Match Document Document Title
4734016 Plug-in type pump assembly  
Pump assembly includes a rotatable handle with integral cams thereon to releasably retain the pump assembly within a receiver. During assembly, the pump assembly is initially inserted only part way...
4726742 Guide structure for submersible pump system  
Structure for guiding a submersible pump along an upright path of travel includes a wire-like connector coupled to the pump unit, and the connector is shaped to slidably engage two outwardly...
4722661 Magnetic-drive centrifugal pump  
A magnetic-drive centrifugal pump comprises a driving motor, a pump shaft, an impeller, a rotor with a sleeve portion to which is connected the impeller, the rotor and impeller being rotatably...
4722673 Tank mounting for compressor and motor  
Apparatus for mounting a compressor and a motor on an air receiving tank. One end of a compressor base is provided with legs which rest on the top of the tank and an opposite end of the compressor...
4718827 Fuel pump  
An improvement in automotive fuel pump assemblies of the type including a tubular cylindrical housing, an electric motor in the housing and a pump in the housing driven by the armature of the...
4716931 Internal parts fixing structure for tank  
A structure for supporting a member in a tank made of resin and having an opening in the upper wall thereof comprises a fixing bracket having a base portion made of resin and secured by heat to the...
4708027 Gear motor housing  
Housing for a gear motor having an electric motor, an air circulation fan, several gears in a speed reduction gear train, and a low speed output shaft; the housing being manually disassembleable by...
4702678 Oscillator for ventilation apparatus for artificial respirator  
An oscillator for imparting oscillation at a high frequency to respiratory gas in a pneumatic circuit of a high frequency oscillatory ventilation apparatus for artificial respiration includes a...
4694857 Fuel sender unit  
A fuel sender unit is provided for delivering fuel from a conventional fuel tank that may have a resilient bottom wall of the type that deflects under a fuel load. The fuel sender unit includes a...
4693271 Horizontally mounted submersible pump assembly  
A horizontally mounted submerisible pump assembly for pumping water from water storage tanks, which pump assembly is characterized by a submersible pump mounted inside a horizontally oriented tube...
4688595 Enteral nutrition delivery system  
An enteral nutrition delivery system which comprises an integral molded plastic base which includes a first platform to which is secured an infusion pump and a second platform having a recess in...
4684330 Drive for rotary compressor  
A compressor of the rotary type is driven by a motor via a gear wheel arranged on the shaft of the compressor and cooperating with a gear wheel arranged on the shaft of the motor, the gear wheels...
4679991 Submersible pump and wastewater basin apparatus  
A tank mounted discharge conduit assembly for use with a submersible pump unit comprises a base member connected to the tank as well as an upright body having a fluid conduit therein. The base...
4678014 Inflator/deflator with molded housing  
A hand-holdable inflating/deflating device is disclosed which can be used for conveniently effecting inflation or deflation of an associated article. The inflator includes an electric motor which...
4661047 Submersible pump guide rail arrangement  
A submersible pump guide rail arrangement which utilizes the discharge conduit as the guide rail about which the submersible pump assembly is raised and lowered within a wet well. The discharge...
4661048 Electromagnetic pump with simplified construction  
An electromagnetic pump includes a coil bobbin with an excitation coil, a pair of magnetic cylinders, a printed circuit board with a transistor, and a pump housing. The coil bobbin is disposed...
4653987 Finger peristaltic infusion pump  
In an infusion pump or especially a peristaltic infusion pump of the type in which a drug liquid is forced to flow through an infusion tube by peristalsis, the pump mechanism can be readily pulled...
4631006 Compact vacuum pump  
The invention pertains to a lightweight and concise vaccum pump particularly suitable for servicing refrigeration systems. One end of a cylindrical electric motor casing is enclosed by a...
4618315 Small fan  
A small fan with an electric power motor is provided, the rotor of which is designed as a cup-shaped outer rotor and blade wheel hub. The outer wall of the blade wheel hub coaxially widens in the...
4611529 Axial piston machine constructed in a removable cartridge form to facilitate assembly and disassembly  
A fluid pressure energy translating device comprising a housing defining a cavity and a drive shaft having a portion thereof rotatably mounted in the housing and extending into the cavity. The...
4606698 Centrifugal blood pump with tapered shaft seal  
A centrifugal blood pump has a tapered seal between a pump housing wall and a hub of an impeller which provides a fluid tight seal interface surrounding a drive shaft which is connected to the...
4601643 Rotary compressor machines  
A rotary compressor machine comprises at least one rotary compressor member, gearing for driving the member(s), a drive shaft for coupling to a drive motor, and an auxiliary shaft extending axially...
4601378 Supporting bracket for hydraulic pump and clutch  
A supporting bracket for an electromagnetic clutch and a hydraulic pump driven through the clutch from a drive shaft, belt pulley or other power input by which the various forces exerted on the...
4600367 Refrigerant compressor for automobile air-conditioning system  
A refrigerant compressor for automobile air-conditioning system is disclosed. The compressor comprises a front end plate member and a cylindrical casing attached to an end surface of the front end...
4594056 Hydraulic pump unit  
A hydraulic pump unit, comprising an electric motor, the stator (5) of wh is disposed in a housing defining an oil reservoir and the rotor of which is mounted on a shaft which drives a hydraulic...
