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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Mattes; Patrick
Address:
Stuttgart, DE
No. of patents:
29
Patents:












Patent Number Title Of Patent Date Issued
7920957 Method and control device for metering fuel to combustion chambers of an internal combustion eng April 5, 2011
A method for metering fuel into a combustion chamber of an internal combustion engine is provided, in which a fuel quantity to be metered for a combustion is metered by a preinjection and at least one additional injection, and in which, in the operation of the internal combustion eng
7891587 Intermediate plate for a fuel injector, and fuel injector February 22, 2011
The invention relates to an intermediate plate for a fuel injector, comprising a high-pressure through-hole which connects a high-pressure passage in a valve body and is connected to a high-pressure fuel reservoir, to a high-pressure space in a nozzle body, wherein the intermediate p
7347389 Fuel injection valve for internal combustion engines March 25, 2008
A fuel injection valve for internal combustion engines, having a valve body with a bore defined on its end toward the combustion chamber by a conical valve seat, with a valve needle disposed longitudinally displaceably in the bore and a sealing face with two sealing portions on its e
7270114 Fuel injection system for internal combustion engines September 18, 2007
A fuel injection system for internal combustion engines having a plurality of fuel injectors, in which the fuel injectors each have one high-pressure connection and one low-pressure connection, and the low-pressure connections discharge into at least one manifold line. The system has
7093586 Method for controlling a fuel metering system of an internal combustion engine August 22, 2006
A method for controlling a fuel metering system of an internal combustion engine. A activation duration of at least one electrically operated injector determines the injected fuel quantity. The minimum activation duration during which fuel is only just injected being determined in ce
7000856 Valve with radial recesses February 21, 2006
A valve having a valve needle axially displaceable in a bore of a valve body and which has a conical valve needle tip having a radial valve sealing face, which in the closing position comes to rest on a conical inner wall of the valve body on the closed end of the bore. In the inner
6988679 Injection valve January 24, 2006
An injection valve for an internal combustion engine, including a valve control piston, a valve control chamber with an inlet throttle and an outlet throttle for actuating the valve control piston, a valve control unit, actuated by means of a piezoelectric actuator unit for controlling
6981655 Injector for a fuel injection system for internal combustion engines with an integrated system p January 3, 2006
An injector for a fuel injection system for internal combustion engines is proposed, whose system pressure supply is integrated with the injector. This results in a simple design with at the same time a low requirement for driving capacity on the part of the high-pressure pump for supply
6899069 Valve for controlling liquids May 31, 2005
A valve for controlling fluids, in particular in an injection valve of an internal combustion engine, including a valve housing (20), in which housing a system region (21) is embodied, in which region a piezoelectric actuator module (22) and a hydraulic coupler module (23) are disposed,
6871801 Injection nozzle March 29, 2005
An injection nozzle has a nozzle body, a nozzle needle that is supported displaceably in the nozzle body, a control chamber that communicates with a fluid inlet and a fluid outlet, and a valve element that can open and close the fluid outlet. The control chamber is laterally defined by a
6823846 Fuel injection device for an internal combustion engine November 30, 2004
The fuel injection device has a high-pressure pump that supplies highly pressurized fuel to at least one high-pressure reservoir connected to injectors disposed in cylinders of an engine, wherein the injectors are connected to a common low-pressure reservoir. A pressure holding valve
6793252 Method for machining a common rail, common rail, and connection stub for application of the meth September 21, 2004
The invention relates to a common rail for a common rail fuel injection system of an internal combustion engine, having a base body whose interior communicates with a plurality of connection openings. To increase the high-pressure strength, one elongated connection stub extends through e
6752324 Injector for a fuel injection system for internal combustion engines, with hydraulic prestressin June 22, 2004
An injector, actuated by a piezoelectric actuator with a hydraulic booster, for a fuel injection system for internal combustion engines is disclosed, in which the pressure booster is always hydraulically prestressed.
6729600 Valve for regulating fluids May 4, 2004
A valve for regulating fluids includes a piezo-electric actor unit (9) for operating a valve member assembly. The valve member assembly has at least one first piston (13) guided in a valve body (10) and a second piston (14). A hydraulic chamber, acting as a hydraulic converter, is dispos
