Cleaning electronically controlled fluid fuel injectors

Details Cleaning electronically controlled fluid fuel injectors Cleaning electronically controlled fluid fuel injectors

1997-07-25

1998-11-03

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

134113, 134169A, B08B 310

Patent

active

058294600

ABSTRACT:
An electronically controlled and operated injector for gaseous fuel is cleaned in situ of contaminant residues by passing isopropyl alcohol through the injector while directing electrical signals to solenoid fuel flow valves of the injector to open and close the valves in succession while the alcohol is flowing through the injector. Removal of the injector from a vehicle and disassembly of the injector are not required for cleaning of the injector.

REFERENCES:
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patent: 4606311 (1986-08-01), Reyes et al.
patent: 4804005 (1989-02-01), Hartopp
patent: 4909207 (1990-03-01), Takano et al.
patent: 4920996 (1990-05-01), Flanner
patent: 5232513 (1993-08-01), Suratt et al.
patent: 5295497 (1994-03-01), Skovron
patent: 5503683 (1996-04-01), Butcher et al.

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