Abstract: An electrical non-priming submersible pump including a motor assembly that has a motor coupled to a shaft. The shaft has impellers formed thereon for propelling water. Also included is a housing assembly that surrounds the motor assembly. The housing assembly has an intake area that includes a multilayer sediment protection system that prevents the introduction of debris into the housing. The multi-layer sediments protection system includes a first plurality of slots positioned around the circumference of the housing assembly and a screen position in juxtaposition in relation to the first plurality of slots. A sprinkling system is also disclosed including an electrical non-priming submersible pump that is connected to a control panel which is connected to a header pipe section. The header pipe section is connected to a zone pipe section that includes sprinkler heads for applying water to a desired location.

Abstract: A viscosity handling system for facilitating the movement of certain fluids. The system utilizes kinetic energy in the form of a rapidly and repetitively moving component that imparts energy in the form of heat to surrounding fluid. The system is particularly useful in applications, such as downhole pumping systems, used to produce hydrocarbon-based fluids from beneath the surface of the earth.

Abstract: A heating and pumping device for liquids, in particular for water of aquariums, the device comprising a pump (24) having a pump body (32) and a thermo-heating element (26) having a thermo-heating body (60). There is a casing (22) which contains both the pump (24) and the thermo-heating element (26) such that a passage section (102) for water is defined between the thermo-heating element (26) and the casing (22). To seal the electrical parts of the thermo-heating element (26) and to prevent damage, a sole sealed zone (100) filled with resin is created between the pump body (32) and the thermo-heating body (60). This resin filled sole sealed zone (100) obviates the need for using other less effective sealing elements and gaskets.

Abstract: An internal housing is surrounded by an external housing, forming an external space. A total quantity of fuel, pumped by the fuel feed pump into the external housing is divided in such a manner into two subquantities of fuel such that the subquantity of fuel, required by a motor, flows out of the fuel feed pump after flowing through the external space and an internal pump housing space. The other subquantity of fuel flows to a pressure regulator without flowing through the external and internal spaces of the pump.

Abstract: The present invention provides an electric submersible pump assembly with a latch device permitting downhole connecting and disconnecting of the pump and motor. The latch device includes a pump latch connector and a motor latch connector that allows a pump and an electric submersible motor to be disposed in a wellbore independently and then connected. The pump latch connector attaches to the pump and includes a rotor connector box and a stator connector pin. The motor latch connector attaches to the motor and includes a rotor connector pin and a stator connector box. The rotor connector pin is disposable in the rotor connector box and the stator connector pin is disposable in the stator connector box thus connecting the previously suspended motor and motor latch connector to a retrievable pump, with the pump latch connector attached.

Abstract: A molten metal pump includes a base member submerged in the molten metal, a support member supported above the level of the molten metal by a post extending from the base member through a clearance bore in the support member and a coupling securing the post to the support member. The coupling is mounted to the support surface and includes gripping members operable to a locked position engaging the upper end of the post and to an unlocked position releasing the post. The coupling is aligned with the clearance bore in the support member to permit the post to be assembled or disassembled by axial movement through the clearance bore when the coupling is in the unlocked position.

Abstract: A pump unit for medical and food use, including: a stator provided with a number n of poles and powered by a power and control circuit fed by alternating electric current; a rotor having an equal number n of poles, which is fixed directly onto a shaft of a pump; and a jacket of amagnetic material which isolates the rotor from the outside and is positioned within the air gap between the rotor and the stator.

Abstract: The motor construction unit is provided for a submersible pump unit and comprises an electric motor with a frequency converter connected in series which are arranged in a common housing casing round in cross section. The frequency converter is as an insert arranged axially flush to the motor and consists essentially of three components, specifically of a common semiconductor element containing the power part, of a component containing the input and intermediate circuit and a component containing the 3 control and regulation electronics. The component containing the power electronics is via a heat distributor connected to the housing casing. The neat distributor is in its outer contour adapted to the inner contour of the housing casing and is pressed into this for heat conduction over the whole periphery.

Abstract: Methods for staged production from a wellbore include pumps sequentially operated during the life of the well. In described embodiments, production assemblies are used for progressive staged production process in which the production tubing is bifurcated to provide a pair of legs. One of the legs includes a first pump that may be selectively actuated to flow fluid through one of the legs. Means are also provided, including a sliding sleeve and a flapper valve diverter, for blocking production fluid flow through one leg or the other. A second fluid pump is lowered inside of the production tubing to pump fluid after the first pump has failed.

