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7334741 |
Fuel injector with injection rate control
A closed nozzle fuel injector is provided which effectively controls the fuel injection flow rate, especially during an initial portion of an injection event, while also permitting accurate control...
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7188790 |
Fuel-injection valve
The fuel injection valve, for an internal combustion motor, has a valve body with injection openings ( 20 ) at its point. A valve needle has an axial movement within the valve body, with a conical...
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6935580 |
Valve assembly having multiple rate shaping capabilities and fuel injector using same
Engineers have determined that the performance of fuel injectors, including those used in common rail fuel injection systems, can be increased, and undesirable emissions reduced, by controlling the...
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6698666 |
Fuel injection valve
In a fuel injection valve having a pressure control chamber, a nozzle, and an electromagnetic valve, a fuel flow-in passage, a fuel flow-out passage and at least a part of the pressure control...
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6540160 |
Fuel injection device for an internal combustion engine
A fuel injection device having a fuel pump for each cylinder of an internal combustion engine, which fuel pump has a pump piston that is driven into a stroke motion by the engine and delimits a...
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6409094 |
Structure of fuel injector adjustable in fuel jet characteristic
A fuel injector is provided which has an improved structure capable of adjusting fuel jet characteristics such as the quantity of fuel to be injected to an engine and a fuel injection time lag...
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6257507 |
Pump nozzle of a type with an open injection nozzle
A unit fuel injector of the type with an open injector comprises an injector body (1) with an axial space (4), which ends in an injector cap (3), an injection plunger (15) guided in the axial space...
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6227464 |
In-line basket filter and anti-siphon valve assembly for spray spout and the like
A hand held spray spout (10) has a basket filter (26) seated against an anti-siphon valve (24) proximate the base end of a water passage (12) within the spout. The filter has a plurality of...
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6109536 |
Fuel injection system with cyclic intermittent spray from nozzle
A fuel injection system includes an injector body that defines a nozzle outlet connected to a nozzle supply passage having a flow restriction. A source of fuel at a supply pressure is in fluid...
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6024296 |
Direct control fuel injector with dual flow rate orifice
A fuel injector includes an injector body that defines a nozzle outlet, and a needle control chamber that is in fluid communication with a needle control passage. A needle valve member is...
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5934570 |
Injector
An injector is described which comprises a valve needle engageable with a seating and biased towards the seating by a spring. The spring is located within a spring chamber and engages a moveable...
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5692683 |
Injection valve for a fuel-injection system of an internal combustion engine, in particular of a diesel motor
An injection valve for a fuel-injection system of an internal combustion engine, in particular of a diesel motor, has a valve housing, a multi-part valve member movably arranged in the housing, and...
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5505384 |
Rate shaping control valve for fuel injection nozzle
A fuel injector nozzle assembly has a housing defining a blind bore and at least one injection orifice at the bottom portion thereof and a fuel injection passage fluidly connecting the bottom...
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5487508 |
Injection rate shaping control ported check stop for a fuel injection nozzle
A fuel injector nozzle and tip assembly comprises a check housing having a central axis and defining a cavity therealong with at least one spray orifice at a first end portion of the cavity and a...
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5390856 |
Fuel injectors for diesel engines
A fuel injection for use in a diesel engine and adapted to inject two different fuels sequentially comprises a body including an injection nozzle defining one or more injection orifices, a main...
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5267694 |
Fuel injection nozzle for internal combustion engines
A fuel injection nozzle for internal combustion engines having a nozzle body secured on a nozzle holder, and a valve needle that is axially displaceable in the nozzle holder, the valve needle being...
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5125581 |
Fuel injection nozzle
A fuel injection nozzle, including a pressure chamber, an accumulator chamber in communication with the pressure chamber and a spring-loaded shunting piston limiting the volume of the accumulator...
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4848668 |
Fuel injection nozzles
An inwardly opening fuel injection nozzle includes a first spring which is coupled by means of a push rod to the valve member of the nozzle. The nozzle includes a second spring positioned between...
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4826086 |
Fuel injection valve
A fuel injection valve for use in an internal combustion engine includes a nozzle having a nozzle needle, a nozzle holder supporting the nozzle, first and second springs provided in the nozzle...
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4758169 |
Injection valve for reciprocating internal combustion engine
The fuel injection valve is constructed of a valve body and a single valve needle. The valve needle operates under the pressure of the fuel to move a first distance permitting injection of fuel...
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4669668 |
Fuel injector for internal combustion engines
A fuel injector for internal combustion engines comprising an improved valve structure whose valve-opening pressure is directly proportional to the fuel pressure. The fuel injector includes a...
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4650116 |
Fuel-injection device
A fuel-injection device in which a nozzle element is directly pressed towards the front face of a guide body for the pump plunger. The guide body is provided with an enlarged slot into which a...
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4590903 |
Fuel injection apparatus for definite pilot injection and main injection in internal combustion engines
A fuel injection apparatus for definite pilot and main injection in internal combustion engines. A hydraulic auxiliary pump is supplied via a pressure line with fuel from a high-pressure injection...
