Matches 1 - 50 out of 286 1 2 3 4 5 6 >


Match Document Document Title
US20150078935 AIR COMPRESSOR  
In an air compressor, inner blades of a cooling fan are formed into a centrifugal type, and outer blades are formed into an axial flow type. Exterior air is sucked through a ventilating window by...
US20150144821 REAR ELECTROMAGNET FOR VIBRATING PUMP AND VALVES  
A rear electromagnet suitable for vibrating pumps and electrical valves. The rear electromagnet for vibrating pump and electrical valves, which is the subject of this invention, has features...
US20120148428 HYDRAULIC MODULATOR  
A hydraulic modulator including a motor having a motor housing, a stator, a rotor, and a motor shaft. A power transmitting mechanism is provided for transmitting the power of the motor to the...
US20100323372 IMMUNOASSAY ASSEMBLY AND METHODS OF USE  
The present invention relates to an improved system for efficiently and accurately performing immunoassays, such as ELISAs. The invention provides an immunoassay assembly which includes a...
US20150211504 BATTERY POWERED SUBSEA PUMPING SYSTEM  
A battery powered pumping skid system comprises a frame, comprising a battery compartment and an equipment compartment; a battery disposed within the battery compartment; a motor operatively...
US20130224051 COMPRESSOR AND VACUUM MACHINE  
A compressor includes: a cylinder; a piston arranged within in the cylinder; an outer rotor type motor causing the piston to reciprocate within the cylinder; an air pipe communicated with the...
US20140112806 PUMP ASSEMBLY  
A pump assembly for use in a selective catalytic reduction system, the pump assembly comprising: a pump sub-assembly defining a pump axis; and a housing sub-assembly including a cavity for...
US20110240766 VIBRATION ISOLATION IN A HANDHELD FLUID SPRAYER  
In one example, a handheld fluid sprayer is provided and includes a housing, an assembly having at least one of a motor and a fluid pump, and at least one assembly support feature. The assembly is...
US20120070324 Pump Assembly  
A pump assembly as a feedback pump of a hydraulic, slip-controlled vehicle brake system having a piston pump and an electric motor for driving it is disclosed. The electric motor is embodied as an...
US20140241918 OIL-PUMPING MACHINE  
Disclosed is an oil-pumping machine, which is characterized in that it is composed of a secondary sheave (5) of a wheel-cylinder type driven by an electric motor. The secondary sheave has a first...
US20130243609 LANCE PUMP HAVING VERTICALLY MOUNTED STEPPER MOTOR  
A pump includes a pump body and an elongate tube. The pump includes an elongate core slidably received in the tube, a stepper motor having a selectively rotatable output shaft extending vertically...
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...
US20080298988 Air pump having an adjustable interval between an electromagnetic device and an air chamber  
An air pump having an adjustable interval between an electromagnetic device and an air chamber includes at least a upper cap, a base, an electromagnetic device, an air chamber and a regulator. The...
US20050095140 Rod saver speed control method and apparatus  
A motor speed controller (100) identifies the position of a pump rod (14). At one or more critical positions of the rod, the motor speed controller (100) adjusts the speed of the motor to change...
US20090047153 HYBRID HYDRAULIC-ELECTRIC RAM PUMPING UNIT WITH DOWNSTROKE ENERGY RECOVERY  
A hybrid hydraulic-electric pumping unit (12) with downstroke energy recovery is disclosed which is operated in a conventional flow mode to supply hydraulic fluid to a hydraulic ram (26), and then...
US20140127058 PUMP DISCHARGE VALVE ASSEMBLY  
A plunger pump includes a housing with a discharge valve in communication with an outlet. The housing includes a bore that slidably accommodates a plunger. The housing also includes an inlet. The...
US20070134107 Feeding pump device of volume tube continually metering type  
A feeding pump device of volume tube continually metering type comprises: a volume tube (1) provided with metering volume section (11), a dragging mechanism (2), and an unilateral inlet valve (8)...
US20140105759 LINEAR PUMP AND MOTOR SYSTEMS AND METHODS  
A linear pump and motor system includes a motor, rotary-to-linear mechanism, pressure compensation device (PCD), and gas mitigation assembly. The rotary-to-linear mechanism may translate rotation...
US20110293449 ELECTROMAGNETIC PUMP  
A piston is slidably provided in a cylinder and partitions a first pump chamber, and a second pump chamber connected to an object to be operated. A first on-off valve is provided between the first...
US20150192116 Cryogenic Cooling Pump and Method  
A pump (10) for circulating a cryogenic coolant, comprising: a cylinder housing (14); a piston (16) received in said cylinder housing (14) for reciprocating in said cylinder housing (14) between a...
US20050220637 Fan shroud for pump  
A hydrostatic apparatus is disclosed. The hydrostatic apparatus comprises a pump, an input shaft, a fan and a fan shroud. The pump comprises a housing, an end cap, a first end and a second end....
US20060275159 Pump for fluid supply and method for supplying fluid  
The present invention includes a fixed member provided the drive motor, drive gear and transmission gear which move an output shaft of the drive motor in concert and a clutch mechanism having a...
US20140219819 RECIPROCATING POSITIVE DISPLACEMENT PUMP WITH ELECTRIC REVERSING MOTOR  
A pump system comprises an electric motor, a pump, a converter and a controller. The electric motor has a rotational output shaft that is rotatable in a first rotational direction and an opposite...
US20100001697 MECHANICAL FLOW BATTERY  
A mechanical flow battery comprises a flywheel system in which a spinning axis can be driven by an air-powered motor and the structure of the gyroscope is employed in the mechanical flow battery....
