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7621726 |
Metering pump
A metering pump, especially for feeding fuel to a vehicle heater, comprising a delivery plunger ( 50 ), which can be moved to and fro for delivering liquid medium, a guide sleeve ( 42 ), which...
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7544051 |
Cam-driven fluid pump
A pressurisation pump is provided comprising a first plunger and a second plunger, each plunger being reciprocable within a respective plunger bore defined by a housing, wherein the first and...
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7374019 |
Method of and device for lubricating rolling bearings
There is provided a lubricating method for a rolling bearing assembly capable of achieving a reliable lubrication and exhibiting a stable temperature rise. The method is for supplying a lubricant...
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7354255 |
Piston vibratory pump
The present invention is an improved vibratory pumping mechanism that increases the efficiency of utilization of the vibratory motion within a mechanism. More specifically, the mechanism includes a...
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7287967 |
High-pressure pump having small initial axial force of a clamping bolt
A high pressure pump for preventing distortion of a sealing surface or a cylinder form. The high pressure pump has an intermediate member including a cylinder body having a pressurizing chamber...
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7033143 |
Pumping system with clutch and associated by-pass
This invention relates to a pumping system. The design of the system is such that bi-directional operation can be achieved using a significantly smaller and hence lighter unit than those currently...
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7025323 |
Low power integrated pumping and valving arrays for microfluidic systems
Low power integrated pumping and valving arrays which provide a revolutionary approach for performing pumping and valving approach for performing pumping and valving operations in microfabricated...
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6986651 |
Pump priming apparatus
A pump priming apparatus including a housing through which fluid object material may be urged to flow, the housing including an intake portion and a pumping portion downstream from the intake...
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6968815 |
Actuating device for securing a camshaft of an engine of a motor vehicle in a start position
An actuating device for hydraulically securing a camshaft of an engine of a motor vehicle in a start position has a solenoid valve controlling the flow of a pressure medium to a camshaft adjuster...
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6843641 |
Radial piston pump
A radial piston pump for generating high fuel pressure in common rail fuel injection systems of internal combustion engines having a drive shaft which is rotatably supported in a pump housing and...
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6749402 |
Nutating pump, control system and method of control thereof
A fluid dispense system having a computer control system that operatively controls a stepper motor driving a pump. The stepper motor actuates the pump piston through partial revolutions. The...
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6733256 |
Device for producing consumables
The invention relates to a device for producing consumables, especially filled chocolates that consist of a coated filling. The aim of the invention is to provide a device for feeding substances of...
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6719542 |
Pump for printing press
A pump for a printing press includes a plunger within a cylinder to be rotatable and reciprocatable and having a cutaway portion at its distal end, and a constant-speed motor for rotating and...
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6651630 |
High pressure fuel pump
In order to provide a method for high volume and high pressure operation of a variable delivery type single cylinder plunger pump, the displacement of the piezoelectric element 20 is magnified by...
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6517331 |
Oil inlet for a wobble plate pump
A displacement pump includes a rotatable drive shaft; a low-pressure hydraulic fluid reservoir; at least one piston containing a piston cavity; and a drive plate connected with the drive shaft. The...
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6517330 |
Reciprocating pump
A reciprocating pump includes a chamber, a reciprocating member arranged to induct a fluid into the chamber and discharge the fluid from the chamber to a delivery side of the pump, and a...
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6461117 |
Reversible volume oil pump
A fluid pump is provided that produces an outflow of fluid that is not proportional to the speed of the input drive. Thus, the fluid pump can be tuned to provide a substantially constant outflow of...
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6398513 |
Fluid dispensers
A fluid dispense system having a computer control system that operatively controls a stepper motor driving a nutating pump. The stepper motor actuates the nutating pump piston through partial...
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6394772 |
Oil transfer pump
It is an object of the invention to provide a pump which comprises a body having an outlet recess and an oil inlet and an outlet, and an eccentric run by a motor, the eccentric moving by means of...
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6354820 |
Pump
For the purpose of providing a thin pump designed to decrease the number of parts, the pump is provided with a rectangular parallelepiped cylinder ( 3 ) and a piston located inside of the cylinder,...
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6336443 |
Injection pump
An injection pump for generating high fuel pressure in fuel injection systems of internal combustion engines, having a pump piston, which reciprocates in a cylinder having a control bore in order...
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6299419 |
Reciprocating diaphragm pump with packless piston-cylinder unit
This invention provides a sealing mechanism for sealing the piston-cylinder unit of a reciprocating diaphragm pump to ensure that the piston-cylinder unit is permanently and reliably sealed while...
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6171070 |
High-pressure reciprocating pumps
A high-pressure reciprocating pump is constructed such that a plurality of plungers connected to a driver are made to move back and forth and intake channels or discharge channels are opened and...
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6152708 |
Fuel injection pump for an internal combustion engine
A fuel injection pump for internal combustion engines, is proposed, with a distributor pump piston (6), which is supported in a housing bore (5) and on its jacket face, has a distributor groove...
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6116870 |
High pressure pump with solenoid operated valve
A high pressure pump which has a working chamber, which on the one hand, is connected to a low pressure circuit via a solenoid valve and on the other hand, is connected to a high pressure reservoir...
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5951259 |
Reciprocating pump with improved primer element and method
A reciprocating pump, including: a hollow tube having a first end; a hollow foot valve connected to the tube, the tube and foot valve defining a chamber, said foot valve having a first foot valve...