6726121 Common rail injector April 27, 2004
The invention relates to a common rail injector for injecting fuel in a common rail injection system of an internal combustion engine, which system has an injector housing (1) with a fuel inlet (24) that is in communication with a central high-pressure fuel reservoir outside the inje
6722579 Fuel injection valve April 20, 2004
In a fuel injection valve having a valve body, which contains a movable injector needle, having an actuating part, which supports the injector needle and communicates with a control pressure chamber, and having a compensation chamber, which communicates with a compensation piston, a
6719264 Valve for controlling fluids April 13, 2004
The invention relates to a valve for controlling fluids, having an actuator unit for actuating a valve member which has a first piston and a second piston, separated from it by a hydraulic chamber, and which actuates a valve closing member that divides a low-pressure region at system pre
6705551 Common rail injector March 16, 2004
The invention relates to a common rail fuel injector having an injector housing with a fuel inlet in communication with a central high-pressure fuel reservoir outside the injector housing and with a pressure chamber inside the injector housing. A control valve assures that a nozzle needl
6705544 Valve for controlling liquids March 16, 2004
A valve (1) for regulating fluids has a piezoelectric unit (4) for actuating a valve member (3). The valve member is embodied with a control piston (9), adjacent to the piezoelectric unit (4), and with at least one actuating piston (14), adjacent to a valve closing member (15). A hyd
6698711 Valve for controlling fluids March 2, 2004
A valve for controlling fluids having an actuator unit for actuating a valve member, which has a first piston and a second piston, separated from it by a hydraulic chamber, and which actuates a valve closing member that divides a low-pressure region at system pressure from a high-pressur
6588678 Injection system and method for operating an injection system July 8, 2003
The invention relates to an injection system having a piezoelectric adjuster (10), a hydraulic booster (12) and a control valve (14). In continuous operation of the injection system, the stroke of the piezoelectric adjuster (10) can be transmitted to the control valve (14) via a hydr
6509672 Method and apparatus for charging a piezoelectric element January 21, 2003
The invention describes a method and an apparatus for charging a piezoelectric element of a fuel injection system for, for example, an internal combustion engine. The apparatus is characterized in that the piezoelectric element is activated by an activation voltage having a value set
6505607 Common rail January 14, 2003
The invention relates to a common rail for a common rail fuel injection system of an internal combustion engine, having a base body whose interior communicates with a plurality of connections. To increase the high-pressure strength, the interior is formed by at least two substantiall
6502803 Valve for controlling liquids January 7, 2003
A valve for controlling fluids is embodied with a piezoelectric actuator (3) for actuating a valve member (2) that on one end has a valve head (7), forming a valve closing member, that cooperates with a seat (8) provided on the valve body (6) for opening and closing the valve (1). On a s
6470858 Common rail injector October 29, 2002
A common rail injector, having a nozzle body that is secured with the aid of a lock nut to a retaining body having a fuel inlet, which communicates with a central high-pressure fuel reservoir outside the injector and with a pressure chamber inside the injector. From the pressure chamber,
6422209 Magnet injector for fuel reservoir injection systems July 23, 2002
The invention relates to a magnet injector for fuel reservoir injection systems, having a fuel inlet and a fuel outlet, a control chamber, which communicates with the inlet, a nozzle which communicates with the inlet and a nozzle needle, which has a tip for closing the nozzle opening and
6371441 Fuel injection valve April 16, 2002
A fuel injection valve, including a valve member which can control the opening and closing of a fuel outlet opening, an actuating mechanism which can move the valve member, and a compensation device which can exert compensation forces on the valve member that counteract an opening stroke
6340018 Control valve for a fuel injection valve January 22, 2002
A control valve for a fuel injection valve, having a valve needle, which is displaceable in a control chamber that is provided with an inlet, an outlet, a valve needle seat, and a throttle seat. Various switching states that make different courses of the opening procedure of the nozzle n
6326717 Piezoelectric actuator December 4, 2001
A piezoelectric actuator, in particular for actuating control valves or injection valves in motor vehicles, having an actuator body embodied in the form of a multilayered laminate made up of stacked layers of piezoelectric material with intervening metallic or electrically conductive










 
 
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