Safety apparatus for combustion engine

Details Safety apparatus for combustion engine Safety apparatus for combustion engine

1991-07-25

1992-07-28

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123337, F02D 700

Patent

active

051333201

ABSTRACT:
A safety apparatus for a combustion engine includes a rotary member disposed in a rotating portion of the internal combustion engine, a spiral spring supported by the rotary member at one end and biasing the rotary member in a predetermined direction, an engaging member engaging with the other end of the spiral spring, a housing for receiving the spiral spring, and a guide member arranged over at least the outer side periphery of the overlapping portion of the spiral spring and extending along the circumferential direction of the spiral spring to prevent the spiral spring from expanding in diameter. With this construction, when breakage is caused in the spiral spring, hooking of the broken end onto the engaging member can be prevented by the guide member. Therefore, it can prevent the throttle valve from being biased toward opening direction by the broken spiral spring.

REFERENCES:
patent: 3880125 (1975-04-01), Kammerer et al.
patent: 4433655 (1984-02-01), Villella
patent: 4779590 (1988-10-01), Utgoff, Jr.

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