Abstract: A liquid-cooling pump and a flow channel structure thereof are disclosed. The flow channel structure includes a liquid pump mounting chamber. A bottom of the liquid pump mounting chamber is centrally formed with a liquid inlet. A peripheral side of the liquid pump mounting chamber is formed with a liquid outlet. An inner wall of the peripheral side of the liquid pump mounting chamber is convexly provided with a protruding boss corresponding to one side of the liquid outlet and surrounding an impeller, and is concavely provided with a guide groove corresponding to another side of the liquid outlet and surrounding the impeller. The protruding boss is gradually thinned along a rotating direction of the impeller. The guide groove is gradually deepened along the rotating direction of the impeller and communicates with the liquid outlet.

Abstract: An electrical motor vehicle vacuum pump arrangement includes a housing assembly which includes an inlet opening arrangement having an inlet opening, an outlet opening arrangement having an outlet opening and an outlet channel, a pump unit having a pump rotor housing with an inlet-side end wall, an outlet side end wall, and a pump rotor housing part arranged therebetween, a drive motor having a motor rotor and a motor stator, sound absorption elements, and a sealing connected to the pump rotor chamber and directed towards the outlet opening. The outlet opening arrangement is connected to one of the sound absorption elements. The outlet channel of the outlet opening arrangement is closed relative to the drive motor and the pump unit. The outlet channel of the outlet opening arrangement, when viewed in a direction of the outlet opening, comprises at least one abrupt change in cross-section.

Abstract: A system for housing a fuel pump and a fuel filter including a stem body having a first surface and an opposing second surface. A first, third, and fifth orifice may be located in the first surface. A second, fourth and sixth orifice may be located in the second surface. The second orifice may carry the fuel filter, and be in fluid communication with the first orifice. The fourth orifice may interface with an inlet to the fuel pump, and be in fluid communication with the third orifice. The sixth orifice may be in fluid communication with the fifth orifice. A first channel may be adapted to place the first orifice in fluid communication with the third orifice. A second channel may be adapted to place the fifth orifice, located at a first end of the second channel, in fluid communication with a second end of the second channel.

Abstract: A hand pump (16) includes a housing (22) having an inlet (18) and an outlet (26) and an actuating body (32) movably mounted in the housing axially and a membrane (46) with a flexible ring section (48) surrounding the stroke axis (34). During stroke movement, the actuating body (32) is pressed with the membrane (46) against the force of an elastic element (42) from a resting position (I) into the pump housing (22) and into an actuating position, and returned to the resting position (I) by the elastic element (72). Thus, the volume of a pump chamber (20) can be modified.

Abstract: A modular intake filter system, apparatus and method for an artificial lift pump assembly is described. A modular intake filter apparatus comprises at least one modular intake filter comprising a perforated housing supportively engaged to a production pump of an artificial lift assembly, and a porous media cartridge sealed to an exterior of the perforated housing, wherein a porosity of the porous media cartridge is selected to prevent media of a chosen size from entering the production pump, and wherein a number of the at least one modular intake filter in the apparatus is determined by calculating an area of filtration material required by dividing a selected flow rate of pumped fluid by a permeability of the porous media cartridge, and calculating the number of the at least one modular intake filters by dividing the area of filtration material required by a surface area of a single modular intake filter.

Abstract: The invention relates to apparatus driving circulation in baths, pools and the like, comprising a pump powered by a drive, further a filter section consisting of a housing and a cover, a filter being configured in said housing and being kinematically linked by hookup elements to the cover in a manner that said filter moves jointly with said cover.

Abstract: A mounting device for mounting a fan includes a base board and two fixing assemblies. The fan includes two opposite boards. The base board forms four rods. Each fixing assembly includes a receiving member and an engaging member. The receiving member includes a first pole capable of extending through a corresponding one of the boards and a first block abutting against an outer surface of the board. The engaging member includes a second pole capable of extending though the other one of the boards to be engaged in the first pole, and a second block abutting against an outer surface of the other board. Each of the first and second blocks defines a fixing hole through which a corresponding one of the rods is capable of extending.

