such that the pump bracket is movable relative to the case.

Abstract: A system wherein cold water from near the sea floor is pumped through a primarily vertical pipe (12) to a body (14) floating at the sea surface so energy can be obtained from water temperature differences. A pump (50) located at the bottom of the pipe, is part of a pump module (46) that can be inserted and removed horizontally through a slot (44) in a bottom structure (22) lying at the bottom of the pipe. The top of the pipe is sealed to a movable pipe connector, by a U-shaped elastomeric seal (110). The pipe can include a short top pipe section (126) and a long bottom pipe section (127) of smaller diameter (D), whose upper portion can be pulled up through the top pipe section when the top pipe section is damaged.

Abstract: An immersion pump is provided, the pump having an integral housing with an inlet opening on an intake side, an outlet opening on a delivery side, a passage for electrical lines, an electronic unit for processing power and optionally information signals, an electric motor, a pressure chamber and a pump unit. The electronic unit, the electric motor, the pressure chamber and the pump unit may be pre-assembled to an insert, with the pre-assembled insert being supported on one end of the housing. An axial clamping and/or fastening system, in particular a tapered locking arrangement, is provided on the opposite end of the housing.

Abstract: A fuel pump for LPG (liquefied petroleum gas), may include a main bracket that may be mounted at a fuel tank, an integrated bracket that an end thereof may be fixed to the main bracket, the other end thereof may be extended to an inner side of the fuel tank, and the whole of the bracket may be integrally formed, and a pump unit that may be fixed to the other end of the integrated bracket with a space therebetween so as to pump liquefied fuel to an engine.

Abstract: A mounting and damping system for a compressor including a mounting lug removably coupled to at least a portion of a housing of the compressor and a damping member disposed therebetween. The mounting lug and the damping member include at least one aperture formed therein to receive a bushing therethrough, wherein an outer diameter of the bushing is substantially smaller than a diameter of the aperture formed in the mounting lug to militate against contact therebetween.

Abstract: A modular compressor assembly comprises a common motor assembly, an impeller, a blower housing and an engagement mechanism. The common motor assembly includes a stator housing containing a stator assembly and having a rotor magnet rotatably disposed therewithin. The impeller is mounted to and rotatable with the rotor magnet. The blower housing is selectable from among a plurality of blower housings each having a different cross-sectional geometry. The engagement mechanism is formed on the stator housing and/or the blower housing and allows interchangeable mounting of different blower housing configurations to the common motor assembly in order to achieve varying flow characteristics of the compressor assembly.

Abstract: A motor is fixed to a retaining member by bolts and well nuts. The well nuts are attached to the retaining member so that their flange portions are positioned between a motor fixing portion and the retaining member, and a clearance corresponding to thickness of the flanges of the well nuts is provided between the motor fixing portion and the retaining member. Heat-conductive elastic members are sandwiched between the motor fixing portion and the retaining member.

Abstract: A bore-hole pump formed of stainless steel comprises a head part and a foot part, between which one or more pump stages are incorporated. The foot part serves to connect the pump to a drive motor. The pump includes inlet openings for fluid to be delivered. The foot part consists of at least two components which are separated in one or more essentially radial planes and are formed with different manufacturing methods.

Abstract: An engine pump assembly (1), particularly a main coolant pump, composed of a housing (4) of a rotary pump with delivery elements arranged therein, a heat barrier part (6), a motor part (5) which drives the delivery elements, and force transmitting connecting elements (7) between a housing flange (8) of the housing (4) of the rotary pump and a flange (21) of the engine part (5). For faster and more reliable assembly and disassembly, the housing flange (8) is provided with receptacles (12) over at least half of its periphery for the arrangement of screw heads (13, 15) of the connecting elements (7), which screw heads (13, 15) are held in a bayonet-like manner in the receptacles (12).

