Timing variator for the timing system of a reciprocating interna

Details Timing variator for the timing system of a reciprocating interna Timing variator for the timing system of a reciprocating interna

1979-03-13

1980-11-04

Haroian, Harry N.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

64 25, F01L 134

Patent

active

042313309

ABSTRACT:
This invention relates to a timing variator for the timing system of a reciprocating internal combustion engine of the type having a camshaft for the intake valves and another camshaft for the exhaust valves. At least one of said camshafts is coupled to a driving gear through an annular piston housed in a cavity connected to the outside through a slide valve. The latter includes a valve element provided with an eccentric mass, which is able to overcome the force of a preloaded spring and to move the valve element from open to closed position when the rotational speed of the engine is higher than a predetermined value.

REFERENCES:
patent: 2107070 (1938-02-01), Fleury
patent: 2162243 (1939-06-01), Browne
patent: 3258937 (1966-07-01), Kranc et al.
patent: 3401572 (1968-09-01), Bailey

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