Abstract: This invention relates generally to a high volume, buoyancy controlled submersible pump assembly designed to sit on the bottom of a body of water or other liquid substance and move a large volume of water or liquid substance. Alternatively, the submersible pump assembly is capable of achieving and maintaining neutral buoyancy or near neutral buoyancy in a particular body of water or liquid substance. The neutrally buoyant version includes maintaining the pump assembly at a given depth without requiring it to sit on the bottom of the body of water or other liquid substance. This invention also relates to linear electrofusion for thermoplastic components.

Abstract: Provided is a fuel pump module for a vehicle in which a fuel pump, which is a vibration body, is physically coupled to an intank filter, a primary filter, and the like, which are other components of the fuel pump module, to have increased mass, such that unique harmonic acceleration of the fuel pump is reduced, a unique vibration area of the fuel pump or the fuel pump module is changed, and harmonic vibration of the fuel pump is thus positioned at the unique vibration area of the fuel pump or the fuel pump module, thereby making it possible to remove noise generated in a fuel tank due to abnormal vibration of the fuel pump module.

Abstract: A ventilation system includes a housing having an inlet and an outlet to facilitate air flow, a fan coupled within the housing, a filter removably coupled within the housing and a litter box coupled to the housing. In implementations the ventilation system defines a flow direction for air exiting the litter box and the fan is positioned prior to the filter in the flow direction. In implementations an adhesive element having an opening is coupled to the bottom of the housing and the opening is aligned with the inlet, and a transparent coupler is coupled to the adhesive element, the transparent coupler blocking at least one vent of the litter box and the transparent coupler having an opening aligned with the inlet. In implementations the ventilation system defines substantially only a single flow direction for the air flow, the flow direction being in an upwards direction from the litter box.

Abstract: A liquid transfer device having a housing with a top end, a bottom end, a sidewall, and an inner cavity. The sidewall has an inner surface and an outer surface. There is a plurality of openings traversing said sidewall. Also present is a filtering surface that covers the openings. The water or other liquids are pumped or transferred with a pump contained inside the inner cavity, with a fluid exit used for carrying the water out towards exterior hosing.

Abstract: A mounting apparatus for a fan includes a bracket, two fixing members, two screws, and a shield plate. The bracket includes a fixing plate defining a vent and two first through holes adjacent to opposite ends of a top of the vent. The screws extend through the fixing members and the first through holes of the bracket, in that order, for engaging in an upper portion of the fan arranged behind the fixing plate, with the vent aligning with the fan. A top of the shield plate is rotatably connected between the fixing members. The shield plate hangs vertically by gravity to cover the vent upon a condition that the gravity of the shield plate is not overcome by airflow passing through the vent.

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 fan assembly including a rotation shaft, a permanent magnet having a receiving space therein and rotatable around a central axis of the rotation shaft, a fan including a hub having a receiving space therein with one side open and disposed outside the permanent magnet, the fan being rotatable around the central axis of the rotation shaft, a stator disposed inside the permanent magnet, and a blocking portion disposed at the open side of the hub in an axial direction, the combination configured to block an introduction of foreign materials into the fan assembly and to reduce the size of the fan assembly.

Abstract: A waterproof and dustproof fan motor structure includes a base, an annular enclosure, and a stator assembly. The base has a vertically forward extended bearing cup; the annular enclosure internally defines a closed annular space and is externally fitted around the bearing cup; and the stator assembly is disposed in the closed annular space of the enclosure. The waterproof and dustproof fan motor structure can be assembled to a frame and a rotor assembly to complete a fan. With the stator assembly disposed in the closed annular space of the enclosure, the fan motor is protected against damage caused by moisture and dust, and the stator assembly can be easily removed from the closed annular space for necessary maintenance and repair to thereby reduce the bad yield and the manufacturing cost of fan and fan motor.

Abstract: A pump assembly having an inhibitor tube is provided for lifting produced fluids to the surface. The pump assembly includes a pump and may optionally include a gas separator. The pump assembly includes an inhibitor tube having an outlet configured to be in fluid communication with the suction opening of either the pump or the gas separator. The inhibitor tube allows for the separation of gas from the produced fluid prior to the produced fluid entering the gas separator or the pump.

