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Class Information
Number: 239/93
Name: Fluid sprinkling, spraying, and diffusing > Flow regulator operated concurrently with intermittent fluid pump
Description: Apparatus which include a means to control flow of fluid interposed between a distributor and a pump which delivers the fluid to the distributor in distinct, separated pulses or cycles, and means to actuate the flow control means in timed relation to the pump.

Sub-classes under this class:

Class Number Class Name Patents
239/94 Plural motor surfaces on flow regulator (e.g., opposed) 13

Patents under this class:

Patent Number Title Of Patent Date Issued
8640675 Fuel injector provided with a metering servovalve of a balanced type for an internal-combustion engine Feb. 4, 2014
8579207 Multiple intensifier injectors with positive needle control and methods of injection Nov. 12, 2013
7717359 Multiple intensifier injectors with positive needle control and methods of injection May. 18, 2010
7562663 High-pressure processing apparatus and high-pressure processing method Jul. 21, 2009
7309025 Fuel injection method Dec. 18, 2007
7252245 Fuel injection valve Aug. 7, 2007
7204433 Method of manufacturing a fuel injection valve Apr. 17, 2007
7108201 Injection valve Sep. 19, 2006
7104464 Fuel supply method and fuel supply system Sep. 12, 2006
7044400 Solenoid end cap assembly with flat surface May. 16, 2006
7017830 Method and apparatus for separating sample Mar. 28, 2006
7000851 Integrated injection line and injection nozzle Feb. 21, 2006
6997392 Injection valve comprising a pump piston Feb. 14, 2006
6974089 Injector Dec. 13, 2005
6928985 Fuel injection device for internal combustion engines, having a common rail injector fuel system Aug. 16, 2005
6712288 Method and apparatus for separating sample Mar. 30, 2004
6691934 Fuel injection valve for internal combustion engines Feb. 17, 2004
6688541 Fuel injection system for an internal combustion engine Feb. 10, 2004
6488220 Fuel injection valve for internal combustion engines Dec. 3, 2002
6405940 Fuel injector Jun. 18, 2002
6283441 Pilot actuator and spool valve assembly Sep. 4, 2001
6240905 Unit fuel injector Jun. 5, 2001
6196472 Fuel Injector Mar. 6, 2001
6170757 Fuel injection valve Jan. 9, 2001
6138923 Injector Oct. 31, 2000
6105879 Fuel injection valve Aug. 22, 2000
6079636 Fuel injection valve with a piezo-electric or magnetostrictive actuator Jun. 27, 2000
6024296 Direct control fuel injector with dual flow rate orifice Feb. 15, 2000
5894991 Unit injector with hard stop timing plunger Apr. 20, 1999
5476245 Pressure-compensated solenoid valve Dec. 19, 1995
5106019 Fuel injector Apr. 21, 1992
4877187 Unit injector for gasoline engines Oct. 31, 1989
4813601 Piezoelectric control valve for controlling fuel injection valve in internal-combustion engines Mar. 21, 1989
4811899 Apparatus for generating pre-injections in unit fuel injectors Mar. 14, 1989
4784322 Unit injector for gasoline engines Nov. 15, 1988
4650116 Fuel-injection device Mar. 17, 1987
4630587 Fuel injection pump having an adjustable instant of injection Dec. 23, 1986
4618095 Electromagnetic unit fuel injector with port assist spilldown Oct. 21, 1986
4590904 Fuel injection apparatus May. 27, 1986
4537352 Fuel injection apparatus Aug. 27, 1985
4111365 Fuel injection system and its nozzle holder Sep. 5, 1978

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