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Class Information
Number: 239/92
Name: Fluid sprinkling, spraying, and diffusing > Unitary injection nozzle and pump or accumulator plunger > Fluid operated plunger motor
Description: Apparatus in which the expansible chamber for delivering pressurized fluid to the nozzle is collapsed by means of a motor means energized by the movement of a volume of fluid.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8366018 Oil intensified common rail injectors Feb. 5, 2013
8348176 Fuel injector with an integrated pressure booster Jan. 8, 2013
8136741 Fuel injection device for an internal combustion engine using direct fuel injection Mar. 20, 2012
8074895 Fuel injection and mixing systems having piezoelectric elements and methods of using the same Dec. 13, 2011
7955552 Car freshener system and associated method Jun. 7, 2011
7896257 Fuel injector with real-time feedback control Mar. 1, 2011
7748644 Fuel injector for an internal-combustion engine Jul. 6, 2010
7694891 Fuel injector with boosted needle closure Apr. 13, 2010
7571603 Metering system for reducing pollutants in motor vehicle exhaust gases Aug. 11, 2009
7568632 Fuel injector with boosted needle closure Aug. 4, 2009
7464882 Fluid injection valve Dec. 16, 2008
7370636 Fuel injection system May. 13, 2008
7341205 Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel Mar. 11, 2008
7320441 Injection nozzle Jan. 22, 2008
7316361 Control valve with pressure compensation for a fuel injector comprising a pressure intensifier Jan. 8, 2008
7252245 Fuel injection valve Aug. 7, 2007
7204433 Method of manufacturing a fuel injection valve Apr. 17, 2007
7165731 Dual travel seated pin valve assembly Jan. 23, 2007
7121476 Fuel injection device Oct. 17, 2006
7104464 Fuel supply method and fuel supply system Sep. 12, 2006
7097114 Fuel injector adapted to remove deposits by sonic shock Aug. 29, 2006
7083113 Device for damping the needle lift in fuel injectors Aug. 1, 2006
6997392 Injection valve comprising a pump piston Feb. 14, 2006
6986474 Control module for an injector of an accumulator injection system Jan. 17, 2006
6981653 Fuel injection device for an internal combustion engine Jan. 3, 2006
6974089 Injector Dec. 13, 2005
6908040 Unit injector with stabilized pilot injection Jun. 21, 2005
6874705 Noise-optimized device for injecting fuel Apr. 5, 2005
6840466 Hydraulic control valve and fuel injector using same Jan. 11, 2005
6820827 Injector for a fuel injection system for internal combustion engines, having a nozzle needle protruding into the valve control chamber Nov. 23, 2004
6811134 Valve for controlling liquids Nov. 2, 2004
6811103 Directly controlled fuel injection device for a reciprocating internal combustion engine Nov. 2, 2004
6779741 Fuel injection apparatus for an internal combustion engine Aug. 24, 2004
6736331 Valve for controlling fluids May. 18, 2004
6732948 Fuel injector May. 11, 2004
6726128 Double-switching valve for fuel injection system Apr. 27, 2004
6688536 Free floating plunger and fuel injector using same Feb. 10, 2004
6655603 Reverse flow valve for fuel injectors Dec. 2, 2003
6634569 Pressure-controlled injector for injecting fuel Oct. 21, 2003
6631853 Oil activated fuel injector control valve Oct. 14, 2003
6626369 Injection device and method for injection of fluids Sep. 30, 2003
6575384 Fuel injector with a control rod controlled by the fuel pressure in a control chamber Jun. 10, 2003
6526943 Control valve for hydraulically oil activated fuel injector Mar. 4, 2003
6527199 Fuel injection valve for an internal combustion engine Mar. 4, 2003
6494383 Control valve configuration for use in a fuel injector for internal combustion engines Dec. 17, 2002
6460779 Fuel injection valve Oct. 8, 2002
6209798 Tappet retention for a fuel injector Apr. 3, 2001
6119960 Solenoid actuated valve and fuel injector using same Sep. 19, 2000
6085992 Hydraulically-actuated fuel injector with rate shaping through restricted flow to intensifier piston Jul. 11, 2000
6053421 Hydraulically-actuated fuel injector with rate shaping spool control valve Apr. 25, 2000

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