Piezoelectric fuel injector valve

Details Piezoelectric fuel injector valve Piezoelectric fuel injector valve

1975-04-03

1977-05-10

Husar, C. J.

Internal-combustion engines

Noncompression

123 32AE, 239584, F02M 5106

Patent

active

040221660

ABSTRACT:
An electrically operated valve in which the valve operating means is controlled in its opening movement by a piezoelectric element. The expansion or contraction of the piezoelectric element provides a lift force to the valve operating means while, preferably, a hydraulic or mechanical amplification stage is included to provide an exceedingly rapid mode of operation. The valve is particularly advantageous to control the multiple and discreet injections of fuel into an internal combustion engine.

REFERENCES:
patent: 3464627 (1969-09-01), Huber
patent: 3501099 (1970-03-01), Benson
patent: 3598506 (1971-08-01), O'Neill
patent: 3610529 (1971-10-01), Huber
patent: 3830204 (1974-08-01), McAlister

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