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WO/2015/163077A1 |
Because the relationship of the fuel injection quantity to a designated injection period differs in a half-lift region and a full-lift region, the purpose of the present invention is to bring the flow rate characteristics of an intermedi...
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WO/2015/161945A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a nozzle body (14) in which a pressure chamber (15) is formed that can be filled with highly pressurized fuel and comprising a piston-shaped nozz...
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WO/2015/163242A1 |
Provided is an electromagnetic valve that reduces cavitation that occurs in the vicinity of an operation section of electromagnetic valves and prevents erosion. Both low cost and a structure that captures and reduces cavitation that occu...
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WO/2015/158785A1 |
The invention relates to an injection valve device (100) for a high-pressure system. Said injection valve device (100) comprises: an injector member (10); a piezo element (20); a membrane (30); and a base plate (40) which is coupled to t...
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WO/2015/159622A1 |
The purpose of the present invention is to provide: a solenoid valve structure having increased reliability obtained by forming, without reducing magnetic attraction force, the striking section of a movable section into a shape which pre...
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WO/2015/159596A1 |
The present invention addresses the problem of providing a method for manufacturing a nozzle plate for a fuel injection device, whereby nozzle holes and the peripheral parts thereof can be formed with high precision with less likeliness ...
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WO/2015/154949A1 |
In a piezo-electrically actuated fuel injector, a method of determining or providing a measure the gap between the end of the piezo electric stack/actuator and the valve, and/or the point at which the gap is zero, comprising energising t...
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WO/2015/151994A1 |
Provided is an in-cylinder pressure detection device which detects pressure in a combustion chamber of an internal combustion engine and is equipped with a pressure detection component which is attached to the tip of a fuel injection dev...
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WO/2015/150183A1 |
The invention relates to a fuel injector (10; 10a; 10b), having an injector housing (11), in which a high pressure chamber (28) is configured, having an injection element (30) which is arranged in the injector housing (11) and can be rai...
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WO/2015/151482A1 |
An ECU (30) sets a drive current in accordance with fuel pressure, by using a drive current profile for stipulating the relationship between fuel pressure supplied to a fuel injection valve (21) and the drive current (e.g., peak current)...
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WO/2015/146090A1 |
A control device (40) for controlling fuel injection by a fuel injection valve (30) is equipped with: a setting part (42) for setting a required injection amount, that is, an injection amount required of the fuel injection valve (30); a ...
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WO/2015/143109A1 |
A method for operating an electromagnetic actuator includes an actuation event utilizing a current waveform for the actuator characterized by an initial peak pull-in current in a first direction of current flow when the actuator is comma...
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WO/2015/136974A1 |
Although it is important that the inside of a collision structure not have a partial protrusion, dimensional tolerance accumulation causes a fixed core and a moveable core to be relatively inclined, and even if the collision structure of...
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WO/2015/136862A1 |
A fuel injection valve (1) is provided with: a main valve (50) for opening and closing an injection hole (17) provided at the end of a housing (10) which is on the side opposite a stator; and a mover (40) provided on the side of the main...
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WO/2015/138425A2 |
In some embodiments, the injector valves have additional flow holes in the seat face to reduce flow variation, decrease package size and allow for a fast response. In another embodiment, the injector valve has a seat with multiple flow c...
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WO/2015/136745A1 |
The present invention pertains to a device and method for supplying fuel in an internal combustion engine, in which the rate of fluid discharge and fuel injection pressure of a fuel pump are controlled according to the operating state of...
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WO/2015/135732A1 |
A fuel injection assembly (1) having a longitudinal axis (L) is disclosed. It comprises a fuel injector (10) having a fuel inlet port (110) and a fuel outlet end (120) and an injector cup (20) having a recess (210) in which the fuel inle...
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WO/2015/128136A1 |
The invention relates to a fluid injector having an electromagnetic operating actuator (12), the fluid injector comprising an injector housing (2), in which an injector needle (6) is arranged in a longitudinally movable manner, wherein t...
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WO/2015/125326A1 |
The present invention relates to a control device and a control method for an internal combustion engine provided with a fuel injection valve and an electric-powered fuel pump. When an internal combustion engine is stopped, a control dev...
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WO/2015/125551A2 |
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WO/2015/122325A1 |
A liquid fuel supply system (20) equipped with injection valves (9) that inject a liquid fuel (FO) into a combustion chamber (7), and a control device capable of adjusting the injection pressure of the liquid fuel injected from the injec...
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WO/2015/122996A1 |
Methods, systems, and devices are disclosed for improved piezoelectric actuators in applications such as fuel injectors. An assembly of thin sheets may be tape cast and co-fired in piezoelectric (PZT) layers and spaced between thin sheet...
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WO/2015/117587A1 |
The invention relates to a regulating device 1 for conducting a fluid, in particular a hydrocarbon-containing fluid, in particular injection nozzle, hydraulic valve or pneumatic valve, having an inductive heating device 2 which comprises...
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WO/2015/118494A1 |
A: piezoelectric fuel injector spring assembly and an assembly method for assembling such a piezoelectric fuel injector spring assembly. The assembly has a piezoelectric element (204}, a first spring {212), and a second spring (210). The...
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WO/2015/114866A1 |
[Problem] To provide a laminated piezoelectric element that minimizes detachment of an external electrode plate and crack formation in a conductive joining material. Also, to provide an injection device and a fuel-injection system contai...
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WO/2015/114879A1 |
[Problem] To provide a laminated piezoelectric element for which cracks in a conductive bonding material are mitigated and durability is improved, and an injection device and fuel injection system provided with the piezoelectric element....