Abstract: A portable air moving apparatus for providing personal air cooling includes a container with open top and supported by plural wheels attached thereto. The container encloses electrical components including a battery, a radial flow air moving device, and a switch. These components are interconnected by electrical conductors such that the switch can make and break a circuit for driving the air moving device with the battery. A removable container lid provides an aperture for receiving an air exhaust from the air moving device which is then directed toward an individual to provide cooling. The container lid is adapted for being set to allow air flow into the container so as to feed the air moving device.

Abstract: An electrical non-priming submersible pump including a motor assembly that has a motor coupled to a shaft. The shaft has impellers formed thereon for propelling water. Also included is a housing assembly that surrounds the motor assembly. The housing assembly has an intake area that includes a multilayer sediment protection system that prevents the introduction of debris into the housing. The multi-layer sediments protection system includes a first plurality of slots positioned around the circumference of the housing assembly and a screen position in juxtaposition in relation to the first plurality of slots.

Abstract: Disclosed is a molten metal submersible pump system which includes a unitized body which acts as its own jig during assembly to precisely align the motor mount framework, the pump body, the pump base, and the pump shaft. Further disclosed is such a pump system which provides greater than normal surface area and heat sink mass, which has resulted in an increased useful life of the pump system between required maintenance and replacement of parts.

Abstract: A flame arresting system for a centrifugal fuel pump of a variety including a downstream impeller and an upstream inlet port. The system includes an arrestor body which is received with the inlet port within an associated fuel tank. The body is formed of an open-cell foam material having an average pore size and thickness selected as being both fluid permeable and adapted to prevent flame from propagating therethrough. The inlet port is contained within the body such that fuel within the fuel tank may be drawn into the inlet port through the arrestor body, with flame being prevented from passing into the tank from the inlet port.

Abstract: A liquid pump and controller with separate pump activation and deactivation mechanisms that are both closed detector devices is provided. The pump activation mechanism includes a float device that activates a pump motor when water within a housing of the pump reaches a high water level. The pump deactivation mechanism includes a sensor that detects the load on the pump motor and deactivates it when the sensed load indicates that the water within the pump housing has reached a low water level.

Abstract: A sump pump motor switch assembly for a sump pump including a motor casing and an end shield, includes a switch assembly and a housing mounted to the end shield. A cam actuator is connected to the housing and a sump pump actuation switch is mounted with the cam actuator. A motor actuation switch is also mounted with the cam actuator body. The sump actuation switch and the motor actuation switch are snap action switches that are simultaneously actuated by the cam actuator. The switch assembly includes a snap fitting assembly configured to fit into a receiving retainer within the motor casing.

Abstract: A system for pumping fluid from a well-bore that includes a pump assembly driven by a first motor module assembly via a continuous rotatable shaft. The first motor module assembly includes an induction motor having a multi-phase stator and a wound rotor. Energizing the stator of the induction motor of the first motor module induces a current in the windings of the wound rotor of the induction motor of the first motor module. The induced current is supplied to a motor coupling unit which generates power to drive a second motor module assembly electrically connected to the motor coupling unit. The second motor module assembly further drives the pump assembly via the continuous rotatable shaft.

Abstract: A level control device is adapted for use in a wastewater pump station. The level control device cooperates with a discharge pump to control the volume of wastewater contained in the pump station. The level control device includes a buoyant housing for being located in the pump station, and capable of floating on a surface of the wastewater. A control switch is adapted for being operatively connected to the motor starter of the discharge pump to activate the pump when the housing reaches a predetermined elevation in the pump station due to an increasing level of wastewater. An anti-accumulation surface of the housing acts to resist accumulation of grease and other waste.

Abstract: A component, such as a submersible motor, having a lubrication distribution system. The component comprises an outer housing having a rotatable shaft disposed within the housing. The shaft is supported by one or more bearings, and a lubricant is disposed within the housing. A conduit is provided for conducting a lubricant from the lubricant pump to desired locations, such as the one or more bearings.