Abstract: An impeller 22 includes a rotating shaft 7 supported rotatably by an upper bearing 9 and a lower bearing 20 at upper and lower ends, a plurality of vanes 6, an arm 18 coupling an inner circumferential side of the vanes to the rotating shaft, an annular coupling portion 8 coupled to an outer circumferential side of each vane, and a driven magnet portion 12 placed in a lower portion of the annular coupling portion. A drive magnet portion 16 provided at a rotor 13 and a driven magnet portion 12 are opposed to each other with a bottom wall of the housing interposed therebetween, and rotation of the rotor is transmitted to the impeller through magnetic coupling. A blockade member 23 is placed below the vanes and blocks a space in a region spreading between the rotating shaft and the annular coupling portion while leaving an opening 14 at least around the rotating shaft.

Abstract: A portable hand held controllable and directable liquid pumping device including a vortex pump head (1) fitted to a first end (2) of an elongate flexible drive shaft (3) and a pump drive (4) fitted to a second end (5) of the flexible drive shaft in which the pump drive includes a substantially rigid elongate housing (6) for a portion of the drive shaft and the elongate housing includes a first handle (7) at or near the first end (8) remote from the pump drive.

Abstract: A fan assembly includes a rack, a fan, and a shield. The rack defines a first vent opening and a second vent opening. A pair of notches are located adjacent the first vent opening. The fan is aligned with the second vent opening. The shield is aligned with the first vent opening. A pair of symmetrical locks are connected to the shield. Each of the pair of locks includes an engaging tab which comprises a slant guiding edge. The engaging tabs are configured to move between a locking position and a release position. In the locking position, the engaging tabs are engaged in the pair of notches to secure the shield in the rack. In the release position, the engaging tabs are guided by the guiding edges to escape from the pair of notches by elastically bent the pair of locks towards each other.

Abstract: A fan housing capable of anti-backflow includes a frame and a plurality of anti-backflow sheets. The frame has a plurality of fixing parts disposed at an opening of an outlet side of the frame. The anti-backflow sheets are respectively pivoted to the fixing parts and cover the opening on the outlet side of the frame. A fan having the fan housing capable of anti-backflow is also disclosed.

Abstract: An enhanced pump assembly includes an impeller and volute casing designed to provide high operating pressures (“P”) and flow rates (“Q”) with low energy usage. The impeller has a central shaft carrying radially projecting curved primary vanes, and each primary vane also has a twist in the radial direction. Secondary impeller vanes define triangular connecting fillet-like wall segments connecting each primary vane to the impeller shaft. The casing of the pump has a slight spiral deviation so that the pump chamber's radial sidewall flares away from the swept area of the impeller's vanes to define a fluid outlet that contributes to higher P-Q performance, especially when pumping colder fluids.

Abstract: A video projector includes a cooling system arranged in a frame accommodating an optical component. The cooling system includes an ambient air drawing unit and a cooling fan. The ambient air drawing unit includes an inlet, through which the ambient air is drawn into the frame, an air filter arranged facing the inlet, and a case that accommodates the air filter and forms an air passage extending from the inlet to an exit side of the air filter. The cooling fan sends the ambient air, which is drawn in by the ambient air drawing unit, to the optical component. The ambient air drawing unit is formed to be movable to a position outside the frame so that the air filter is replaceable in a state in which the ambient air drawing unit is moved to the position outside the frame.

Abstract: A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through hole. The cover is connected to an exterior of the bottom of the housing and a distance is formed between the cover and the housing, so that the cover prevents objects from entering the through hole.

Abstract: A water inlet unit for an amphibious pump includes a housing having a connecting hole, a first water inlet pipe having a first end connected to the connecting hole and a second end provided with a first water inlet port, a second water inlet pipe having a first end connected to the connecting hole and a second end provided with a second water inlet port, a guide member mounted on the housing and connected to the connecting hole, and a tap detachably locked in the first water inlet port or the second water inlet port. Thus, the water inlet unit has a first water inlet port and a second water inlet port so that the water inlet unit and the amphibious pump are disposed at an upright or transverse state according to the practical space requirement.

Abstract: A refrigerant compressor is provided that can be assembled easily and can quickly discharge lubricating oil that leaks from contact sliding parts of its mechanical seal so as to prevent the oil from turning into sludge around the stationary ring. In a refrigerant compressor in which a mechanical seal which shaft seals the inner side and the outer side of a housing is installed at a portion of the housing through which a rotating shaft penetrates, a mechanical seal comprises a stationary ring securely fastened to the inner circumferential surface of a boss portion, a rotary ring securely fastened to the outer circumferential surface of the rotating shaft to the inside of the stationary ring so as to face the stationary ring, whereby sliding contact is formed between sides of the stationary ring and the rotary ring.

