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7572106 |
Ink pumping apparatus for printing press and ink leak preventing method
It is intended to prevent ink from leaking through the ink outlet of the ink rail while the printing press is at halt. To achieve this object, a motor control section 40 shown in FIG. 4 ...
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7032375 |
Secondary air supply system
In the disclosed secondary air supply system, an on-off valve ( 13 ) is driven by the discharge pressure of an air pump ( 12 ). A diaphragm chamber ( 44 ) is arranged in the neighborhood of a...
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6974312 |
Pumping element for hydraulic pump
A pumping element for a hydraulic pump is provided. The pumping element includes a cylinder forming a compression chamber and having a discharge port. A piston having a pressure surface, a spill...
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6901911 |
Pump and hydraulic system with low pressure priming and over pressurization avoidance features
A hydraulic system, such as a fuel injection system, includes a fixed displacement pump with at least one pump piston. A sleeve surrounds each pump piston and provides the method by which fluid...
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6764284 |
Pump mount using sanitary flange clamp
A metering assembly includes a motor removably coupled to a pump using a flange clamp. An annular connection flange is provided at one end of the motor housing; and a cooperating annular connection...
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6662784 |
Pump assembly, valve and method
A pump assembly flows pressurized engine oil to HEUI fuel injectors in a diesel engine. The assembly includes an inlet throttle valve which controls the volume of oil flowed to the pump dependent...
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5603609 |
Variable delivery swash plate pump having a piston located spill port
An axial piston pump has multiple pistons and cylinders with a spill port in each piston. A sleeve controls venting from the spill port and an inlet is provided to each cylinder, by way of a check...
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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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5226794 |
Fuel injection pump for internal combustion engines
A fuel injection pump having a pump piston in a bore of a pump cylinder, wherein the pump piston is rotatable for fuel control, and having a niche disposed in the pump cylinder for receiving a...
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5046928 |
Long term compressor control apparatus
In a compressor control system, a subcontroller is coupled with the master-controller in order to detect, when the bypass valve is being modulated, whether there is a deviation between the minimum...
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RE32965 |
Fuel injection pump for internal combustion engines
A fuel injection pump is proposed for internal combustion engines having a pump piston having a blind bore and two control bores and in which the fuel quantity to be supplied is controlled by means...
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4778358 |
Fuel injection pump
Fuel injection pump with a cam drive 3 effecting the feeding movement of a pump piston 1 which is provided with a rotating part 1,2 being rotationally connected with the pump piston 1 and a drive...
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4732546 |
Adjusting device for a fuel injection pump
An adjusting device for a fuel injection pump having a plug connection for connection with a control unit. In order to attain sealing off of the plug connection in the vicinity of its passageway...
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4714412 |
Fuel injection pump for internal combustion engines
A fuel injection pump which has a shutoff device for the fuel supply to the pump work chamber, comprising a magnetic valve, which controls an intake bore to the work chamber of the fuel injection...
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4597371 |
Fuel injection apparatus for two-stroke engines
The invention is directed to a fuel injection apparatus for two-stroke engines and is especially for small engines of high-speed tools such as motor-driven chain saws, for example. It provides for...
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4593668 |
Injection rate controller for fuel injection pump
An injection rate controller for a fuel injection pump comprises first and second valve ports formed in a pump housing so as to communicate with each other through a connection aperture, a spool...
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4572137 |
Distributor type fuel injection pump
A distributor type fuel injection pump of the present invention is of the Lucas type having a rotor rotatably driven by an engine but not reciprocated. Spill ports of the same number as that of the...
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4561398 |
Injection pump regulator systems for internal combustion engines
A fuel injection pump, particularly of the distributor type in which a piston is driven with reciprocating and rotary motion in order to effecting a combined action of pumping and distribution to...
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4537170 |
Distribution type fuel injection pump
In a distributor type fuel injection pump in which fuel is sucked and pressurized by a reciprocating and rotating plunger, and the pressurized fuel is fed under pressure to each fuel injection...
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4526145 |
Fuel injection quantity adjustment apparatus for fuel injection pump
A pair of solenoids are disposed coaxially with and around a hollow cylindrical cut-off valve. The valve includes an inner non-magnetic sleeve and an outer permanent magnet sleeve. The cut-off...