Abstract: A brushless motor is incorporated in one of divided constituent members of a motor casing which is disassembled, and then, the divided constituent members of the motor casing which is disassembled are connected to each other into the motor casing assembled with machine screws screwed into machine screw holes. As this occurs, when a wiring of the brushless motor is held by a first stationary blade portion and a second stationary blade portion, the wiring is allowed to lead to an outside of an outer cylindrical portion through a gap defined between the first stationary blade portion and the second stationary blade portion.

Abstract: The motor-driven compressor is mounted on a first mounting of a vehicle. The motor-driven compressor includes a compressor body, a second mounting, a first spacer, a flexible conductor and a fastener. The compressor body is electrically powered to draw in fluid for compression and to discharge the compressed fluid. The second mounting is formed on the compressor body and has a mounting hole. The first spacer is made of a resin and interposed between the first mounting and the second mounting. The conductor is formed integrally with the first spacer for electrically connecting the first mounting and the second mounting. The fastener is made of a resin and inserted through the mounting hole of the second mounting for joining the first mounting and the second mounting.

Abstract: The invention relates to a fan, particularly for cooling an internal combustion engine of a vehicle, having an attachment unit, an electric drive motor, and a fan wheel rotating about the fan axis, wherein the attachment unit has a frame, from which bars protrude that cross through an air opening, said bars carrying an attachment element serving to attach the drive motor. The invention proposes that each of the bars (6) have a cross-sectional contour, wherein at least one cross bar (18) extending laterally in the direction of the fan axis (9) is configured between end regions (14, 15) of the bar (6) extending in the direction of the fan axis (9), defining a bar width (b).

Abstract: A mobile high-pressure cleaning device is provided with an underframe, on the upper side of which a storage section is arranged which forms a motor receptacle, into which a motor for driving a pump is inserted, wherein a holding section fixing the motor in the motor receptacle is placed onto the storage section and has a storage compartment for electric parts on its upper side. The holding section can be designed as a hollow body with a base member and a cover mounted on the base member, wherein the base member forms the storage compartment with a base wall engaging over the motor and side walls projecting upwards from it and wherein the cover is movable back and forth between a closed position and an open position and has at least one actuating member for an electric control element on its outer side.

Abstract: A multiplex fluid pump assembled from a plurality of pump bodies connected side by side between opposing end plates with a plurality of fasteners tightened to compress the pump bodies between the end plates. Raised surfaces on opposite exterior side surfaces of each pump body are engaged with an adjacent end plate or an adjacent pump body to apply a pre-compressive force at the raised surfaces and thereby inhibit the initiation of fatigue cracks.

Abstract: A membrane pump (1) has a pump housing, a membrane (4), which is mounted to the pump housing and delimits a pump chamber (8) inside the pump housing, an inlet (5) and an outlet (6) for feeding medium into and out from the pump chamber, and an actuating member (7) for moving the membrane back and forth between a first and a second position. The membrane, the inlet and the outlet are arranged in a first part (2) of the pump housing, the first part being detachably connected to a second part (3) of the pump housing, in which the actuating member is arranged. The membrane is detachably connected to the actuating member by a magnetic coupling, which has a first magnetic coupling part (9) fixed to the membrane and a corresponding second magnetic coupling part (10) fixed to the actuating member.

Abstract: A peristaltic pump for dispensing liquid includes a front casing portion, a rear casing snap-fitted together with the front casing portion, a rotor confined between the front casing portion and the rear casing portion, a plurality of rollers mounted in the rotor, and a flexible tube compressed at equally spaced intervals by the plurality of rollers. The pump is resistant to constant torques and vibrations caused by a machine to which it is attached so that the pump does not become loose and fall apart. In a first embodiment for low torque and low vibration operations, the pump is screwless. In a second embodiment for high torque and high vibration operations, two screws secure a synchronous gear motor to the pump.

Abstract: An exhaust fan has an annular exhaust duct, a fan wheel, and a drive motor inside the core of the exhaust duct, and not inside the annular passage for the exhaust fluid. The exhaust duct has a tubular window frame extending between the inner and outer walls of the exhaust duct and creating service windows for a worker to reach in an de-couple the driver motor from both a bracket for its mount and also from the fan wheel. Temporary locking mechanisms actuated from reaching through the service windows removably hold the fan wheel to the exhaust duct while the drive motor is de-coupled and removed. The exhaust fan further includes self-centering mechanical connections between the drive motor and fan wheel so that the fan wheel does not have to be removed to be re-balanced.

