Matches 1 - 50 out of 188 1 2 3 4 >


Match Document Document Title
US20060275160 PUMP IMPROVEMENTS  
A pump has a boltless cover that is held on the end of a housing of the pump by only a compressed ring between the cover and the housing. The pump has a flageless valve plate, meaning that the...
US20100272590 MOTORIZED VACUUM/PRESSURE PUMP AND STOPPER  
A pump and stopper combination for vacuum or pressure sealing a container. The stopper has a pour opening and a one-way valve movable between an operative position to permit one-way flow of fluid...
US20050238507 FLUID DELIVERY DEVICE  
A fluid delivery device may include a fluid driving mechanism for driving fluid out of a reservoir and an actuating mechanism for actuating the driving mechanism. The fluid delivery device may...
US20050069431 Piston mounting and balancing system  
A compact 180° opposed piston pump/compressor minimizes axial spacing between its pistons on the drive shaft and has mass-balanced pistons designed to reduce the shaking couple and noise from...
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...
US20080009815 Vacuum Control System For A Breast Pump  
A closed-loop vacuum control system for a powered breast pump is the subject of the present disclosure. The vacuum control system includes a source of vacuum for applying a vacuum to a milk...
US20050100458 Pump with transfer tube  
A pump uses tubular transfer members for transferring intake and/or exhaust air into the crankcase and/or between valve head chambers. The pump has compact 180° opposed pistons that minimize axial...
US20160076526 Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Drive Mechanism  
A high pressure pump including a linear actuator comprising a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially...
US20080008609 POSITIVE DISPLACEMENT PUMP SYSTEM AND METHOD  
Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid...
US20050220639 Extrusion-type liquid delivery apparatus  
An extrusion-type liquid delivery apparatus according to the present invention comprises: a plunger mover to move a plunger; a plunger mover driver to move the plunger mover; a pair of hooks...
US20060024181 Reciprocating compressor and manufacturing method thereof  
The present invention discloses a reciprocating compressor and a manufacturing method thereof. The reciprocating compressor includes a frame installed in a casing, an outer stator having a winding...
US20150004025 LINEAR COMPRESSOR  
A linear compressor is provided that may include a shell provided with a refrigerant inlet; a cylinder provided inside of the shell to form a compression space; a piston that reciprocates inside...
US20060093498 Linear compressor  
Disclosed herein is a linear compressor in which a bonding position of a muffler can be accurately determined when the muffler is bonded to a fixing plate so that a center axis of a discharge...
US20050271526 Reciprocating compressor, driving unit and control method for the same  
A driving unit and control method for a reciprocating compressor for controlling a frequency of input power so that an operational frequency of the compressor follows a resonant frequency, which...
US20050238514 Metering pump arrangement and method for its production  
A metering pump arrangement has a container with a changeable volume for accommodating a fluid. The arrangement has a pump that can be connected with the container in a sealed manner, which can be...
US20050201880 Positive-displacement reciprocating compressor  
A positive-displacement reciprocating compressor, comprising a plunger slidingly coupled inside a cylinder, in which a compression chamber is obtained, and operatively connected to driving means...
US20120193845 COMPRESSOR AND AIR SUSPENSION APPARATUS USING THE SAME  
A compressor has a brush motor having a coil and brushes, a motor housing accommodating the brush motor, and a reciprocating compressor body in which a crank is rotationally driven by the brush...
US20140058190 SYSTEM AND METHOD FOR CONTROLLING PUMP  
Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid...
US20050112001 Reciprocating piston drive mechanism  
A reciprocating piston drive mechanism, especially for a reciprocating piston vacuum pump, includes a cylinder (3) embodied in a housing (12). A piston (4) is moved back and forth in the cylinder...
US20140318365 RESTRICTOR AND PRODUCTION PROCESS OF A FLUID LEAKAGE RESTRICTOR FOR AEROSTATIC BEARINGS  
Restrictors (16,17) for aerostatic bearings capable of ensuring a constant flow, regardless of their size and dimensional tolerance, such that the gas flow is adjusted by deforming their internal...
US20060093495 Linear compressor  
Disclosed herein is a linear compressor having a stator cover, which is designed in such a fashion that a section of the stator cover not to be fastened with bolts has a curvature smaller than the...
US20060159569 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...
US20160294306 PIEZOELECTRIC DRIVING DEVICE, ROBOT AND PUMP  
A piezoelectric driving device includes a piezoelectric element, which has a first electrode layer, a piezoelectric body layer that is provided above the first electrode layer, and a second...
US20150300340 CONTACT MEMBER, SLIDE MEMBER, COMPRESSOR COMPRISING CONTACT MEMBER OR SLIDE MEMBER, AND MANUFACTURING METHOD OF COMPRESSOR  
A contact member or a slide member of the present invention comprises a surface treatment film (160) including two or more coating layers stacked together, in at least a portion of a contact...
US20060120898 Starting method for a piston compressor and piston compressor  
In an effective method for starting a piston compressor which is easy to implement, and a piston compressor suitable for carrying out the method, there is provision, in a resetting phase, for...