Abstract: A seal section for use with a downhole pumping system includes a rotatable shaft, a seal section head and a mechanical seal chamber inside the seal section head. The mechanical seal chamber is bounded by a floor and a wall. The mechanical seal chamber includes a trench disposed in the floor that is configured to entrap solid particles in the mechanical seal chamber at a distance spaced apart from the mechanical seal.

Abstract: A fan includes a bracket, a stator, a rotor, and a slanting portion. The bracket includes a tray, and a frame circling the tray. The stator is mounted to and circled by the frame. The rotor includes a shaft rotatably mounted to the stator, and a shell coupled to the shaft. The shell covers the stator, and the shell and the tray of the bracket cooperatively enclose the stator. An assembly clearance is formed between a bottom end of the shell and a top surface of the tray. The slanting portion circles the tray and extends down from the bottom end of the shell, slanting away and spaced from the tray.

Abstract: A fan includes a bracket, a stator, and a rotor. The bracket includes a tray, and a frame circling the tray. The stator is mounted to the tray and circled by the frame. The rotor includes a shaft, and a shell covering the stator. The rotor shell includes a top board, and a cylindrical hollow sleeve extending down perpendicularly from the top board. The shaft extends down perpendicularly from a center of the top board, and is rotatably mounted to the stator. A lower portion of the sleeve bounds a circumference of the tray. An assembly clearance is formed between the lower portion of the sleeve and the tray.

Abstract: A fan having a housing and a motor connected to the housing via a nonconductive support member. In one form, the nonconductive support member takes the form of a grill. The motor may be connected to the grill such that separate brackets to support the motor are not needed and the motor is electrically isolated from the fan housing. Insulating members may be used to connect the motor to the nonconductive support member. Additional fasteners may be used to connect the motor to the support member. A generally rectangular box fan assembly includes a metal fan housing having a peripheral shroud portion, a nonconductive grill connected to the shroud portion, and a motor assembly connected to the nonconductive grill such that the motor assembly is electrically isolated from the metal fan housing.

Abstract: A submersible pump for removing liquids from an enclosure having at least one outlet socket for discharging liquid from the enclosure, an electric actuator with a rotary output shaft, a bladed wheel within the enclosure and driven by the actuator and rotating about an axis of the output shaft and wherein a wall of the enclosure is defined by a base having at least one inlet orifice for drawing liquids into the enclosure, and a plate mounted in a reversible manner within the enclosure and close to the base in two distinct configurations, and wherein in one mounting configuration a first cavity of a first dimension is created adjacent the base for the passage of a liquid laden with solid particles and in the other mounting configuration a second cavity of a second dimension is created adjacent the base for the passage of a clear liquid.

Abstract: An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel into an annular passageway surrounding the stator of the motor. Further passageways convey the fuel to an annular passageway defined between the pipe and the conduit for discharge external of the storage tank. A low pressure environment attendant the inflow of the fuel is used to channel fuel for lubrication and cooling purposes to a lower journal bearing and thrust bearing supporting a common shaft for the impeller and the motor. A high pressure environment attendant outflow of fuel is used to channel fuel for lubrication and cooling purposes to a journal bearing supporting the upper end of the shaft.

Abstract: The invention is an improved ceiling fan for cleaning polluted air. A fan rod (1) has upper clamp. for roof and a lower motor (2). The motor has a ring (3) supported on radial arms (4) fixed to the motor (2). The ring has multiple smaller blades (5) for more air sweeping. A woven or nonwoven washable filter fabric (6) with needed pores mounted on radial rods (7) fixed to a clamp (8) on the fan rod (1) forms air purifying canopy above the motor and blades. The motor is modified with a lower weight plastic casing with heat radiating holes (18). More number of blades with lower weight motor gives more air for same power. Ionizer (14) is fixed to fan rod (1). Water bottle (15) with wick (16) spreading water on an evaporating sponge (17) spread above the filter cools air in hot summer for cool healthy air.