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4499883 |
Distributor type fuel-injection pump for distributing fuel to cylinders of an internal combustion engine
A distributor type fuel-injection pump according to the present invention is provided with a rotor which is rotated by an engine. The rotor has a pair of plungers slidable in the radial direction...
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4470763 |
Fuel injection control system
An electrical motor controls the movement of a slider threaded over a threaded shaft of the motor. A sensor detects the position of the slider along the threaded shaft to control the movement of...
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4469068 |
Fuel injection apparatus
A fuel injection apparatus injects a high-pressure fuel to each combustion chamber of an internal combustion engine. The fuel injection apparatus is provided with an accumulator which controls an...
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4461259 |
Distributor type injection pump for feeding fuel to an internal combustion engine
The invention relates to an injection pump of the piston-distributor type which is mobile with reciprocating and axial rotary motion, and comprises a discharge chamber. Said chamber is maintained...
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4449504 |
Distributor type fuel injection pump
A distributor type fuel injection pump has an accumulator. When an internal combustion engine is in low-speed rotation or in low-load operation, the accumulator accumulates part of the fuel...
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4431381 |
Variable volume hydraulic pump
A variable volume pump for satisfying the requirements of a hydraulic system while absorbing excess fluid volume when the full volume of fluid displacement from the pump is not required by the...
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4426969 |
Overspeed safety means for fuel injection pumps of internal combustion engines
An overspeed safety means for fuel injection pumps of internal combustion engines in which an electrically actuatable valve is retained by an electromagnet provided in an electrical circuit in an...
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4389167 |
Pump having membrane actuated control valve to unload slave actuated inlet valve
In an hydraulic system an unloader valve is disposed in a supply line between a pump and an hydraulic accumulator. The unloader valve is operative to prevent the accumulator from being overcharged...
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4284047 |
Apparatus for controlling the air-fuel quantity ratio in internal combustion engines
An apparatus for controlling the ratio of air to fuel quantity of the operational mixture to be introduced into the combustion chambers of an internal combustion engine which includes an air flow...
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4069799 |
Injection pump
A multiple plunger injection pump for an internal combustion engine, in which plungers are arranged in alignment in one line. A housing which holds the governor within chambers, is arranged so that...
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4050856 |
Dash pot arrangement for distribution-type fuel injection pump cut off barrel
In one form of the invention, a rotatable and axially slidable plunger mounted within a fixed cylindrical plunger barrel forms with the barrel the casing bore and a spring biased...
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3910724 |
Fuel injection pump for internal combustion engines
What follows is a description in exemplary form of an improved fuel injection pump which includes a pump piston, a pump working chamber, a relief channel operatively associated with the working...
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3827832 |
MEANS FOR REDUCING FUEL DELIVERY OF FUEL INJECTION PUMPS IN THE LOW RPM RANGE
In a fuel injection pump in which the fuel quantities delivered for injection are controlled by bypassing one part of the fuel from the pump work chamber during the pressure strokes of the pump...
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3739809 |
ENGINE APPARATUS
The fuel-per-stroke which fuel injection systems deliver to an engine is varied in accordance with engine speed to provide a desired fuel-air mixture ratio by means of a spring-loaded check valve...
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3635603 |
RPM REGULATOR FOR FUEL INJECTION PUMPS
In an r.p.m. regulator for fuel injection pumps, the adaptation of full load fuel quantities to the maximum quantities combustible in a smokefree manner is effected by the r.p.m.-dependent pressure...
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3485225 |
ROTARY DISTRIBUTOR FUEL PUMP
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3421486 |
FUEL INJECTION CONTROL
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3384029 |
Hydraulic pumping apparatus
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3381615 |
Driving and timing mechanism for fuel injection pump
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3357363 |
Hydraulic machine
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3330265 |
Fuel injection pumps for internal combustion engines
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3313282 |
Fuel injection pump governor
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3312209 |
Fuel delivery system
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3312169 |
Pump
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3311101 |
Excess fuel starting device for fuel injection engines
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3306230 |
Centrifugally cooled hydraulic machine
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3286635 |
Reversible pressure hydraulic system
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3188964 |
Change speed gear mechanism and pumps therefor
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3183849 |
Variable displacement pump
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3179061 |
Variable displacement pump control
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