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Class Information
Number: 239/533.5
Name: Fluid sprinkling, spraying, and diffusing > Fluid pressure responsive discharge modifier* or flow regulator* > Fuel injector or burner > Having flow regulator* for reciprocating piston engine > With means to vary or pulse flow within engine cycle > Upstream of flow regulator*
Description: Device wherein the means to vary or pulse flow is located upstream of the flow regulator.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8628031 Method and apparatus for controlling needle seat load in very high pressure diesel injectors Jan. 14, 2014
8602328 Fuel injection device Dec. 10, 2013
8210454 Fuel injector with piston restoring of a pressure intensifier piston Jul. 3, 2012
8028929 Arrangement in fuel supply apparatus Oct. 4, 2011
7712685 Device for fuel injection rate shaping May. 11, 2010
7523875 Injection nozzle Apr. 28, 2009
7334741 Fuel injector with injection rate control Feb. 26, 2008
7188790 Fuel-injection valve Mar. 13, 2007
6935580 Valve assembly having multiple rate shaping capabilities and fuel injector using same Aug. 30, 2005
6705551 Common rail injector Mar. 16, 2004
6698666 Fuel injection valve Mar. 2, 2004
6540160 Fuel injection device for an internal combustion engine Apr. 1, 2003
6409094 Structure of fuel injector adjustable in fuel jet characteristic Jun. 25, 2002
6371441 Fuel injection valve Apr. 16, 2002
6257507 Pump nozzle of a type with an open injection nozzle Jul. 10, 2001
6227464 In-line basket filter and anti-siphon valve assembly for spray spout and the like May. 8, 2001
6109536 Fuel injection system with cyclic intermittent spray from nozzle Aug. 29, 2000
6024296 Direct control fuel injector with dual flow rate orifice Feb. 15, 2000
5934570 Injector Aug. 10, 1999
5873526 Injection nozzle Feb. 23, 1999
5692683 Injection valve for a fuel-injection system of an internal combustion engine, in particular of a diesel motor Dec. 2, 1997
5505384 Rate shaping control valve for fuel injection nozzle Apr. 9, 1996
5487508 Injection rate shaping control ported check stop for a fuel injection nozzle Jan. 30, 1996
5464158 Fuel injection nozzle for internal combustion engines Nov. 7, 1995
5390856 Fuel injectors for diesel engines Feb. 21, 1995
5267694 Fuel injection nozzle for internal combustion engines Dec. 7, 1993
5125581 Fuel injection nozzle Jun. 30, 1992
4928886 Fuel injection nozzle May. 29, 1990
4889288 Fuel injection nozzle Dec. 26, 1989
4848668 Fuel injection nozzles Jul. 18, 1989
4826086 Fuel injection valve May. 2, 1989
4758169 Injection valve for reciprocating internal combustion engine Jul. 19, 1988
4669668 Fuel injector for internal combustion engines Jun. 2, 1987
4650116 Fuel-injection device Mar. 17, 1987
4590903 Fuel injection apparatus for definite pilot injection and main injection in internal combustion engines May. 27, 1986
4588132 Fuel-injection nozzle May. 13, 1986
4552310 Fuel injection nozzles Nov. 12, 1985
4520774 Fuel injection apparatus with pilot injection and main injection in internal combustion engines Jun. 4, 1985
4465231 Control device and method for activating a fuel injector nozzle Aug. 14, 1984
4461427 Fuel injection nozzle Jul. 24, 1984
4448356 Double-injection type fuel injection valve May. 15, 1984
4399793 Fuel injector Aug. 23, 1983
4393847 Low pressure sealing arrangement for a fuel injector Jul. 19, 1983
4390129 Double-injection type fuel injection valve Jun. 28, 1983
4359191 Double-injection type fuel injection valve Nov. 16, 1982
4356976 Fuel injection nozzle for internal combustion engines Nov. 2, 1982
4344575 Fuel injection nozzle for internal combustion engines Aug. 17, 1982
4258883 Fuel injection nozzle Mar. 31, 1981
4250857 Fuel injector for producing shaped injection pulses Feb. 17, 1981
4225088 Fuel injection nozzle Sep. 30, 1980

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