Abstract: A portable air blower includes a blower fan, a drive unit for driving the blower fan, a casing for covering at least the blower fan and having a side wall with an air intake opening defined therein, and a covering unit for covering the air intake opening. The covering includes an air intake grille fitted to the casing and operable to permit an air to pass therethrough into the air intake opening, but to block foreign matters off therefrom, and a protective shroud held in overlapping relation with the air intake grille for covering the air intake grille on one side of the air intake grille opposite to the air intake opening. The air intake grille has an outermost area having a circumferential edge, which is positioned substantially radially inwardly of an outer peripheral edge of the protective shroud.

Abstract: The invention provides a blower system of a high performance, which is constructed to have stabilized characteristics, a high efficiency, a reduced thickness and a reduced noise. A blower system according to the invention includes an impeller, a motor for rotating the impeller and having a rotor and a stator, and a bell-mouth for supplying air to an intake port in the impeller, wherein the rotor is fixed to the impeller, and the stator is fixed to the bell-mouth. A gap between the impeller and the bell-mouth is composed of a gap between the rotor and the stator of the motor. Alternatively, the rotor is fixed to the impeller, and the stator is fixed to a fitting for mounting a housing of the blower system or the blower system.

Abstract: 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 base seat is positioned below the air channel housing, the base seat having a side wall, with an air inlet provided in the side wall. A motor is positioned in the base seat and has a shaft that extends through the air channel housing to be coupled to the air blades.

Abstract: A miniature liquid cooling device includes a casing (10) defining a first chamber (102), a second chamber (104) and a third chamber (106) communicating with the first chamber. The first and the third chambers cooperatively form a work channel for liquid. An impeller (21) is rotatably mounted in the first chamber to circulate the liquid. A filter (17) is mounted in the second chamber and defines a plurality of orifices (1704). When the impeller rotates, first the liquid firstly enters the second chamber via an inlet. (122), and then the liquid flows through the filter within the second chamber, whereby air bubbles in the liquid leave the liquid and escape from the filter via the orifices. The escaped air bubbles enter the second chamber. The deaerated liquid flows into the work channel and finally is driven to low out of the liquid cooling device via an outlet (124).

Abstract: A Multi or single-stage turbo compressor with at least one compressor wheel fastened to a shaft. the shaft is mounted in a turbocompressor housing which is separated by a hub disc a front interior housing region in front of the hub disc of the compressor wheel. The driven compressor wheel delivers a fluid from an inlet channel (10) to an outlet channel. The front interior housing region comprises a wheel lateral space from which an extraction channel for the extraction of fluid is provided.

Abstract: A fan assembly including a pedestal supported and upwardly extending body. A control adjustable electric motor is secured to an upper end of the body. A fan subassembly includes a peripheral and depth defining shroud communicating a rear grate with a front grate. A plurality of rotatable fan blades are operated by the motor and extend from a hub rotatably supported within the shroud between the front and rear grates such that a rear induced vacuum results from rotation of the fan blades. A filter and associated bracketry secures the filter in communication with the rear grate in order to filter contaminants attracted via the induced vacuum forces to the rear of the fan during operation.

Abstract: A blower housing may be used with a climate control furnace or with a water heater and provides cooling of the motor that rotates the blower fan and also provides dilution and cooling of exhaust gases drawn from the furnace or water heater. The housing is constructed with one side that is positioned in a single plane that is easily mounted to a flat surface of the furnace or water heater and can be sealed against the surface. The housing is provided with an interior heat shield that insulates the exterior surface of the housing and with a noise muffler.

Abstract: A blower includes a housing unit, a fan blade unit, a driving device, a start capacitor, a switch device, and a power source device. The power source device is connected electrically to the switch device. The housing unit includes a driver housing for receiving the driving device, and a fan housing for receiving the fan blade unit. The driver housing includes a mounting recess. The housing unit further includes a cover plate for covering removably the mounting recess. The start capacitor and the switch device are disposed removably within the mounting recess, and are connected electrically to the driving device at the mounting recess.

Abstract: In the case of a fuel pump, a plug for fixing electric contacts is manufactured from a material which is capable of swelling with fuel, and is inserted into a receptacle of a connecting piece by being fitted therein. Furthermore, the plug and the connecting piece have latching means for simplifying the pre-assembly. The connecting piece requires a particularly low number of components and can be manufactured cost-effectively.

