Fuel system

Details Fuel system Fuel system

2008-03-04

2008-03-04

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C060S734000, C137S565360

Reexamination Certificate

active

11408338

ABSTRACT:
A fuel system comprises a spill valve38operable to relieve the fuel pressure differential across at least one positive displacement pump16, 18, a shut-off valve32operable to control the supply of fuel to an engine84, and a two stage servo-valve62operable to control the operation of the shut-off valve32, the spill valve38having a control chamber40the fluid pressure within which is controlled so as to be held at an intermediate level during engine shut-down.

REFERENCES:
patent: 6401446 (2002-06-01), Gibbons
patent: 6981359 (2006-01-01), Wernberg et al.
patent: 7007452 (2006-03-01), Baryshnikov et al.
patent: 7096658 (2006-08-01), Wernberg et al.
patent: 7131274 (2006-11-01), Baryshnikov et al.

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