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US20110268588 CONTROLLER OF HYBRID CONSTRUCTION MACHINE  
Discharge energy of a rotation motor RM and a boom cylinder BC are used as an assist force for an electric motor MG. An assist motor AM and a sub pump SP driven by output of the electric motor MG...
US20060104823 Hydraulic pump with variable flow and variable pressure and electric control  
A pump system including a control system for controlling a variable flow pump for controlling oil flow and oil pressure in a hydraulic circuit in an engine. The system includes a pump member, an...
US20140093397 TRAILED AGRICULTURAL IMPLEMENT PUMP WITH HYDRAULIC FLOW RATE CONTROL  
A trailed agricultural implement is disclosed. The trailed agricultural implement includes a hydraulically-driven pump for moving a fluid at an actual fluid rate. An electro-hydraulic valve is...
US20130104631 PUMP FOR LIQUID CHROMATOGRAPH, AND LIQUID CHROMATOGRAPH  
A pump controller causes a first plunger pump and a second plunger pump connected in series or in parallel to perform intake and compression actions alternately at substantially constant cycles,...
US20070258824 ROTOR FOR VISCOUS OR ABRASIVE FLUIDS  
A rotor is disclosed comprising a drive disk and a plurality of driven disks in a stack, the stacked disks in spaced relationship along the rotational axis thereby forming inter-disk spaces. A...
US20130266465 HIGH-PRESSURE PUMP  
A high-pressure pump includes a plunger capable of reciprocating, and a housing having a pressurizing chamber in which fuel is pressurized by the plunger, and a fuel chamber through which the fuel...
US20090112312 Intravascular ventricular assist device  
One aspect of an intravascular ventricular assist device is an implantable blood pump where the pump includes a housing defining a bore having an axis, one or more rotors disposed within the bore,...
US20090090432 DEPOSITOR SYSTEM  
A dispensing device for supplying measured quantities of batter to baking containers, and a method of operating such device use a peristaltic pump driven by a servo-motor drive. The peristaltic...
US20130243629 PUMP HAVING A PUMP CYLINDER  
A pump, in particular for a vehicle brake system, includes a pump piston which is guided displaceably in a pump cylinder. The pump cylinder is produced by deep drawing.
US20100284834 Air Operated Diaphragm Pump With Electric Generator  
An air operated double diaphragm pump comprises an integrated electric generator and an air efficiency device. The integrated electric generator increases the portability of the air operated double...
US20120244012 Apparatus for Controlling Electric Oil Pump  
The invention in one aspect, provides an apparatus for controlling an electric oil pump that can determine the occurrence of idling even in a region in which determination based on a load of the...
US20140044578 POWDER PUMP FOR CONVEYING COATING POWDER  
The invention relates to a powder pump (100; 100′) for conveying coating powder, the powder pump (100; 100′) having a powder chamber (10; 10′) with a casing tube (1; 1′) and a gas-permeable filter ...
US20050173995 Stator for reciprocating motor  
A stator for a reciprocating motor comprises: a first stator provided with a winding coil; and a second stator inserted with a predetermined air gap from the first stator and molded by powder...
US20080175734 TUBE RETAINER SYSTEM  
A retaining assembly comprising a base and a retainer comprising a wall and a notch in the wall. The notch in the wall has an arcuate first portion and an arcuate second portion that converge at a...
US20060204372 Apparatus for the distribution of pump-fed concrete to a plurality of casting areas  
The invention relates to an apparatus for the distribution of concrete fed by a pump to a plurality of casting areas in building sites, tunnels, wells, and the like, consisting of a single...
US20110123374 COMPENSATOR ASSEMBLY FOR SUBMERSIBLE PUMP SYSTEM  
A submersible pump system with a pump, motor and compensator assembly. In one embodiment, the compensator assembly is made up of multiple elastomeric compensators and a housing. The elastomeric...
US20120237360 Electric Vacuum Pump Backup Control System and Method  
An electric vacuum pump backup control system includes a brake on/off switch, a primary electric vacuum pump control interfacing with the brake on/off switch, a secondary electric vacuum pump...
US20060245949 Electromagnetically bonded pumps and pump subassemblies and methods of fabrication  
Example embodiments of piezoelectric pumps and subassemblies for pumps (including diaphragm pumps, both piezoelectric and non-piezoelectric) are formed with structure and/or materials suitable for...
US20120321488 PORTABLE AIR COMPRESSOR  
A wheelbarrow compressor has a resting position and a transport position. First and second reservoirs contain a compressed fluid, and the second reservoir is fluidly separate from the first...
US20090087328 PULSE GENERATING DEVICE  
A pulse generator has a rigid body with a resilient flow conduit passing therethrough. Pressure is periodically selectively applied to the interior of the body which compresses the flow conduit and...
US20070231159 Flexible drive pump  
A two-stage pump device features a main pump for pumping a fluid; and a priming pump coupled to the main pump via a length of flexible hose, the priming pump having a propeller for feeding the...
US20090155104 CONTRA-ROTATING AXIAL FLOW FAN UNIT  
An axial flow fan unit includes an intake side axial flow fan, an exhaust side axial flow fan, and at least one intermediate axial flow fan. Each of the axial flow fans includes an impeller having...
US20110150669 Non-Propeller Fan  
A fan that moves a fluid that includes a flexible membrane with a length defining a long axis that includes at least two supported ends, a support structure that supports the supported ends of the...
US20130167697 ULTRA HIGH PRESSURE PUMP  
An ultra high pressure pump comprising a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal...