Abstract: A mounting structure for mounting a separate shaft type oil pump in a case of a transmission. The separate shaft type oil pump is driven by a shaft that is separate from and rotated in cooperation with a shaft arranged in a torque input route extending from an engine to the transmission to supply hydraulic oil to a transmission oil pressure control mechanism. The mounting structure includes a spacer coupler that fastens the oil pump to the transmission case. The spacer coupler includes a plurality of spacers that couple the oil pump and the transmission case. An oil passage is formed in the spacers of the spacer coupler to connect an oil pressure system, which includes the oil pressure control mechanism, and the oil pump. A manual shaft for operating the transmission is arranged in a clearance between the spacers of the spacer coupler.

Abstract: A pumping apparatus for pumping a liquid from a source to a target including a motor and pump driven by the motor. Sacrificial zinc components are utilized to minimize corrosion due to chlorine vapors. Measures to ensure that liquid is pumped in only one direction include the use of a full wave rectifier and/or a spacer incorporated with a swivel platform to limits the range of the angle between the motor shaft and the pump piston. To minimize the risk of rupturing the pump, the pump piston includes a relieved portion in fluid communication with a transverse bore of the pump housing when the piston is axially inserted within the pump housing in its full forward position. To prevent overheating and damage to the pump components, the pumping apparatus makes use of a positive temperature coefficient (PTC) resistor interposed between the motor and a current source.

Abstract: Provided is a canned motor to be coupled to a vacuum pump and used as a rotary driving source for the vacuum pump. The canned motor includes: a stator core; a rotor provided on an inner side of the stator core; and a non-conductive can provided between the stator core and the rotor. The non-conductive can is configured to separate the stator core and the rotor from each other. The non-conductive can is made of resin, ceramic, or composite material thereof. The non-conductive can is bonded to the stator core with an adhesive.

Abstract: A pump filter system for use with a submersible pump assembly including a base cup having an outer peripheral flange and an upwardly extending ring concentrically located within and spaced from the peripheral flange. A self-supporting, substantially uniformly perforated, tubular wall portion having a lower end coupled to the base cup outer peripheral flange and an upper end surrounding a pump discharge conduit connection. A tubular sleeve having a lower end contiguous with an upper portion of the pump body and an upper end projecting above the discharge conduit connection. A tapered coupling having a lower end connected to the perforated tubular wall upper end and an upper end connected to the tubular sleeve upper end, and a seal ring surrounding the discharge conduit connection and the tubular sleeve inner surface.

Abstract: A fan structure comprises a stator module and a fan frame, the stator module comprises a fixing plate, an insulating holder, and a stator core. The fixing plate has a first surface, an opposite second surface and at least one fixing portion formed on the second surface and having a first engaging portion. The insulating holder has a first side facing the second surface of the fixing plate, an opposite second side and at least one catching member formed on the first side and having a second engaging portion. The stator core is coupled to the insulating holder. The fan frame has a base, the base is located between the fixing plate and the insulating holder, wherein the first engaging portion of the fixing member is engaged with the second engaging portion of the catching member.

Abstract: A surface pump assembly having a thrust chamber with a telescoping shaft. In some embodiments, the surface pump assembly has a pump with a pump shaft, a thrust chamber with a telescoping shaft extending therein, the telescoping shaft extendable to engage the pump shaft and retractable to disengage the pump shaft, and a motor coupled to the telescoping shaft and operable to rotate the telescoping shaft. In some embodiments, the telescoping shaft has a rotatable shaft member, an adjusting nut threadably disposed thereabout, wherein the adjusting nut is moveable axially relative to the shaft member by rotation, and a first sleeve translatably disposed about the shaft member.