US20050214130 Multidimensional pump apparatus and method for fully automated complex mixtures separation, identification, and quantification  
A fluid pumping system can be operated in dual control modes: as a syringe pump for nano-flow solvent delivery; and as a reciprocating pump for micro- and analytical flow solvent delivery. The...
US20070025864 Hermetic compressor  
A hermetic compressor includes: a hermetic container having an oil sump defined in a bottom thereof; a frame arranged in the hermetic container and including a hollow portion; a rotating shaft...
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....
US20050201875 Linear compressor  
A linear compressor having a dynamic vibration-reducing unit, which is provided at a stopper, by which separation of a cylinder block is prevented, for eliminating vibration generated from a...
US20060257274 Hermetic compressor  
A hermetic compressor including a housing containing oil and a compression mechanism for compressing a refrigerant gas. In this configuration, a cylindrical piston has under cuts which do not...
US20060104833 Fan guard having channel to direct cooling air to a piston cylinder  
A pump includes a housing, a shaft supported by the housing, a piston assembly, a fan blade, and a fan guard. The piston assembly includes a piston cylinder and is operably coupled to the shaft....
US20130343918 HYDRAULIC PUMP WITH SOLID-STATE ACTUATOR  
A hydraulic pump includes a port and a piston assembly fluidically coupled to the port. The piston assembly includes a piston and a solid-state actuator, where a shape change of the solid-state...
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...
US20160272181 PUMP STRUCTURE OF ELECTRIC INTEGRATED HYDRAULIC BRAKE DEVICE  
The present invention relates to a pump structure of an electric integrated hydraulic brake device, and more particularly, to a pump structure of an electric integrated hydraulic brake device,...
US20120003104 PIEZO-CONTROLLED AND-OR PRESSURE RIPPLE COMPENSATING FLUID SEPARATION PUMP  
An embodiment discloses a fluid pump for use in a fluid separation system for separating compounds of a fluidic sample in a mobile phase, the fluid pump comprising a reciprocatable piston...
US20050191194 Low power electromagnetic pump having internal compliant element  
An electromagnetic pump having a pump body having a fluid containing interior and an inlet and outlet. An accumulator positioned in the fluid containing interior and in fluid communication with...
US20080304984 Therapeutic device  
A handheld device includes a casing having a cylinder presenting an opening for placement upon a user's skin. A motor is housed within the casing. A piston driven by the motor oscillates within...
US20150226210 LINEAR COMPRESSOR  
A linear compressor is provided. The linear compressor includes a piston. The piston includes a piston cylinder having a head plate. The head plate defines a passage that extends through the head...
US20110256005 MOTOR DRIVE DEVICE AND ELECTRIC EQUIPMENT UTILIZING THE SAME  
Brushless DC motor (4) is driven based on a first or second waveform signal output from switching determination unit (11), which switches outputting so that a first waveform signal by first...
US20070020127 Hermetic type compressor  
A hermetic type compressor that includes a cylinder having a compression chamber with a cylinder head coupled to the cylinder to seal the compression chamber. A fastener fastened to the cylinder...
US20080145245 Compressor for tire inflating combination  
An air compressor device includes a piston slidably engaged in a cylinder housing and having an outer peripheral groove formed by a base peripheral surface and two side surfaces, to form an outer...
US20060104837 Air compressor shroud assembly  
The present invention generally relates to the field of air compressors and particularly to a shroud assembly for use with air compressors. An aspect of the present invention is directed to a...
US20050276705 Positive displacement pump having piston and/or liner with vapor deposited polymer surface  
A metering pump for providing relatively small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within...
US20050260083 Linear motor and linear compressor having the same  
A linear compressor comprising a linear motor. The linear motor comprises an outer core fixed to a cylinder block in such a fashion that it is spaced apart from a piston to surround it, a coil for...
US20090191073 MAGNETIC PUMPING MACHINES  
Magnetic pumping systems and methods of pumping using such systems are disclosed. In one embodiment, a system for pumping fluid comprises: a substantially cylinder-shaped pump housing (200); a...
US20070059189 Hermetic compressor and manufacturing method of suction muffler  
This relates to a hermetic compressor and a manufacturing method of a suction muffler, and discloses a technique for making energy efficiency higher and reducing noise. According to that...
US20100212303 DEVICE FOR INJECTING AN ADDITIVE INTO THE EXHAUST SYSTEM OF MOTOR VEHICLE  
Device for injecting a liquid additive including an additive tank connected by an additive pipe to an injector positioned in the exhaust system of the vehicle concerned, where there is provided,...
US20080199333 Compressor Unit  
A compressor unit has a motor and a reciprocating-piston compressor which is driven via a slider-crank drive. The slider-crank drive includes a crank wheel and a connecting rod, which is connected...
US20050191193 Air compressor for tire inflating combination  
An air compressor device includes a piston slidably engaged in a cylinder housing and having an outer peripheral groove formed by a base peripheral surface and two side surfaces, to form an outer...
US20050089416 Hermetic compressor  
A hermetic compressor, in which a plurality of oil slots are formed on a bearing seat that seats a thrust bearing therein. During an operation of the hermetic compressor, oil flows through the...

Matches 1 - 50 out of 188 1 2 3 4 >