Overspeed safety means for fuel injection pumps of internal comb

Details Overspeed safety means for fuel injection pumps of internal comb Overspeed safety means for fuel injection pumps of internal comb

1982-05-20

1984-01-24

Lazarus, Ira S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123458, 123198DB, 417289, F02D 500

Patent

active

044269692

ABSTRACT:
An overspeed safety means for fuel injection pumps of internal combustion engines in which an electrically actuatable valve is retained by an electromagnet provided in an electrical circuit in an open, retracted position which assures the normal operation of the engine or of the fuel injection pump. The electrical circuit includes a destructable loop which is located adjacent to a device deflectable in response to centrifugal force; when this device is deflected into a position corresponding to a specific threshold rpm, it severs the loop in the circuit, thus closing the valve and terminating injection.

REFERENCES:
patent: 595324 (1897-12-01), MacFadden
patent: 3661130 (1972-05-01), Eheim
patent: 4073275 (1978-02-01), Hofer et al.
patent: 4083346 (1978-04-01), Eheim
patent: 4315118 (1982-02-01), Kramer et al.

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