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Class Information
Number: 239/94
Name: Fluid sprinkling, spraying, and diffusing > Flow regulator operated concurrently with intermittent fluid pump > Plural motor surfaces on flow regulator (e.g., opposed)
Description: Apparatus which includes a first area or surface of the distributor flow control means subjected to fluid pressure from the pump and an additional surface on said flow control means subjected to a separately controlled fluid to oppose or assist the force exerted on the first surface (e.g., to delay or assist valve opening or to close the valve at a desired time).










Patents under this class:

Patent Number Title Of Patent Date Issued
7278593 Common rail fuel injector Oct. 9, 2007
7104464 Fuel supply method and fuel supply system Sep. 12, 2006
6547169 Crop residue spreader for an agricultural combine Apr. 15, 2003
6109542 Servo-controlled fuel injector with leakage limiting device Aug. 29, 2000
5419492 Force balanced electronically controlled fuel injector May. 30, 1995
5301875 Force balanced electronically controlled fuel injector Apr. 12, 1994
5007584 Fuel injection device Apr. 16, 1991
4979675 Pressure control valve Dec. 25, 1990
4598863 Fuel injector Jul. 8, 1986
4200231 Fuel injector nozzle Apr. 29, 1980
4153200 Fuel injection nozzles May. 8, 1979
4096995 Variable spray direction fuel injection nozzle Jun. 27, 1978
4026468 Headlamp cleaning assembly May. 31, 1977











 
 
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