Abstract: A pump assembly is provided with a pump (6) having one or more pump stages (10), wherein at least one of the components (12, 14) of the pump assembly, whose axial length depends on the number of pump stages (10). On at least one of its axial ends, the component has no connection configuration which is formed in the component (12, 14) itself and which is limited to the axial end. Instead, it is connected at this axial end with a friction fit and/or a positive fit to a connection element (20) which is coupled and/or connected to adjacent parts of the pump assembly, or is provided for coupling to adjacent parts of the pump assembly.

Abstract: A method and system for pumping liquefied gas are provided. The system for pumping liquefied gas can includes a container having an access port with a central axis disposed at an upper end thereof, a pump disposed within the container, and at least one pipe segment having a first end and a second end. The pump can include a fluid inlet in fluid communication with a liquefied gas stored in the container and a fluid outlet. The first end of the pipe segment can be in fluid communication with the fluid outlet of the pump. The second end of the pipe segment can be in fluid communication with an exterior of the container. The pump can be capable of lifting the liquefied gas through the at least one pipe segment and discharging the liquefied gas from the container at a pressure sufficient for distribution or further processing.

Abstract: A pump insert of a vane-type pump having no dedicated housing, the insert being inserted in a gear housing.

Abstract: An embodiment of the present invention provides an apparatus and system for repairing and/or maintaining a position of a first component in relation to a second component. The first and second components may be located within a reactor pressure vessel of a nuclear powerplant. The apparatus and system may attach at least one bearing plate to a horizontal surface of the first component. The apparatus and system includes structure to apply a pre-load to the first component. This may assist in maintaining the position of the first component relative to the second component.

Abstract: A compression control unit for a compression device includes a mount on the back of a housing for mounting the compression control unit on a bed unit. The mount includes a securing portion spaced from a back of the housing and lying in a plane generally opposing the back of the housing. The securing portion partially defines a channel for receiving a part of the bed unit to secure the compression control unit to the bed unit. Spaced apart wing portions extend generally upward and laterally outward relative to the securing portion. The wing portions are configured so that fluid tubing secured to an outlet of the compression control unit can be wrapped around the wing portions when the compression control unit is mounted on the bed unit.

Abstract: An automatic discharge connection device of a submersible pump is provided, which includes a coupling member coupled to a discharge port of the submersible pump and a feed pipe that feeds water discharged from the submersible pump. A sealing member is installed in an annular concave portion formed on an inner circumference of the coupling member in such a way as to move left and right. When the submersible pump is actuated, the sealing member moves toward the feed pipe and an end portion of the sealing member enters the feed pipe. Accordingly, a space between the coupling member and the feed pipe is sealed to thereby prevent water leakage between the coupling member and the feed pipe.

Abstract: A dual pump fluid proportioner having an adjustable motor position comprises a mounting plate, first and second positive displacement pumps, first and second tie rods, a pump yoke and a motor. The first and second tie rods fixedly connect the first and second pumps to the mounting plate. The first and second pumps each have a pump shaft. The pump yoke slidably couples to the first and second tie rods and the pump shafts. The motor adjustably couples to the mounting plate and includes a drive shaft. The drive shaft extends from the motor, through the mounting plate to adjustably couple to the yoke.

Abstract: An electric air pump has a pumping assembly, an outer bracket and an inlet plate. The pumping assembly has a casing. The outer bracket is connected pivotally to the pumping assembly and has a faceplate mounted pivotally on an open top of the casing of the pumping assembly and selectively hermetically contacting a top annular edge of an open top of the casing. A locking hole is defined through the faceplate. The inlet plate is mounted securely in the casing, located between the casing and the outer bracket and has a resilient locking hook selectively hooking in the locking hole of the outer bracket. The electric air pump is capable of inflating and deflating an inflatable product without cooperating with external devices.

Abstract: A turbocharger is provided having a bearing housing (100) and a heat shield (200) staked thereto. The staking process can be a compression staking process that deforms one or more portions of the bearing housing (100). The bearing housing (100) can have an annular channel (150) and the compression staking can be done to an outer edge (160) of the annular channel (150) to form one or more compression projections (400). The size and shape of the annular channel (150) can be substantially the same as the size and shape of an outer portion of the heat shield (200) to allow for a press-fit therebetween.

