Injection start advancer for fuel injection pump assembly of the

Details Injection start advancer for fuel injection pump assembly of the Injection start advancer for fuel injection pump assembly of the

1986-12-22

1987-12-08

Miller, Carl Stuart

Internal-combustion engines

Starting device

For airplane

123502, 123449, F02M 3900

Patent

active

047112050

ABSTRACT:
A roller holder angularly movably mounted on a drive shaft for controlling timing for axial displacement of a plunger to change fuel injection timing of a fuel injection pump assembly is engaged by a ball pin fixed to a shaft rotatably supported by a pump housing. The roller holder is urged by a first spring-biased lever to move in a direction to advance fuel injection, the first lever being fixed to the shaft. A heat-sensitive material which is contractable and expandable according to ambient temperature is urged by a second spring-biased lever so as to be contracted, the second lever being loosely fitted over the shaft. The second lever serves as or has a stopper for limiting the angular position of the first lever. The roller holder is biased in the fuel injection advancing direction until the first lever engages the second lever. The second lever applies a minimum force required to the heat-sensitive material thereby to make the latter durable and reliable.

REFERENCES:
patent: 4177775 (1977-12-01), Hofer
patent: 4183342 (1980-01-01), Lohner
patent: 4312312 (1982-01-01), Hofer
patent: 4359995 (1982-11-01), Mowbray
patent: 4387688 (1983-06-01), Eheim
patent: 4406268 (1983-09-01), Eheim
patent: 4501252 (1985-02-01), Stumpp
patent: 4509470 (1985-04-01), Ito
patent: 4563996 (1986-01-01), Konrata

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