Vacuum operated apparatus for controlling the ignition timing of

Details Vacuum operated apparatus for controlling the ignition timing of Vacuum operated apparatus for controlling the ignition timing of

1985-04-04

1986-11-18

Argenbright, Tony M.

Internal-combustion engines

Spark ignition timing control

Electronic control

F02P 512

Patent

active

046229370

ABSTRACT:
Vacuum operated apparatus for controlling the ignition timing of an engine, which apparatus comprises valve means and first, second, third and fourth conduit means, the valve means comprising a first chamber, first and second ports in the first chamber, first obturator means for opening and closing the second port, a second chamber, third and fourth ports in the second chamber, and second obturator means for opening and closing the fourth port, the first conduit means being for connecting the first port to an engine inlet manifold, the third conduit means being for connecting the third port to an engine carburetor, and the second and fourth conduit means being for connecting the second and fourth ports respectively to an engine distributor, and the apparatus being such that in use the valve means receives first vacuum forces from the inlet manifold via the first conduit means and second vacuum forces from the carburetor via the third conduit means, the valve means being operative to transmit the greater of the first and the second vacuum forces via the second and the fourth ports and the second and fourth conduit means to the engine distributor so that the engine distributor always receives the optimum vacuum force for causing the optimum adjustment of the engine distributor.

REFERENCES:
patent: 3329136 (1967-07-01), Cadiou
patent: 3478729 (1969-11-01), Tada
patent: 3730154 (1973-05-01), Vortanian
patent: 4399780 (1983-08-01), Lassanske et al.

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