Abstract: The suspension system is applied in a compressor, presenting a shell in which interior is horizontally suspended a motor-compressor assembly having opposite ends that are spaced from the shell by an axial spacing. Mounting elements are each attached to an end of the motor-compressor assembly and suspension springs are mounted to the shell and to each respective mounting element. The suspension system comprises stop elements attached to the shell and having a free end portion disposed between a respective end of the motor-compressor assembly and the adjacent suspension spring. A first distance defined between the stop element and the adjacent end of the motor-compressor assembly is smaller than the axial spacing and smaller than a second distance defined between the stop element and an adjacent suspension spring.

Abstract: The arrangement and the process are applied in a compressor comprising: a cylinder block (2); a movable assembly including a piston (5); and a resonant spring (11) having a first end portion (11a), affixed to the cylinder block (2) by a first fixation assembly (20), and a second end portion (11b) affixed to the movable assembly by a second fixation assembly (30). The first or the second fixation assembly (20, 30) comprises a bearing portion (21, 31) attached around one of the end portions (11a, 11b) of the resonant spring (11) and having a fixation face (21b, 31b), and a bearing receiving portion (22, 32), previously attached to the cylinder block (2) or to the movable assembly and having a junction face (22b, 32b), the fixation and junction faces (21b, 31b, 22b, 32b) being welded together, securing the resonant spring (11) to the movable assembly and to the cylinder block (2), maintaining the movable assembly concentric to the cylinder (2a) and in a predetermined axial positioning.

Abstract: An electronic device is provided. The electronic device includes a mechanism, a circuit module and a fixing element. The circuit module is disposed inside the mechanism. The circuit module includes a circuit board and a fan. The circuit board has at least one edge and a fixing hole. The fan has a first lateral side and a second lateral side. The first lateral side has a first hook buckled on the edge. The second lateral side has at least one screwed board, wherein the screwed board has a screwed hole. The fixing element is screwed on the screwed hole and the fixing hole to screw the fan on the circuit board.

Abstract: An electrically driven rotary piston machine which operates as a rotary piston pump or rotary piston compressor wherein the rotary piston machine has a basic housing, which holds an electrical coil and pump head, wherein the pump working space is preferably bounded by a trochoid toothing of the rotors. The pump head which can usually be manufactured relatively economically is embodied as a disposable part and therefore has a quick-action connection with the more complex basic housing.

Abstract: A micropump of peristaltic drive system of pressing a tube having elasticity to transport a fluid is disclosed. The micropump includes: a pump module including the tube, a cam that presses the tube, and a cam shaft on which the cam is pivotally mounted; a drive module including a drive force transmission mechanism that transmits a drive force from a motor to the cam shaft; a coupling member that detachably couples the pump module and the drive module; and a linkage mechanism provided between the motor and the cam shaft to link the drive force.

Abstract: A method and a system are provided for a direct drive pump for use in pumping fluids and/or quasi-fluids from one location to another. In the direct drive pump, bearings or bushings are optimally spaced, taking into account various operational considerations such as load, path, pressure, and tension. Further, bearings or bushings are coupled to the drive string, thus assisting in more efficient installation and de-installation. The bearings or bushings are not fixed to the production casing or drive tube. In embodiments, the drive tube can be vented, and the production fluid can be used as a lubricant for the system bearings.

Abstract: A rotating system includes a drive member and a driven member. The rotating system includes a coupling positioned to rotatably couple the drive member to the driven member and a housing surrounding a portion of the coupling to define an inside and an outside, the housing having a plurality of apertures. A fan is coupled to the coupling and operable to produce a flow of air from the inside to the outside via at least one of the plurality of apertures, and a guide tube is positioned within one of the plurality of apertures to guide a flow of air from the outside to the inside.