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5779454 |
Combined pressure surge fuel pump and nozzle assembly
Disclosed herein is a fuel pump comprising a housing including therein a high pressure fuel chamber, a fuel outlet valve communicating with the high pressure fuel chamber and being operable to...
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5775885 |
Combination suction manifold and cylinder block for a reciprocating compressor
A hermetically sealed reciprocating refrigeration compressor has a suction gas arrangement including a suction gas plenum formed integral with a cylinder block for supplying suction gas directly to...
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5741126 |
Valveless metering pump with crisscrossed passage ways in the piston
A valveless positive displacement pump with a closed end cylinder has fluid inlet and outlet ports adjacent to the closed end. A piston is reciprocally and rotatively driven in the cylinder. The...
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5711615 |
Antifriction bearing
The present invention relates to an antifriction bearing with an external lubricant supply system, which includes a lubricant duct which extends through the outer ring or inner ring of the bearing,...
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5662023 |
Replaceable cylinder piston assembly for a lubricator pump
A lubricator pump having a replaceable cylinder piston assembly is disclosed for replacement or interchangeability with cylinders having different piston sizes. The interchangeability of the...
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5645406 |
Transmission assembly with positive-displacement pump with suction throttle driven by a hydrodynamic converter
A gear for motor vehicles provided with a positive-displacement pump for supplying a lubricating device and the control and activating devices of the gear. The positive-displacement pump is driven...
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5567134 |
High-pressure fuel-feed pump
A protruding portion is formed integrally on a lower portion of a cylinder so as to protrude from the cylinder. A seal member has a tubular shape with an end. A hole is disposed at the end. Around...
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5562428 |
Fuel injection pump having an adjustable inlet poppet valve
A fuel injection pump driven by an electric coil, the pump including a poppet valve slidable within a fuel passage in an armature structure and relative thereto in response to movement of the...
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5556263 |
Volumetric pump and value
A volumetric pump and fluid control valve system for controlling the flow of fluid which comprises a housing containing an interior cavity, an elongated valve shaft is disposed inside the cavity,...
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5538407 |
Proportioner and fluid proportioning system
Fluid proportions system for proportioning a fluid intermittently at various places. This fluid comes from a storage point and is added by an intermittently operating pump to a proportioner, which...
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5527164 |
Positive-displacement pump with inlet float chamber
A fluid valve device for on-off control of fluid flow through a passage extending between two fluid ports (12, 15) and including a valve seat (17A) comprises a hollow valve member (21) which is...
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5522710 |
Flowthrough manifold assembly for a linear pump
There is presented a manifold assembly for a linear pump, the assembly inding a tubular manifold for attachment to an outlet portion of the pump, the manifold having therein a central bore...
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5517973 |
Fuel pump
A fuel injection pump includes a pump barrel (12) against (12) against which is located in sealing relationship a valve block (22). A plunger (15) is reciprocably mounted in a bore (14) in the...
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5478213 |
Fuel injection pump
A fuel injection pumping apparatus has a cam (9) actuated reciprocable plunger (13) housed in a bore (11) into which fuel flows from a fuel supply (7,14). An outlet (12) extends from a pumping...
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5407332 |
High suction intake wiper
In a priming piston loading double acting pump for high viscosity materials, the shovel plate assembly is formed of a flexible, abrasion resistant disk or cup. The disk may be made from silicon...
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5403166 |
Drain flushing device with top mounted funnel shaped liquid inlet cavity
A drain flushing device for allowing a user to unclog a drain in either of two modes. The user is given the option to either use the device as a liquid column guide or as a pump.
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5358389 |
Two-stage compression vacuum pump having valved piston and power limiting valve
This invention relates to a vacuum pump. The pump includes a pump housing (10) having upper and lower cylindrical, partly liquid filled, compression chambers (11 and 12 respectively) which are...
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5350282 |
Pneumatic tin sucker
A pneumatic tin sucker having a sucking nozzle connected with a connecting tube connected with a lower inlet chamber of a control tube, and a compressed air tank deposited in an upper chamber of...
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5322423 |
Fuel injection pump for internal combustion engines
A fuel injection pump for internal combustion engines having a pump piston driven to reciprocate by a cam drive, guided axially in a cylinder bore of a cylinder bush in which with one face end the...
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5322418 |
High pressure liquid pump apparatus and pumping method
A liquid pumping apparatus and pump method is provided in which a reciprocal drive piston is carried in a pump body and is reciprocated back and forth by a mechanical power source such as a...
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5316454 |
Fluid pump and rotary machine having said fluid pump
An inexpensive, efficient pump which can supply lubricating oil uses the revolving motion of an orbiting scroll 2. The pump is so constructed that a piston supported by a fixing member 1 is fitted...
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5286178 |
Fuel injection pump for internal combustion engines
A fuel injection pump for internal combustion engines, having a pump piston that is guided axially and rotationally movably in a cylinder bore of a cylinder liner and that with a face end defines a...
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5244363 |
Low blow-by compressor
A low blow-by compressor has a piston with at least one first ring disposed at the top end thereof and at least one second ring disposed at the bottom end thereof. A port is formed in the cylinder...
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5201297 |
Method and apparatus for controlling a high-pressure fuel pumping time in a fuel injection pump
It is possible in a simple manner, especially in distributor injection pumps, to attain quiet combustion in the idling range of a Diesel engine, without modifying the basic construction of the fuel...
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