Method and apparatus for the removal of deposits from a fuel inj

Details Method and apparatus for the removal of deposits from a fuel inj Method and apparatus for the removal of deposits from a fuel inj

1976-12-09

1978-04-04

Bashore, S. Leon

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 23, 134 25A, 134116, 134169A, 134184, 239112, 239585, B08B 312

Patent

active

040825655

ABSTRACT:
A method for the removal of deposits from a fuel injection valve of the type containing a reciprocatory sprayer needle unit including a valve member and a solenoid for operating the sprayer needle unit, in which at least a front portion of the valve is immersed in a pool of liquid detergent, and the pool is subjected to ultrasonic vibrations while maintaining a current of a liquid detergent through the valve and maintaining a reciprocatory motion of the sprayer needle unit by supplying a periodic electric current to the solenoid of the valve.

REFERENCES:
patent: 2814575 (1957-11-01), Lange
patent: 2974070 (1961-03-01), Dongeren
patent: 3234047 (1966-02-01), Olson
patent: 3442705 (1969-05-01), Wheatley
patent: 3638666 (1972-02-01), Fishman

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