Low fuel pressure warning system

Details Low fuel pressure warning system Low fuel pressure warning system

2007-12-25

2007-12-25

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C340S450200

Reexamination Certificate

active

11382803

ABSTRACT:
An internal combustion engine system having an internal combustion engine, a fuel source, a fuel filter for filtering fuel from the source to the engine, and a fuel pressure switch disposed between the fuel filter and the fuel source. An additional sensor is provided for sensing a condition of a substance fed to the engine. An output device is connected to both the fuel pressure switch and the additional sensor for indicating when either the fuel pressure switch indicates an improper fuel pressure condition or the additional sensor indicates the sensed condition is an unwanted condition.

REFERENCES:
patent: 3253256 (1966-05-01), Hull
patent: 4261209 (1981-04-01), Hatsuno et al.
patent: 4413248 (1983-11-01), Staerzl
patent: 4429670 (1984-02-01), Ulanet
patent: 6672147 (2004-01-01), Mazet
patent: 2001/0049579 (2001-12-01), Fujino et al.

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