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7857604 |
Hermetically sealed motor lead tube
An electrical submersible pump assembly has a motor cooperatively engaged with a pump for driving the pump and a motor lead extending to the motor for supplying power to the motor. The motor lead...
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RE41627 |
Submersible motor unit
A submersible motor unit is used to drive a pump and is submerged with the pump in liquid (water). The motor unit includes a tubular housing member and a tubular inner member which is enclosed by...
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7611339 |
Tri-line power cable for electrical submersible pump
A power line for an electrical submersible pump has three metallic impermeable tubes. A single electrical conductor is located within each of the tubes. Each conductor has at least one elastomeric...
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7473079 |
Electric compressor with inverter
In an electric compressor, an inverter case of an inverter is externally attached to an end wall of a housing in an axial direction on the side of a suction port to a compression mechanism. An...
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7318708 |
Check valve for a submersible turbine pump
The present invention provides a submersible turbine pump (STP) comprising a check valve located within a hydraulics cavity, wherein the STP provides the ability to depressurize the hydraulics...
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7281960 |
Plastic flange with molded-over wire harness
A method provides wiring associated with a flange of a fuel delivery module for use in a fuel tank of a vehicle. The method includes molding a plastic flange 12 of a fuel delivery module, with the...
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7204724 |
Plastic flange with molded-over harness
A method provides wiring associated with a flange of a fuel delivery module for use in a fuel tank of a vehicle. The method includes molding a plastic flange 12 of a fuel delivery module, with the...
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7186096 |
Swash plate type variable displacement compressor
A swash plate type variable displacement compressor includes a cylinder block defining a cylinder bore. A housing is fixed to the cylinder block and defines a crank chamber. A drive shaft is...
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6910870 |
High temperature pothead
The present invention provides a high temperature pothead used to provide power to a submersible motor. More specifically, the present invention provides a high temperature pothead that does not...
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6779989 |
Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same
A plurality of connection terminals are covered with a housing so that the plurality of connection terminals are collectively treated by handling of the housing. The housing is put over and fitted...
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6652251 |
Electric pump
An electric pump includes a cylinder, a pumping element, a cap and a spring. The cylinder defines a space and at least one aperture in communication with the space and includes a first end defining...
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6409485 |
System and method for sealing an electrical connection between a power cable and a submersible device
A sealing system that provides a secure seal against liquid transfer in harsh environments, such as those found in wellbore applications. The sealing system utilizes a connector housing having an...
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6375497 |
Recessed hermetic terminal assembly
A hermetic compressor comprising a hermetic housing having a cylindrical sidewall portion, a portion of the sidewall disposed inwardly creating a recess, and a hermetic terminal assembly disposed...
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6359353 |
Submersible motor unit
A submersible motor unit is used to drive a pump and is submerged with the pump in liquid (water). The motor unit includes a tubular housing member and a tubular inner member which is enclosed by...
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6315528 |
Terminal connection in small area of scroll compressor and method for carrying out same
A compressor is provided with an electrical connection within the length of the stator winding or another component, to reduce the total height of the compressor. The compressor includes a motor...
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6164934 |
Sealed type compressor
An attempt has been made to prevent damage of a hermetic terminal and to improve pressure-resistance strength of the welded joint of connecting pipes in order to provide a sealed housing 4 having a...
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6086339 |
Solar-powered reciprocating pump
A solar-powered reciprocating pump for submersible use in a well, such as a water well. The pump has a pumping section with a plunger therein. The pump also has a drive section with a rotating...
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5924846 |
Cover for sewer basin having integral control housing
A cover for a sewer basin with a pump is provided with upper and lower members. The bowl-like lower member has a central cavity which may be closed in a water-tight fashion by placement of the...
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5868175 |
Apparatus for recovery of fuel vapor
This disclosure relates to a vapor recovery unit of a fuel dispenser, and comprises a vapor pump, a variable speed electric motor coupled to drive the pump, and an electric control package...
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5669763 |
Fuel pump unit and an electrical connector therefor
A fuel pump unit comprises a pump supporting flange for closing an opening in a fuel tank. The supporting flange has a wet side from which projects a fuel pump and an opposite dry side from which...
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5611680 |
Spool assembly for field adjustable column length pump systems
A spool assembly which provides for field adjustment of the column length in a pumping system such as that used in gasoline dispensing. The spool assembly is installed between a submersible...
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5591019 |
Vapor recovery pump
A vapor recovery pump for pumping flammable vapors is disclosed. The pump includes a pump unit that defines a pump chamber into which the vapor is first drawn and then exhausted from. A motor...
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5577895 |
Submerged pump unit having a variable length pipe assembly
This disclosure relates to a variable length pipe assembly for connection between a pump-motor unit and a manifold. The assembly is particularly useful in a gasoline dispensing system of a service...
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5348452 |
Pump mounting structure of canned submersible motor for deep well pump
A pump mounting structure of a canned submersible motor for a deep well pump is disclosed. The motor comprises a stator chamber and bearing brackets provided on opposite sides of the stator...
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5297943 |
Electrical submersible pump discharge head
A discharge head for an electrical submersible pump allows the pump assembly to be supported on coiled tubing. The discharge head has a cable passage through which the power cable passes. A motor...