Abstract: The disclosed sump pump pit is modular, being formed from substantial planar lightweight top, bottom and side walls that when disassembled can be carried compactly stacked on one another to an intended sump hole, and can then be assembled and secured together as the rigid pit defining an enclosure sized to hold at least one sump pump (preferably two sump pumps side-by-side). Cooperating tongue and groove configurations on the side wall edges interlock these components in a tubular configuration, and the end edges of the side walls can be fitted into and secured in channels in the top and bottom walls, making the pit rigid. The pit walls are perforated for communicating the sump hole with the pit enclosure. Piping extended through the top wall allows water to be pumped from the sump hole via the pit pump(s).

Abstract: An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel into an annular passageway surrounding the stator of the motor. Further passageways convey the fuel to an annular passageway defined between the pipe and the conduit for discharge external of the storage tank. A low pressure environment attendant the inflow of the fuel is used to channel fuel for lubrication and cooling purposes to a lower journal bearing and thrust bearing supporting a common shaft for the impeller and the motor. A high pressure environment attendant outflow of fuel is used to channel fuel for lubrication and cooling purposes to a journal bearing supporting the upper end of the shaft.

Abstract: A power blower has a body having a fan housing for accommodating a fan, the fan housing having an upper portion, a lower portion opposite to the upper portion, and a pair of support portions extending from the upper portion. A driving machine is mounted to the fan housing for driving the fan. A discharge duct is mounted to the fan housing for discharging a current of air produced by driving of the fan. A pair of legs is disposed at the lower portion of the fan housing to enable the body to stand alone on a surface. A main handle having a structure separate and independent from the fan housing is removably connected to the pair of support portions of the fan housing. An auxiliary handle is integrally formed with and disposed between the pair of legs. The auxiliary handle has a holding edge aligned with a central extension line of the main handle.

Abstract: A tile flood pump for attachment to a tile or drain pipe and pumping water from a field through the tile or drain pipe to a drainage ditch or canal. The tile flood pump is characterized by a pump housing fitted with a flange for removably bolting to the existing tile or pump embedded in a levee or dike separating the field from the drainage canal and an impeller housing enclosing one or more shaft-mounted, lower rotating impellers, the impeller housing typically having impeller housing flanges for access to the lower impeller(s) and extending into the pump housing in angular relationship for pumping water from the field through the impeller housing and the tile, into the ditch.

Abstract: An oil well pumping apparatus for pumping oil from a well to a wellhead provides a tool body that is sized and shaped to be lowered into the production tubing string of the oil well. A working fluid is provided that can be pumped into the production tubing. A prime mover is provided for pumping the working fluid. A flow channel into the well bore enables the working fluid to be circulated from the prime mover via the production tubing to the tool body at a location in the well and then back to the wellhead area. A pumping mechanism is provided on the tool body, the pumping mechanism including first and second gerotors. The first gerotor is driven by the working fluid. The second gerotor is rotated by the first gerotor. The two gerotors are connected with a common shaft. The tool body has flow conveying portions that mix the working fluid and the produced oil as the oil is pumped.

Abstract: An engine cooling fan motor has a water baffle positioned in a water line of sight passage through structures surrounding the motor to prevent water from impacting on the air vents at the front end of the motor. The baffle blocks the water line of sight passage. In one aspect, a rear cover is spaced from the rear endwall of the motor and has one or more baffled inlets to create an airflow passage to air inlet vents on the rear endwall of the motor.

Abstract: The object of the present invention is to provide an electromagnetic vibrating pump which can enhance dust collecting function, reduce the number of times of maintenance working and improve the rate of operation. The present invention is an electromagnetic vibrating pump, having a suction orifice sucking air and vent orifices venting said air in an internal cyclone chamber and equipped with a centrifugal dust collector having a cyclone generating portion at which a generating portion for generating cyclone action to the atmosphere which was sucked in the cyclone chamber through said suction orifice is provided.

Abstract: A filtration and float apparatus and method are disclosed, wherein an integrated float frame and filter is provided, a buoyancy of the float frame and filter causing a sealing of the filtration and float apparatus with a pump.

Abstract: A filter and pump include complementary engagement features such that the filter is inserted into the pump and thereafter rotated approximately 90 degrees to engage a twistlock feature. In this manner, filter attachment is maintained without additional fasteners, spring clips, clamping plates, etc.