4591319 In-tank fuel feed pump supporting device  
An in-tank fuel feed pump supporting device comprises a plurality of stays and a single pump vibration damping elastic member. Each stay is formed with an oblong elastic member holding recess and...
4588358 Rotary vane evacuating pump  
A rotary vane evacuating pump having two series connected pumping stages is disclosed. Each pumping stage is provided as an exchangeable unit and has a housing which is detachably connected to one...
4569637 In-tank fuel pump assembly  
A fuel tank mount for in-tank electric fuel pumps to reduce noise and vibration which includes a sealed outer shell spaced from the elongate housing of the fuel pump and supported in and isolated...
4564041 Quick disconnect coupling device  
A quick disconnect coupling device for a sump pump includes a pair of vertically disposed coupling members formed of a chemically inert metallic material and coupling the discharge outlet of the...
4563126 Casing of blower and ventilating fan utilizing the casing  
A casing of a blower of the improved construction easy to assemble and low in noise level, and a ventilating fan utilizing such casing. The casing of the blower includes a frame, and spiral cases...
4559136 Aquarium filtering system  
The present invention provides an aquarium filtering system having a pump housing and a filter assembly which is detachably secured to the pump housing for cleaning or replacement. The pump housing...
4557672 Ice machine pump rebuild kit  
An ice machine pump rebuild kit which enables a repair person to replace the electric motor for the pump and rebuild the pump by providing a kit which enables the drive motor and pump impeller to...
4547135 Motor-pump unit  
A motor-pump unit consists of a screw shaft pump and a slot-barrel motor located on the pressure side of the pump. The motor-pump unit is provided with a rigid, preferably one-piece, shaft by which...
4544334 Mechanical means for holding air gaps on bolt-down stators in refrigerant compressors  
A refrigerant compressor (10) including a compression mechanism (18) resiliently supported within a sealed outer casing (12) is provided with means for maintaining the air gap between the rotor...
4538967 Blower  
A blower casing has a through hole formed in an end face, through which extends a motor which is drivingly coupled to a fan. An annular fitting flange member is rigidly fitted on the outer...
4536134 Piston seal access apparatus  
A chemical pump includes an access sleeve positioned between a hydraulic driving cylinder and the chemical injection cylinder with a rod coupled between the hydraulic driving piston and the...
4525914 Method and apparatus for replacing bearings  
A method and apparatus are provided for replacing the bearing between the sampson post and the walking beam of an oil well pump. The walking beam and the pitman arms are securely fastened together...
4523899 Submergible motor pump assembly  
A submergible motor pump assembly is disclosed which is arranged to be easy to access to any part of the assembly with dismantling minimum elements, i.e. without requiring disassembly of the whole...
4515535 Peristaltic pump quick disconnect rotor assembly  
The present invention provides an uncomplicated quick disconnect rotor assembly for peristaltic pumps. The assembly includes a magnetic carrier mounted on the pump drive shaft which has a mating...
4512724 Electric pump for use in filtering system of a tropical fish tank or the like  
An electrically driven pump (10) for circulating liquid in a fish tank (16) or the like comprises a stator (32); an impeller-rotor assembly (80) comprising a shaft (82), a magnetic rotor (84)...
4511297 Apparatus and method for offsetting and delaying delivery of sheets in an adhesive binder  
In an adhesive binder sheets received in an upper tray are driven past an adhesive applicator, through an inverting path and into a lower tray where the sheets are jogged and aligned. As the sheets...
4507061 Check valve and pump receptor assembly  
A reservoir of liquid having a false bottom forming a lower chamber of reduced pressure produced by a plurality of removable pumps suspended in apertures in said false bottom, each of which...
4503942 Device for guiding a submersible pump unit  
A device for guiding a submersible pump unit to and from its operation position includes an essentially vertical thin guide member the lower end of which gradually changes into a broader portion...
4502291 Combination fan motor and orifice support assembly  
A combination fan motor and orifice support assembly including a plurality of fan motor support legs and a plurality of fan orifice supports all integrated to support both the fan motor and the fan...
4500263 Electrically driven submersible pump system  
An electrically powered submersible pump system has a pipe stack in which a dielectric oil is circulated within tubular electric power supply conductors, for which the oil provides insulation, down...
RE31820 Methods of making torsional vibration isolating motor mounting systems and arrangements  
Disclosed subject matter includes flexible motor mounting members particularly adapted for vibration induced flexing movement combined with oscillatory movement about a pivot axis at a point of...
4492532 Shaft pipe construction for regulating liquid delivery of submersible pumps  
The invention relates to a shaft pipe construction surrounding submersible pump, for the regulation of liquid delivery. The essence of the invention is that the lower part of the shaft pipe is...
4477232 Hydraulically actuated reciprocating piston pump  
A hydraulically actuated multi-cylinder reciprocating piston pump includes two double acting cylinder and piston type hydraulic actuators each connected to a working fluid piston and hydraulically...
4473342 Peristaltic pumping device  
A peristaltic pumping device comprises a cartridge which is releasably engagable in a circular socket of a peristaltic pump. The cartridge has a carrier having an annular series of peripheral...
4468222 Intravenous liquid pumping system and method  
Intravenous Fluid Pumping System having a controller and a pump controlled by the controller. The controller has a sealed chamber with a flexible membrane covering a portion thereof. An...