Abstract: A portable bilge pump assembly for providing portable water pumping capabilities without an external power source. The portable bilge pump assembly includes a pump member which is submersible and designed for pumping water, a hose member which is environmentally coupled to the pump member and designed for carrying water from the pump member to an area selected by the user for dumping, and an handle assembly which is pivotally coupled to the pump member and used for positioning the pump member.

Abstract: A submersible pump employs a sealed, oil-filled chamber with a moisture-sensing probe to detect the presence of any pumpage, such as water, which has leaked into the chamber. If contamination is detected, the pump may be shut down for repairs before it fails. Two mechanical seals are installed the lower seal is located between the pump and the oil chamber and an upper seal is located between the oil chamber and the motor. The improvement disclosed herein combines a pressurized oil accumulator with the pump oil chamber described above. The accumulator is divided into two compartments separated by a bladder, one compartment being connected to the reservoir of the pump and filled with oil for providing make-up oil to the reservoir and for accepting surplus (expansion) oil from the reservoir. The second compartment is pressurized and applies pressure to the bladder that, in turn, transfers the pressure to the oil in the first compartment and to the oil-filled chamber.

Abstract: A pond insert more particularly intended for insertion in a garden pond is described and which has at least one electromotively driven pump (2) The pump has an inlet connection and two intercommunicating outlet connections (5, 6), whereof one is preferably oriented horizontally and one vertically. The pump can be fixed in a basket-like container (3), which can be filled with a weighting material such as gravel or the like for improving the stability of the pond insert.

Abstract: A pump 12 is (or pumps are) located in a blind foundation pile 14 that has been driven into the sea floor. The top of the pile 14 is provided with a fitting that includes an inlet 18, a hanger 24 for the pump 12, and an outlet 20. water is delivered from a filtering and treatment apparatus into the pile 14 through the inlet 18. The pump 12 delivers the water under pressure through the outlet 20 into piping that directs the water to the water injection well.

Abstract: A fire fighting apparatus includes a chassis that can be in the form of a trailer that supports a pedestal and an articulating boom with a submersible hydraulically driven pump at an end portion of the boom opposite the pedestal. A diesel engine mounted on the chassis powers both a hydraulic pump and a transfer pump. Water picked up by the submersible pump at the end of the boom is received on the chassis and then transferred under pressure to a fire fighting hose. A dual filter arrangement can be used to remove trash that is picked up by the submersible hydraulic pump. A hydraulic motor on the chassis can be used to operate the boom during unfolding and folding and to transfer hydraulic fluid to the submersible pump.

Abstract: A fuel feeding aggregate for supplying fuel to an internal combustion engine, the fuel feeding aggregate has a housing having a suction-side end and a pressure-side end, a check valve integrated in the pressure-side aid and provided for fuel supply to injection valves, and an additional check valve integrated in the suction-side end in the housing and maintaining a system pressure in the fuel feeding aggregate.

Abstract: A liquid pump and controller with separate pump activation and deactivation mechanisms that are both closed detector devices is provided. The pump activation mechanism includes a float device that activates a pump motor when water within a housing of the pump reaches a high water level. The pump deactivation mechanism includes a sensor that detects the load on the pump motor and deactivates it when the sensed load indicates that the water within the pump housing has reached a low water level.

Abstract: A submersible electric motor driven pump includes a motor chamber and a pump chamber separated by a seal chamber. Inboard and outboard shaft seals immersed in an oil buffer fluid within the seal chamber restrict the flow of liquid from the seal chamber into the pump and motor chambers. An integral or externally mounted pre-pressurized buffer fluid reservoir maintains a positive fluid pressure in the seal chamber relative to the external pressure at working depth, and suitable buffer fluid level within the chamber, preventing the ingress of the pumped media through the outboard seal. A unique impeller design circulates fluid within the seal chamber in the region of the outboard shaft seal, allowing continuous run dry operation when used in conjunction with an integrally cooled motor design. A cartridge shaft sleeve subassembly permits with a bearing configured between the inboard and outboard seals, facilitates maintenance.

Abstract: A sump pump has a float operated alarm switch mounted on the top end of the pump housing for activating an alarm when water rises above a normal operating level. The alarm is in a remote enclosure with the pump power plug so that plugging in the unit automatically positions the alarm in a desirable location to be heard. The power cord and alarm switch wire extend through a flexible corrugated tube that is attached to the pump housing and the alarm enclosure by strain relief connections that do not compressively crush the tube.