Abstract: The bottom tag of the present invention comprises a tapered coupling that is secured below the stator housing. In one embodiment the smaller diameter of the coupling is smaller than the rotor minor diameter. In another embodiment the smallest diameter in the coupling tag is smaller than the major diameter of the rotor and longer than one half the rotor pitch, so that no more than one half of a rotor pitch can enter. In either case there are optional side openings to aid flow during operation. The taper in the coupling tag guides coiled tubing through when the rotor is removed to clean up the wellbore below by jetting through the coiled tubing. The taper can also guide measurement equipment through.

Abstract: A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The heating/cooling fluid flows through a heat exchanger that includes a refrigerant and two variable speed DC compressor for removing heat from the refrigerant. A gear pump circulates the working fluid to and from the catheter and is removably engaged with a pump support platform.

Abstract: A mounting structure for mounting a device to an electric motor having an output shaft has a body including an opening for receiving the output shaft through the body. A plurality of connector elements are supported by the body. The mounting structure includes a plurality of threaded inserts. Each of these inserts is inserted in one of the connector elements for receiving a fastener to connect the body to the motor. Each connector element is sized and shaped for alternatively receiving an insert in at least two, non-coincident locations. The mounting structure can be combined with an electric motor to produce an electric motor assembly that can be mounted on a pump or other device so the device is powered by the motor.

Abstract: A liquid cooling unit includes a pump body. A nipple is formed in the pump body. The nipple defines an outflow passage for coolant. An elastic tube has the tip end receiving insertion of the nipple so that the elastic tube is coupled to the nipple. A fixation member defines a groove supporting the nipple inside the elastic tube over a first predetermined length from the tip end of the nipple. The groove receives the elastic tube alone ahead of the tip end of the nipple over a second predetermined length from the tip end of the nipple.

Abstract: An air compressing device includes a piston slidably engaged in a cylinder housing and driven by a motor to generate a pressurized air, the cylinder housing includes an outlet tube, and an outlet port extended from the outlet tube, and an anchor plate extended from the outlet port, and a facility includes a coupler for engaging with the outlet port and the anchor plate and for quickly and detachably securing the coupler and the facility to the outlet port of the outlet tube and for allowing the pressurized air to be supplied to the facility. The facility is selected from a hose, a relief valve, a pressure gauge, or a cover, and the coupler includes a C-shaped structure.

Abstract: A fan holder includes a casing structure having a first side and a second side. The casing structure includes a base, fan compartments extending from the base, and cable channels extending from the first side to the second side within the base. Each of the cable channels is configured to removably secure at least one of a plurality of cables.

Abstract: An air compressor includes a compressor unit having a motor with a motor housing, a pump operably coupled to the motor and having a pump housing formed as a single piece with a portion of the motor housing, and a first tank fluidly connected to the pump to receive pressurized air from the pump when operated by the motor. The air compressor also includes a tank unit removably coupled to the compressor unit in a stacked arrangement. The tank unit includes a second tank fluidly connected to the pump to receive pressurized air from the pump when operated by the motor.

Abstract: A pump mounting structure is disclosed. The structure includes a mounting surface on a body having an insertion recess, and at least one mounting member having a mounting portion inserted into the insertion recess. The mounting portion has an outer surface and an insertion hole through which a bolt is inserted. A first gap is formed between the insertion hole and the bolt. A second gap is formed between the outer surface of the mounting portion and an inner surface of the insertion recess. A seal member is disposed on an open side of the insertion recess.

Abstract: An arrangement for a quick positioning of a motor of a cross-flow fan including a housing, a cross-flow fan, and an automatically adjustable motor apparatus. The motor apparatus consists of a motor body and a mounting base for the motor body. The mounting base of the motor apparatus is integrally formed with the motor body. Alternatively, the motor body and the mounting base are separately formed and then combined together. The mounting base includes a mounting member and a flange member for a rapid alignment and attachment to the mounting hole and the convex ring such that the motor may be secured from outside in place. Accordingly, a convenient assembly is achieved. Moreover, the trembling motion or the noise created during the operation will be lessened for enhancing the quality and the reliability of the cross-flow fan.