US20130149174 CONTROL CIRCUIT FOR A VARIABLE VANE OIL PUMP  
A control circuit for a variable vane oil pump of an automatic transmission vehicle may include the variable vane oil pump supplying a working fluid for controlling the automatic transmission, a...
US20120100009 PUMP CONTROL DEVICE AND PUMP DEVICE  
A pump control device for a pump device having a DC brushless motor as a drive source and a flow rate of the pump device is increased and decreased depending on a corresponding increase and...
US20090000790 Short stroke piston pump  
A short stroke piston pump for recovering oil and/or water from marginal stripper wells, tar sands and coal beds includes a motor connected to one end of a drive rod, the motor capable of moving...
US20050163638 Apparatus for control of differential pressure in a heating and cooling system  
The invention relates to an apparatus (1) for controlling the pressure difference in a heating or cooling system, which comprises a heating or a cooling source (2) and a feed duct (3) as well as a...
US20130189128 COMPRESSION SYSTEM  
A compression system, which includes an oil separator vessel, a suction separator supported by the oil separator, a compressor supported by the oil separator vessel, and a driver operatively...
US20110129362 WATER-INJECTION TYPE SCROLL AIR COMPRESSOR  
Disclosed is a water-injection type scroll air compressor whose pre-stopping operation time for drying can be reduced while enhancing compressor efficiency. The compressor body 1 includes a water...
US20060127245 Pump  
A vacuum pump having a high corrosion resistance is disclosed. A member constituting the vacuum pump is composed of aluminum or an aluminum alloy, and the surface of the member is subjected to a...
US20140030115 System and Method for Motor Drive Control Pad and Drive Terminals  
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive...
US20120164001 VARIABLE CAPACITY OIL PUMP  
The invention relates to a wind turbine being provided with a fluid displacement means for ensuring a certain increased pumping capacity at a certain reduced rotational speed of the main shaft of...
US20070286754 Circulation pump and method for production of a circulation pump  
To provide a circulation pump comprising a housing, in which a pump space is arranged, a pump impeller, which can be rotated about a rotational axis, and an electric motor to drive the pump...
US20130294928 DUAL PUMP AND MOTOR WITH CONTROL DEVICE  
The present pump devices provide a dual pump using two (or more) electric motors (e.g. brushless DC motors) driving the pumps independently, including integration of hydraulic and electrical...
US20110189035 INTEGRATED-INVERTER ELECTRIC COMPRESSOR  
An object is to achieve a compact design by using a dead space in an inverter box effectively, to improve cooling properties of heat-generating electrical components disposed on a control circuit...
US20110116943 STATOR STRUCTURE, AND MOTOR AND FAN ASSEMBLY USING SAME  
A fan assembly includes a stator and a rotor. The stator is located in a fan frame and includes a base, at least one magnetizing winding provided on the base at a first relative position relative...
US20120275927 Water-leak Damage Prevention System Utilizing A Unitized Tank Collection Flange Reservoir System  
Abstract of Disclosure The present invention is a method means of preventing water-leak damage to any hot water system providing means, or any water storage means such as washing machines, water...
US20120301327 METHOD FOR VARYING THE DURATION OF A SUPPLY STROKE OF A PUMP ELEMENT, AND A PUMP DEVICE  
A pump device is operated according to a method for varying the duration of a supply stroke of a pump element, the supply stroke of which is actuated by a rotatably driven pump shaft (P) over a...
US20120219434 HEATING AND COOLING APPARATUS  
As exemplified, a portable air blowing appliance includes a housing retaining an airflow-producing electric motor-driven blower. The blower is adapted when energized for operation in either a first...
US20090291005 MANUAL PUMP FOR DISPENSING LUBRICANTS  
A manual pump for lubricant fluids having a body capable of mounting a removable color scheme to identify a particular fluid within the drum for managing customized fluid identification labels and...
US20070114162 Control algorithm of variable speed pumping system  
A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive...
US20110052416 Variable Speed Pumping System and Method  
A variable speed pumping system and an associated method for moving water of an aquatic application. The variable speed pumping system includes a water pump for moving water in connection with...
US20110044823 Variable Speed Pumping System and Method  
A variable speed pumping system and an associated method for moving water of an aquatic application. The variable speed pumping system includes a water pump for moving water in connection with...
US20080085201 Compressor system and frame  
A reciprocating compressor is provided. In one embodiment, the reciprocating compressor includes a frame having a central body and a crosshead guide extending from the central body. The compressor...
US20130022484 HIGH-PRESSURE PUMP  
A high-pressure pump (1), which serves in particular as a radial or inline piston pump for fuel injection systems of air-compressing, auto-ignition internal combustion engines, comprises a cylinder...
US20110097220 WAVE ACTUATED PUMP AND MEANS OF CONNECTING SAME TO THE SEABED  
A pumping apparatus designed for the purpose of economically harvesting the energy of the waves on the surface of a body of water and converting such energy into hydraulic power which may be...
US20090178803 METHOD OF HEATING SUB SEA ESP PUMPING SYSTEM  
A system and method is provided for heating fluid to be pumped by an electrical submersible pumping system. Heat for heating the fluid may be inductively generated by adjusting the power delivered...
US20110194956 MECHANISM FOR SEALING PFA SEAL BAGS  
A seal section for use in a downhole submersible pumping system includes a housing, a bag support tube extending through the housing, a shaft positioned inside the bag support tube and a bag plate...
US20120110715 AIR EMITTING DEVICE FOR A COSTUME  
An air emitting device for use with a costume to create the illusion that air is being emitted from an anatomical body part. A wearable housing contains a source of air within the hollow...