Abstract: A vertically oriented hydraulic power unit for an elevator drive includes an outer tank for drive fluid and an inner tank for fluid used to submerge and cool a motor, the fluids being exchangeable to maintain temperature in the inner tank at or below a specified maximum temperature. Oil returning from an elevator piston is fed into said inner tank to keep the inner tank sufficiently cool.

Abstract: There is disclosed a pump and pumping system for pumping dense phase gases, specifically for injecting carbon dioxide into an oil or gas reservoir that includes a pump, a motor, and a casing in which the pump and motor reside. There is also disclosed a pump and pumping system for injecting dense phase greenhouse gases into a reservoir or underwater. The pump may include a downhole electric submersible pump. A method of controlling the pump and pumping system is also described involving the use of a variable speed drive in conjunction with an on-line gas chromatograph to maintain a constant carbon dioxide injection rate.

Abstract: A submersible centrifugal pump for downhole pumping of methane-saturated water from wells drilled in coal formations, has an electric motor-driven vertical shaft having centrifugal impellers distributed therealong, each impeller being located in a stationary diffuser within the pump wall to form a multi-stage pump. A concentric shroud is located at the lower portion of the pump wall. It is sealed with the pump wall such that all fluid to be pumped must enter holes near the top of the shroud and travel downward through an annulus to the pump inlet. A charge impeller and a solids grinder are located at the lower end of the pump central shaft. The multi-stage centrifugal pump is located above the solids grinder and includes multiple compression stages of diminishing volume as the methane and fluid mixture travels upward through the pump. Another charge impeller may be located at the upper end of the shaft at the outlet pipe.

Abstract: 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 and disposed in a coaxial relationship with the tubular housing member. A stator is disposed in a stator chamber formed between the tubular inner member and the tubular housing member. A rotor is disposed in a rotor chamber disposed within the inner member. End walls close opposite ends of the tubular housing member and the tubular inner member. An annular capacitor is disposed in the stator chamber in an axially spaced apart relationship with the stator. The capacitor extends around the rotor chamber. A body of potting compound is disposed in the stator chamber and at least partially encloses the stator and the capacitor.

Abstract: A molten metal pumping device is disclosed that comprises a pump base including at least one input port, a pump chamber, and a discharge leading to an output port. A rotor is retained within the chamber and is connected to a rotor shaft. The device further includes a superstructure attached to and positioned above the pump housing, a motor on the superstructure, a drive shaft connected to the motor and a coupling connecting the drive shaft to the rotor shaft. The rotor extends beyond the input port to deflect solid particles thereby reducing jams and preferably is a dual-flow rotor, directing molten metal both into the chamber and out through the discharge. The coupling is flexible and has two coupling members with a flexible disc disposed therebetween. Another aspect of the invention is a housing for a transfer pump that includes a discharge leading to an output port and a button adaptor extending from the discharge.

Abstract: A washer pump motor includes a case having a pair of arcuate walls and a pair of flat walls. A pair of brushes are opposed to a commutator. A lid, which forms part of the case, includes a pair of brush supports for respectively supporting the brushes. Each brush support includes a base plate, which is fixed to the lid, and a plate spring, which detachably engages with the base plate. The plate spring has a retained portion retained by the corresponding base plate and a resilient arm portion to which the corresponding brush is fixed. The resilient arm portion extends from the retained portion and is substantially parallel to the flat walls. This maximizes the length of the resilient arm portion and maintains the performance of the motor. Also, this arrangement permits miniaturization of the motor and facilitates assembly.

Abstract: The present invention provides an improved, modular condensate pump assembly that has a collection tank which can be disposed at any convenient location to collect liquid condensate. A removable support plate is supported on the collection tank, and a pump extending into the collection tank is supported by the support plate. A liquid volume control float, also supported by the support plate, communicates with the pump to activate the pump to remove liquid condensate from the collection tank when the condensate liquid reaches a predetermined volume.