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WO/2015/110622A1 |
A fuel injector (8) for a combustion engine comprises a solenoidactuator (11) being lifetime operable reciprocally from a closed position to a fully open position along a main axis (24), the solenoid actuator (11) comprising: an electrom...
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WO/2015/112271A1 |
A solenoid valve for a pre-chamber of an internal combustion engine is provided. The solenoid valve may include a valve body defining an inlet port fluidly coupled with a fuel line, an outlet port fluidly coupled with the pre-chamber, an...
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WO/2015/111502A1 |
A purpose of the present invention is to provide a gas engine that can suppress fluctuation of the actual air-fuel ratio even when a load fluctuates. A gas engine (1) in which at least one opening degree (D) selected from the opening deg...
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WO/2015/110450A1 |
A seal arrangement (50) configured to provide a seal for an actuator against an internal bore of a fuel injector. The seal arrangement comprises a seal member (52) having a longitudinal axis (L) and defining a high pressure side (60) and...
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WO/2015/106934A1 |
The invention relates to a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, comprising a clamping nut (1) in which a nozzle body (2) and a retaining body (3) are arranged, a needle body (4) whi...
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WO/2015/106937A1 |
The invention relates to a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, comprising a clamping nut fitted with a retainer element and a magnetic element; a needle element unit consisting of ...
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WO/2015/107039A1 |
A nozzle assembly (3) for a fuel injection valve (1) and a fuel injection valve (1) for a combustion engine with the nozzle assembly (3) are disclosed. The nozzle assembly (3) comprises a valve body (7) with a central longitudinal axis (...
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WO/2015/104595A1 |
Described herein are methods for controlling a piezoelectric element, for example, for use in a fuel injector, safely and efficiently at higher frequencies without causing damage to the fuel injector due to excessive heating. Methods inc...
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WO/2015/098970A1 |
Provided is a uniflow scavenging 2-cycle engine comprising: a plurality of injection valves (160) provided parallel to each other in a fuel supply path (170) and controlling the jetting of fuel gas from injection ports (132e); a hydrauli...
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WO/2015/086192A1 |
The invention relates to a fuel injection valve (1), for fuel injection systems of internal combustion engines, in particular for directly injecting fuel into the combustion chamber of an internal combustion engine. Said fuel injection v...
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WO/2015/086128A1 |
The invention relates to a gasoline engine (10) for a motor vehicle, comprising at least one combustion chamber (14), and comprising at least one injection nozzle (20) open to the outside for the direct injection of a liquid fuel into th...
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WO/2015/082353A1 |
The invention relates to a magnet assembly for a solenoid valve, comprising a magnetic core (3), composed of at least two core elements (1, 2), and a magnetic coil (4), said magnetic core being connected in an annular recess (5) of a cor...
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WO/2015/078723A1 |
A method is described for operating an injector comprising a piezoelectric direct drive, of an injection system of an internal combustion engine. The piezoelectric actuator of the injector is controlled to charge said injector with a cur...
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WO/2015/075887A1 |
A fuel injection control device equipped with: an energization time calculation unit that calculates a coil energization time in accordance with a target injection amount; and an increase control unit that applies a boost voltage to the ...
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WO/2015/075935A1 |
A fuel injection device (100) that injects a gas fuel into an air intake pipe (2) provided in an internal combustion engine. The fuel injection device (100) is equipped with: a spray hole body (60) in which one or more spray holes (60a) ...
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WO/2015/074927A1 |
The invention relates to a valve for metering fluid, which valve comprises: a valve member (14) controlling a metering opening; an armature (22) of an electromagnet (16) having a magnetic core (24) representing an inner pole (23), which ...
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WO/2015/072031A1 |
A fuel injection valve is provided with: a holder having a core affixed to an axial end thereof; a solenoid received between the inner peripheral surface of a housing and the outer peripheral surface of the core; a cap affixed by welding...
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WO/2015/071236A1 |
A valve for metering fluid is specified, which valve has an electromagnet (15) for the actuation of a valve needle (13) which controls a metering opening (12). The electromagnet (15), when energized, generates a magnetic flux which runs ...
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WO/2015/071686A1 |
A control unit (2) for a fuel injector (3) comprising a solenoid actuator (31) having an armature (33), the control unit configured to drive a current through an electromagnet coil (34) of the solenoid actuator in a voltage mode during a...
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WO/2015/058998A1 |
The invention describes an injector of injection system of an internal combustion engine. The injector has an injector housing, a piezo-actuator control unit, a connecting plug on the head of the injector housing, and an electrical conne...
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WO/2015/058930A1 |
The invention relates to a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, comprising a nozzle needle (14), which is liftably guided in a high-pressure bore (12) of a nozzle body (5) for openi...
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WO/2015/055603A1 |
A fuel injector comprises a central longitudinal axis (L) and is operable to be arranged in a recess (15) of a cylinder head (14) of a combustion engine. The fuel injector comprises a housing (25), a valve body (26) and an adjustment ele...
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WO/2015/055612A1 |
The invention relates to an injection valve (100) for a combustion engine. The injection valve comprises a fluid inlet duct (1) designed to define a flow of fluid (4) in a main direction of flow (6), wherein the fluid inlet duct (1) comp...
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WO/2015/052005A1 |
A control valve (3) for opening and closing a fluid channel (16; 30) has a closing body (25) on which an actuator (23) can exert a force and which is deformed by this force in such a way that a sealing surface (28) is at least indirectly...
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