Method of operating an electromagnetically actuated fuel intake

Details Method of operating an electromagnetically actuated fuel intake Method of operating an electromagnetically actuated fuel intake

1987-12-21

1989-04-25

Dolinar, Andrew M.

Fluid handling

Processes

123 9011, 25112909, 361152, 361170, F16K 3102, F01L 904

Patent

active

048238252

ABSTRACT:
A method of detecting movement of an electromagnetically actuated valve of the kind useful in internal combustion engines for controlling fuel intake or exhaust emission, by monitoring the increase in energizing current for detecting a brief drop in the rising current characteristic of the armature of the electromagnet engaging the stator. A signal generated in response to the detected current drop, or the absence thereof, may be used to control the further operation of the valve.

REFERENCES:
patent: 3946285 (1976-03-01), Berry
patent: 4417201 (1983-11-01), Reddy
patent: 4612597 (1986-09-01), Hamren
patent: 4620261 (1986-10-01), Thornton

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