Abstract: A downhole pumping system includes a downhole pump that is coupled to a downhole motor. The downhole motor includes a motor protector that utilizes one or more retractable and extensible pistons, instead of an elastomeric bag, to accommodate motor oil contraction and expansion. The motor protector may also include one or more contamination containment sections for processing contaminants in downhole fluid to reduce contamination of the motor oil.

Abstract: An electric motor having a rotatable shaft centrally located within a cylindrical stator bore in a housing. A first retaining ring engages the shaft, and a rotor stack is supported axially slidably on the shaft. A second retaining ring engages the shaft above the rotor stack and is positioned a distance above the rotor stack to allow for free thermal expansion of the rotor stack. A spring locates between one of the retaining rings and the shaft to bias the rotor stack against the other retainer ring.

Abstract: A fuel feeding module for a motor vehicle has a fuel supply tank, a storage container arranged in the fuel supply tank, a feeding aggregate arranged in the storage container and feeding fuel from the storage container to an internal combustion engine of the motor vehicle, the feeding aggregate having a driving part and a pump part which is formed as a flow pump and has a rotatably driven impeller cooperating with at least one flow passage for feeding the fuel, a jet pump which is connected with the flow passage of the pump part of the feeding aggregate and through which the fuel is fed from the fuel supply tank into the storage container, the jet pump being arranged laterally near the feeding aggregate and connected with the flow passage of the pump part by a passage which extends along the bottom of the storage container.

Abstract: A machine, in particular an industrial truck, is provided with a hydraulic system that has at least one reservoir (1) for hydraulic fluid and at least one hydraulic pump (5). The hydraulic pump (5) is located inside the reservoir (1). A priority valve (8a) is connected to the hydraulic pump (5) by a flange connection. An electric drive motor (3) of the hydraulic pump (5) can also be located inside the reservoir (1).

Abstract: A fuel supplying apparatus for a vehicle for supplying fuel including an in-tank type fuel pump 7 provided in a sub-tank 5 inside a main tank 1 and a tubular fuel holding case 21 surrounding a suction filter portion 20 of this fuel pump 7 and having an opening portion 21B which is open in an opposite direction to a forwardly moving direction of the vehicle, so as to supply fuel 2 to outside the main tank 1 through a delivery pipe 16 by means of the fuel pump 7. The fuel 2 can be supplied to an engine even during the quick braking of the vehicle when the amount of fuel 2 is small without increasing the number of component parts of the apparatus.

Abstract: A pump for use in marine environments including a pump housing having a cap portion and a main portion, a pump intake pipe attached to the main portion, a pump assembly attached to the cap portion is described. A pair of clips extending from said cap portion extend over a pair of raised surfaces on said main portion. Rotation of the cap portion moves said clips from a low end of the raised surfaces to a high end, thereby locking the cap portion to the main portion. In another embodiment, a locking ring fits over the junction between the cap portion and the main portion. The ring includes an inwardly directed upper flange and a plurality of inwardly directed protrusions on a lower extent. The ring fits over the cap portion such that a flange from the motor housing and one or more flanges from the main portion are caught between the upper flanges and the protrusions of the locking ring. The pump may be a removable live well pump or a bilge pump.

Abstract: The invention concerns a device for a submersible machine, such as a pump, a turbine or a mixer. The machine includes a driving unit (1) and a hydraulic unit (2) having an impeller connected to the driving unit via a rotary shaft (3). In order to prevent the medium in the hydraulic unit from entering the driving unit along the driving shaft, an intermediate seal device is arranged. The seal device includes two mechanical face seals (5) and (6) and an intermediate room (7) containing barrier liquid. In order to prevent possible leaking barrier liquid from damaging the shaft bearing (4), a storage tank (9) for collecting said liquid is arranged within the room (7).

Abstract: There is disclosed a pump and pumping system for pumping dense phase gases, specifically for injecting carbon dioxide into an oil or gas reservoir that includes a pump, a motor, and a casing in which the pump and motor reside. There is also disclosed a pump and pumping system for injecting dense phase greenhouse gases into a reservoir or underwater. The pump may include a downhole electric submersible pump.

Abstract: A pump system for a helicopter tanker includes an axial flow electric pump coupled to a lower end of a snorkel having a generally tubular pump housing extending along a central axis between an open upper end and an opposite open lower end serving as an inlet of the pump. An in-line electric motor is supported within the housing along the axis and has an output drive shaft mounting an impeller. A filter screen basket is mounted on the lower end of the housing to filter water for filtering the incoming water. An electric power cable extends from the motor through a the housing and is shrouded externally by a protective metal cable guard.