US20110042413 PISTON PUMP AND DRIVER THEREFOR  
A pump driver, a disposable pump cartridge for use with the pump driver and a beverage dispenser employing the pump drive are disclosed. The disposable pump cartridge comprises at least one barrel...
US20060110270 Rotation shaft, feeding device, motor and manufacturing method for rotation shaft  
A rotation shaft includes a spiral groove for feeding which is formed on the outer peripheral face of the rotation shaft and a plurality of fine recessed parts which is formed on a flank surface...
US20060051219 Pump comprising a shield valve controlled by the conveying medium  
A pump is provided having at least one shield valve controlled by the conveyed medium and having a valve disk (4) of flexible material which is clamped in a central region and is movable between...
US20140314593 PUMP  
A pump includes a drive assembly having a drive shaft rotatable about a drive axis, and an eccentric coupled to the drive shaft for rotation therewith. The eccentric includes a shaft portion...
US20110200457 PUMP DEVICE FOR THE HYDRAULIC ACTUATION OF A VALVE  
Pump device for hydraulically activating a valve in particular used for oil and gas exploration wherein such a valve may be a safety valve assigned to a riser or a tree, said pump device including...
US20140216064 EXTENDED TRAVEL FLEXURE BEARING AND MICRO CHECK VALVE  
Variations of the devices and methods disclosed herein pertain to an extended travel spiral flexure bearing having spiral arms, each of the spiral arms including an attachment point at the inner...
US20060275157 Electric compressor  
An electric compressor includes a shaft with a forward leading groove and a reverse leading groove both engraved on its outer wall. When a motor rotates forward, the forward leading groove pumps...
US20060171824 Compressor connecting rod bearing design  
An improvement to the oil supply grooves in connecting rods for compressors increases surface area in an upper bearing half. The upper bearing half transmits a force from a driveshaft to the...
US20060013711 Hermetic compresssor  
Outer circumferential shape of a balance weight is composed so that the distance between the outer circumference of the balance weight and the piston is substantially constant in the closely...
US20090097994 Cranked Rod Pump Apparatus And Method  
An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP)...
US20120257997 Air Compressor  
An air compressor includes a compressor body, an electric motor, and a gear mechanism that transmits power of the electric motor to the compressor body to prevent intrusion of dust into a casing...
US20070020125 Motor with eccentric part and pump device using the same  
In the present invention, without forming a rotational shaft (30) per se in an eccentric manner, the eccentric structure is provided to the whole structure including a ball bearing (50)....
US20050254972 Bench top pump  
A modular, expandable, no-tools pump assembly having precise computer control for controlling dispensing volumes and flow characteristics of the dispensed fluid.
US20110280751 AIR PUMP  
An air pump structured to facilitate the installation of a pair of pistons includes a casing (17) having a pair of cylinder chambers (14) slidably accommodating a pair of pistons (16),...
US20060269428 Hermetic-type compressor  
A hermetic-type compressor according to the present invention has a viscous pump part by combining a spiral groove formed on the outer periphery of a main shaft with the inner periphery of a main...
US20060216168 Driving device for an air compressor  
A driving device for an air compressor includes a base, a motor, a main gear, a subordinate gear, a shaft, a weight, and a driving arm combined with an air cylinder and a cylindrical member. When...
US20140270728 DOMESTIC APPLIANCE COMPRISING AN ACTUATOR  
The invention relates to a domestic appliance, such as a steam iron or a coffee making apparatus. Such appliances comprising a housing, a water reservoir, an actuator, for example, plunger pump...
US20140314594 PUMP  
A pump for use in low-profile applications comprises a barrel for holding fluid; and a piston that converts a rotational driving force into a longitudinal driving motion within the barrel. The...
US20120207628 SPRING-LESS BURIED MAGNET LINEAR-RESONANT MOTOR  
A spring-less buried magnet linear-resonant motor is provided. The motor includes a buried magnet system and a stator operable to produce an alternating magnetic field exerting alternating axial...
US20080080991 ELECTRICAL SUBMERSIBLE PUMP  
A method and apparatus for lifting fluids from a well is provided. In one embodiment, a pump assembly comprises a rotary motor adapted to actuate a reciprocating pump. The motor shaft of the...
US20100040490 Volumetric Infusion Pump and Method  
In a first embodiment, an electromagnetic pump has a housing including first and second spaced apart electromagnets. A controller for controlling the magnets and a power source for powering the...
US20120063936 MODULAR FLUID END FOR A MULTIPLEX PLUNGER PUMP  
A modular fluid end for a multiplex plunger pump, each module machined from a single-piece steel forging with a plunger bore intersected by a linear suction/discharge bore and pumped fluid is...
US20080292475 Driving Controlling Apparatus for Reciprocating Compressor and Method Thereof  
Driving controlling apparatus and method for a reciprocating compressor capable of stably driving a reciprocating compressor when a reciprocating compressor is operated or an output capacity of...
US20100111727 Solenoid actuator  
A solenoid actuator (1) attached to hydraulic equipment comprises a shaft (5) connected to the hydraulic equipment, a plunger (4) fixed to the shaft (5), a coil (12) which magnetically drives the...
US20060039807 Electrically powered compressor  
A compressor includes a motor driven by a controller and having a rotor and a stator, a compressing unit driven by the motor in a hermetic container in which refrigerant is filled. Driving the...
US20070224058 Linear compressor assembly  
A linear compressor assembly includes a housing having a bore formed therein, the bore being axially oriented along a first axis, a piston reciprocally disposed within the bore, and a plurality of...

Matches 1 - 50 out of 286 1 2 3 4 5 6 >