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5254011 |
Cable connecting and disconnecting apparatus for submerged pump
A cable connecting and disconnecting apparatus for a submerged pump for connecting and disconnecting a liquid side power cable with an atmosphere side power cable, comprises a liquid side terminal...
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5207562 |
Submersible pump with handle providing electrical connection and oil port
A submersible pump such as a sump pump or sewage pump has a handle which also serves to provide electrical connections and an oil port. The handle has two barrels which extend through the top of...
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5139397 |
Connection plug for a double centrifugal pump
The invention relates to a double centrifugal pump having two electrically connected electric motors which project from the pump casing and are disposed parallel with one another in separate motor...
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5040950 |
Power washing apparatus
A portable, high-pressure, power washing system is described which includes an electric motor driven gear pump where the electric motor is effectively water cooled by virtue of being contained in a...
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4984973 |
Hermetic motor compressor unit having a hermetic terminal with electrically insulating anti-tracking cap
A hermetic terminal for carrying electric current into the housing of a hermetic compressor, including a cup-shaped metallic body member having a plurality of metallic conductor pins extending...
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4964788 |
Hermetic terminal with terminal pin assemblies having fusible links and motor compressor unit including same
A hermetic terminal for carrying electric current into the housing of a hermetic compressor, including a metallic body member formed with three collar portions that define apertures through which...
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4961018 |
Enclosed pump motor and wiring thereof
An enclosed pump motor includes an aluminum housing made by an impact extrusion process. The housing is cylindrical having an integrally-formed closed end with integral fastener bosses for...
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4840547 |
Compressor including protective cap for hermetic terminal
A protective cap for the hermetic terminal of a hermetic compressor includes a cup-shaped plastic member for attaching to and covering the hermetic terminal during manufacturing, shipping, and...
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4768931 |
In-tank type motor-driven pump
In an in-tank type motor-driven pump actuated by feeding a power from the outside of a pump casing through an external conductor, an end of the external conductor is extended inside the pump...
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4626175 |
Float switch cable clamp
A novel fluid pump housing for a fluid pump with a float switch is disclosed. The housing includes a clamp adapted to removably hold the float cable in a predetermined position and to allow manual...
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4619591 |
In-tank type fuel pump
An in-tank type fuel pump comprises a pump body having a cylindrical yoke with its one end closed by a cover-out member made of a synthetic resinous material, a motor held in the pump body and an...
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4548552 |
Dual valve well pump installation
A reciprocating electric motor-pump assembly for lifting well fluid on downstroke of the motor pump assembly, the pump including a barrel below the motor having dual combined inlet and outlet valve...
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4546300 |
Electric power supply connection for submersible capacitor-start motor apparatus
An oil-filled submersible capacitor-start induction motor for operating a submersible pump includes an integrated capacitor/switch unit releasably secured to the lower end. The motor includes an...
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4541782 |
Pump system
A submersible pump system comprises a lowermost electrically driven pump unit (4,55) providing an inlet to the system for liquid to be pumped and one or more like pumps (5,55) positioned above it...
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4536138 |
Motor-driven pump assembly which can be used under water
A motor-driven pump assembly which can be used under water and includes at least an electric motor (1, 2, 3)surmounted by at least one pump (4, 5) connected to the motor drive shaft so as to...
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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...
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4475873 |
Wet-motor pump
A wet-motor pump having the rotor and the bearings utilize the pumped liquid, whereas the dry stator chamber with the stator windings is separated from and sealed against the rotor chamber through...
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4453895 |
Windscreen washer unit
An electric pump is housed in a recess in a wall of a water container and the pump inlet tube plugs into a lower portion of the container. A polarized electrical connector plugs onto blade...
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4435132 |
Submersible pumping system
A submersible pumping system is disclosed for pumping cryogenic liquid from a reservoir in which a pump and motor unit is lowered to the bottom of a fluid transmitting casing in the reservoir. An...
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4350478 |
Bottom hole oil well pump
A bottom hole well pump comprising a pump housing supported by a control cable for raising and lowering the housing within tubing in a well, a linear motor within the housing causing reciprocation...
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4339231 |
Motor control housing and junction box for a submersible pump
A housing (12) carries a plurality of electrical components (32, 34, 36, 38) for controlling a submersible pump (70). A junction box (14) is attached to the housing (12) and receives a conduit (P)...
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4128735 |
Attachment of electric cable to submergible pump motor heads
The end of an electric cable for energizing the motor of a submergible pump is attached to the motor head by a device comprising a compression block receiving the cable conductors and a shield...
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4104550 |
Motor seals
A submersible motor comprising a first housing including a motor and a second housing enclosing electrical connections between the motor and a jacketed electrical cord to the second housing. The...
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4101794 |
Motor seals
A submersible motor comprising a first housing including a motor and a second housing enclosing electrical connections between the motor and a jacketed electrical cord to the second housing. The...
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3835929 |
METHOD AND APPARATUS FOR PROTECTING ELECTRICAL CABLE FOR DOWNHOLE ELECTRICAL PUMP SERVICE
Leak proof protection is provided for electrical cable used in supplying power to electrically driven pumps installed in subterranean wells by inserting the cable into length(s) of coiled tubing...
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