Abstract: A pumping assembly for use on an offshore drilling platform. The pumping assembly includes a vertical pump designed for mounting on the deck of an offshore drilling platform. The pump is a vertical pump that includes a fluid intake, a fluid discharge, a rotatable shaft, and a fluid driving mechanism to draw fluid into the fluid intake and to discharge fluid through the fluid discharge. A seal is mounted about the rotatable shaft to prevent leaking of the pumped fluid along the rotatable shaft. Additionally, a power source is coupled to the rotatable shaft to power the vertical pump. The fluid discharge is oriented to discharge fluid in a direction generally axially aligned with the rotatable axis to limit transverse forces on the seal.

Abstract: A method to control stops of an intermittently operating electric motor that drives a submersible pump arranged in a pump station for sewage water, wherein starts and stops of the motor depend on the water level in the pump station or on any other electric parameter possible to measure, and where a stop of the motor is initiated when the water level has gone down to the upper part of the motor. The method involves the steps of selecting intervals for pumping down to a level below that of the upper part of the motor where the pump starts sucking air, and pumping down to the lower level at each of the selected intervals until the pump starts sucking air.

Abstract: A process pump is provided including pressurized dry motor and integrated adapter cavities. The pump also includes a hermetically sealed motor housing and a specially arranged seal assembly. In accordance with one embodiment of the present invention, a hermetically sealed pump is provided including a motor, a motor housing, a gas supply port, a drive shaft, first and second rotational supports, an integrated adapter, a pump housing, a seal assembly, and an impeller. The motor is arranged to impart rotational movement to the drive shaft. The first and second rotational supports are arranged to support the drive shaft. The second rotational support is accommodated by the integrated adapter. The drive shaft is coupled to the impeller such that rotation of the drive shaft causes rotation of the impeller. The motor housing is disposed about the motor and defines a front end, a rear end, and a motor cavity. The pump housing is disposed about the impeller and defines a process fluid cavity.

Abstract: An electrical submersible pump assembly has a diluent fluid injection line to reduce viscosity of well fluid. The electrical submersible pump includes impellers for displacing well fluids, and a base member having an intake port for receiving well fluid. An inducer having a helical flight is mounted below the impellers in the base member. The submersible pump is additionally provided with injection ports, preferably radially spaced around the base member proximate the inducer through which diluent is injected for mixing with the well fluid. The diluent is pumped down to the injection ports by an injection line that runs down from the surface.

Abstract: A solar powered water fountain comprising at least one solar cell (10) electrically connected to a direct current motor (12), which is connected by a shaft to a submersible, seal-less pump having at least one output orifice. The fountain may be stationary, or mounted on a float (18); It may be in the shape of a lily pad, or any other shape. The apparatus may include a decorative motor cowling (32), for example, in the shape of a frog.

Abstract: A modular plug system facilitates engagement and disengagement of the power cable with a submergible pumping system. The modular plug includes a first plug portion connected to the power cable and mounted within an upper assembly of the connector. The plug also includes a second plug portion connected by a plurality of conductors with the submergible motor. The second plug portion is mounted within a lower assembly of the connector and is configured for mating engagement with the first plug portion. The upper assembly and lower assembly of the connector also are designed for relatively easy engagement and disengagement coincident with the engagement and disengagement of the plug.

Abstract: For an immersed pump having a suction port directly immersed in a liquid for operation, the present invention provides a pump that eliminates the need to seal a rotating shaft with a shaft sealing apparatus and that reduces the effect on individual pump sections of a) the thrust of the rotating shaft effected by the rotation of an impeller and b) the weight of a motor acting in the same direction, thereby preventing defects in the pump. To achieve this object, this invention provides an immersed pump configured in such a way that an impeller 7 is driven and rotated by a motor 2 to draw a liquid from a suction port 4A into a pump housing 3A and eject it from an ejection port 5. The suction port 4A is provided at the lower end of a body frame 1 or on the outer circumference of the upper end of the housing 3A, while the ejection port 5 is provided at the lower end of the housing 3A.