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Class Information
Number: 239/90
Name: Fluid sprinkling, spraying, and diffusing > Unitary injection nozzle and pump or accumulator plunger > Plunger interconnected or mounted bypass
Description: Apparatus in which a means communicates with the passage between the nozzle inlet and the outlet of the collapsible chamber and is actuated by or concurrently with the collapse of the chamber to relieve the pressure at the nozzle inlet and thus terminate delivery of fluid thereto after a predetermined volume.

Patents under this class:
1 2 3

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
8342423 Fuel injection apparatus Jan. 1, 2013
8333064 Exhaust gas purification apparatus for internal combustion engine Dec. 18, 2012
8028929 Arrangement in fuel supply apparatus Oct. 4, 2011
7950414 Regulating check valve and fuel injecton valve having the same May. 31, 2011
7942349 Fuel injector May. 17, 2011
7926736 Fuel injection apparatus Apr. 19, 2011
7891579 Gaseous fuel injector using liquid fuel as lubricant and pressure-transmitting medium Feb. 22, 2011
7866144 Arrangement for the dosed injection of a reducing medium into the exhaust tract of an internal combustion engine Jan. 11, 2011
7735757 Gaseous fuel injection valve Jun. 15, 2010
7628344 Fuel injector with VOP loss resistant valve spring for emissions-compliant engine applications Dec. 8, 2009
7464882 Fluid injection valve Dec. 16, 2008
7347385 Fuel injection device with a 3-way control valve for configuring the injection process Mar. 25, 2008
7309027 Fuel injector for internal combustion engines Dec. 18, 2007
7252245 Fuel injection valve Aug. 7, 2007
7210639 Servo-valve-controlled fuel injector May. 1, 2007
7204433 Method of manufacturing a fuel injection valve Apr. 17, 2007
7185828 Hydraulic control device, system and method for controlling actuator device Mar. 6, 2007
7108200 Fuel injectors and methods of fuel injection Sep. 19, 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
7097115 Fuel injector regulator having combined initial injection and peak injection pressure regulation Aug. 29, 2006
7083113 Device for damping the needle lift in fuel injectors Aug. 1, 2006
7044400 Solenoid end cap assembly with flat surface May. 16, 2006
7025285 Fire sprinkler flow control device Apr. 11, 2006
7007860 Plunger cavity pressure control for a hydraulically-actuated fuel injector Mar. 7, 2006
6994273 Fuel injection valve for internal combustion engines Feb. 7, 2006
6978943 Governor plate apparatus Dec. 27, 2005
6974089 Injector Dec. 13, 2005
6953157 Fuel injection device for an internal combustion engine Oct. 11, 2005
6945479 Stroke-controlled valve as fuel metering device of an injection system for internal combustion engines Sep. 20, 2005
6840466 Hydraulic control valve and fuel injector using same Jan. 11, 2005
6752325 Fuel injection device Jun. 22, 2004
6736331 Valve for controlling fluids May. 18, 2004
6729553 Injecting a fluid at a variable injection pressure May. 4, 2004
6715694 Control valve body for an oil activated fuel injector Apr. 6, 2004
6663014 Method and system of intensifier piston control Dec. 16, 2003
6631853 Oil activated fuel injector control valve Oct. 14, 2003
6561436 Fuel injection valve May. 13, 2003
6527198 Fuel injection valve for internal combustion engines Mar. 4, 2003
6520423 Hydraulic intensifier assembly for a piezoelectric actuated fuel injector Feb. 18, 2003
6517011 Fuel injector with pressurized fuel reverse flow check valve Feb. 11, 2003
6494383 Control valve configuration for use in a fuel injector for internal combustion engines Dec. 17, 2002
6412705 Hydraulically-actuated fuel injector having front end rate shaping capabilities and fuel injection system using same Jul. 2, 2002
6405940 Fuel injector Jun. 18, 2002
6336595 Fuel injector Jan. 8, 2002
6257499 High speed fuel injector Jul. 10, 2001
6196472 Fuel Injector Mar. 6, 2001
6196199 Fuel injector assembly having an improved solenoid operated check valve Mar. 6, 2001

1 2 3

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