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4588132 |
Fuel-injection nozzle
A direct-injection internal combustion engine has a combustion chamber in the form of a body of rotation in the piston head. Means are provided for creating air swirl about the longitudinal axis of...
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4520774 |
Fuel injection apparatus with pilot injection and main injection in internal combustion engines
A fuel injection apparatus with pilot injection and main injection in Diesel engines is proposed. A high-pressure injection pump delivers a main injection quantity to a main injection nozzle, while...
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4465231 |
Control device and method for activating a fuel injector nozzle
A control device and method for opening and closing the nozzle of a fuel injector. The control device includes first and second cavities which are formed in the body of the fuel injector, with the...
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4461427 |
Fuel injection nozzle
A fuel injection nozzle for internal combustion engines, in particular a cold-starting valve which has a valve needle opening counter to the force of a closing spring, the valve needle being...
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4448356 |
Double-injection type fuel injection valve
A fuel injection valve which is adapted to carry out fuel injection in a double-step manner such that lifting of the nozzle needle through the initial injection stroke causes contraction of a first...
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4399793 |
Fuel injector
A fuel injector for use on an internal combustion engine which includes a housing enclosing a cylindrical barrel having a bore formed therein. The barrel cooperates with the housing to form an...
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4393847 |
Low pressure sealing arrangement for a fuel injector
A low pressure sealing arrangement for a fuel injector which includes a housing containing a cylindrical barrel having a bore formed therein. Within the bore is positioned an axially movable...
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4390129 |
Double-injection type fuel injection valve
A fuel injection valve which is adapted to carry out fuel injection in a double-step manner such that lifting of the nozzle needle through the initial injection stroke causes contraction of a first...
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4250857 |
Fuel injector for producing shaped injection pulses
A fuel injector, especially adapted for diesel engines, produces a fuel injection pulse having a predetermined time-variable flow rate. Preferably the injection pulse is ramp-shaped which...
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4225088 |
Fuel injection nozzle
The invention relates to fuel injection nozzles for internal combustion engines provided with a nozzle body one end of which includes plural fuel injection spray apertures with plural telescopable...
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4108383 |
Fuel injection valve with stepped injection
A fuel injection valve for internal combustion engines, especially for Diesel engines, which is equipped with a valve needle acted upon in the closing direction by a spring and in the opening...
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4096999 |
Fuel injection valve for preliminary and principal injection
A fuel injection valve assembly for supplying a preliminary injection of fuel of a constant amount regardless of engine speed before the main injection of fuel begins comprising a spring biased,...
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3982694 |
Accumulator type fuel injection assembly
A dual phase fuel injection nozzle assembly, including primary injection means which operate to provide a fine flow of fuel through an outward-opening check valve assembly and through a relatively...
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3891151 |
Pilot injection fuel injection pump
A timed pulsed fuel injection device which meters fuel continuously and distributes flow pulses to n nozzles through a rotary distributor pressure cascading device which totally isolates the...
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3817456 |
FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
A fuel-injection nozzle for an internal combustion engine is described, which nozzle comprises a valve needle for controlling the flow of fuel via a throttle passage to a pressure chamber for a...
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3802626 |
DEVICE FOR ACTUATING AN ELECTROMAGNETICALLY CONTROLLED INJECTOR
Actuating device for an injector having a chamber the opening of which for injection is caused by the pressure of the fuel supplied to the chamber. The actuating device comprises a slidable closure...
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3705692 |
ELECTROMAGNETIC INJECTORS
An injector comprising a cylindrical casing, induction means and fuel-intake means, an injection nozzle body attached to said casing and enclosing an injection needle, a pallet adapted to be...
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3627208 |
FUEL INJECTION APPARATUS FOR INTERNAL COMBUSTION ENGINES OF THE LIQUID-FUEL-INJECTION COMPRESSION-IGNITION TYPE
A fuel injection system for an internal combustion engine of the liquid-fuel-injection compression-ignition type, having a fuel pump arranged to deliver fuel under supply pressure via a...
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3593924 |
VALVE FOR THE ADVANCE AND MAIN INJECTION OF FUEL
In a fuel injection valve, the initial opening motion of the valve needle (advance injection) is effected by the fuel pressure exerting a force directly on the valve needle and also on pistons...
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3469793 |
FUEL INJECTION SYSTEM
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3456884 |
LIQUID FUEL SUPPLY SYSTEMS
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3442451 |
DUAL STAGE ACCUMULATOR TYPE FUEL INJECTOR
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3403861 |
Fuel injection valve for preliminary and main injection
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3394891 |
Fuel injection nozzle arrangement for preinjection and main injection of fuel
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3391871 |
Fuel injection valve for internal combustion engines
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3342422 |
Fuel injection apparatus for internal combustion engines
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3067809 |
Equipment for the combustion of oils of differing viscosity by means of atomization in light-oil burners
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