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Class Information
Number: 123/467
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Fuel injection system > Drip prevention means at injector nozzle
Description: Subject matter wherein the system includes means to prevent drip or drool at the nozzle when injection is not occurring.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8689772 Fuel injector with telescoping armature overtravel feature Apr. 8, 2014
8683978 Fuel injection system Apr. 1, 2014
8678298 Compensation for spool motion related fuel delivery drift over time in a hydraulically actuated fuel injector Mar. 25, 2014
8640675 Fuel injector provided with a metering servovalve of a balanced type for an internal-combustion engine Feb. 4, 2014
8622046 Fuel system having accumulators and flow limiters Jan. 7, 2014
8602321 Ball valve with reduced erosion behavior Dec. 10, 2013
8573186 Injector for injecting fuel into combustion chambers of internal combustion engines Nov. 5, 2013
8544767 Fuel injection device Oct. 1, 2013
8516994 Fuel injection system Aug. 27, 2013
8511284 Fuel supply apparatus of internal combustion engine and control device of fuel supply apparatus Aug. 20, 2013
8504277 Method and device for determining a control parameter for a fuel injector of an internal combustion engine Aug. 6, 2013
8459232 Injection system, and method for the production of an injection system Jun. 11, 2013
8460422 Exhaust aftertreatment system, and engine service package having fuel filtering mechanism Jun. 11, 2013
8402947 Fuel rail for attenuating radiated noise Mar. 26, 2013
8342424 Fuel injection apparatus Jan. 1, 2013
8297254 Multifuel storage, metering and ignition system Oct. 30, 2012
8251047 Fuel rail for attenuating radiated noise Aug. 28, 2012
8215100 Regeneration device having external check valve Jul. 10, 2012
8196565 Fluid injector assembly Jun. 12, 2012
8196567 Approach for controlling fuel flow with alternative fuels Jun. 12, 2012
8161945 In-line noise filtering device for fuel system Apr. 24, 2012
8113176 Injector with axial-pressure compensated control valve Feb. 14, 2012
8113177 Electromagnetic fuel injector and method for assembling the same Feb. 14, 2012
8113178 Apparatus and method for controlling quantity of fuel over common rail diesel engine Feb. 14, 2012
8100109 Control device for in-cylinder injection internal combustion engine Jan. 24, 2012
8087400 Method and device for metering a fluid Jan. 3, 2012
8069840 Injector for injecting fuel into combustion chambers of internal combustion engines Dec. 6, 2011
8033269 Fuel injection device Oct. 11, 2011
8002205 Injection nozzle Aug. 23, 2011
7987835 Fuel injector Aug. 2, 2011
7984706 Control method for closed loop operation with adaptive wave form of an engine fuel injector oil or fuel control valve Jul. 26, 2011
7980224 Two wire intensified common rail fuel system Jul. 19, 2011
7968167 Coated seal for sealing parts in a vehicle engine Jun. 28, 2011
7946274 Electromagnetic fuel injector and method for assembling the same May. 24, 2011
7946509 Fuel injector with direct needle control and servo valve support May. 24, 2011
7942130 Regulator flow noise prevention for fuel system of a vehicle May. 17, 2011
7942132 In-line noise filtering device for fuel system May. 17, 2011
7931007 Fuel-injection device Apr. 26, 2011
7900604 Dampening stop pin Mar. 8, 2011
7896263 Fluid injector Mar. 1, 2011
7856966 Controller for internal combustion engine Dec. 28, 2010
7827962 High-pressure accumulator body with integrated distributor block Nov. 9, 2010
7822534 Fuel supply device and fuel supply method for internal combustion engine Oct. 26, 2010
7814890 Injection means for a combustion engine Oct. 19, 2010
7784711 Metering servovalve and fuel injector for an internal combustion engine Aug. 31, 2010
7770818 Fuel injection valve Aug. 10, 2010
7757663 Electromagnetic drive mechanism and a high-pressure fuel supply pump Jul. 20, 2010
7743748 Method of controlling the operation of a solenoid Jun. 29, 2010
7721713 Electromagnetic fuel injector and method for assembling the same May. 25, 2010
7721714 Fuel delivery pipe May. 25, 2010

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