Valve mechanism for an internal combustion engine

Details Valve mechanism for an internal combustion engine Valve mechanism for an internal combustion engine

1984-08-06

1985-12-24

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

With nonvalving movement

123 9067, 123188SC, F01L 3122

Patent

active

045599092

ABSTRACT:
A valve mechanism for a poppet valve of an internal combustion engine having a conventional cam and rocker arm control mechanism. Valve springs are positioned and compressed between the poppet valve and a valve spring retainer. The valve spring retainer moves relative to the engine head responsive to engine speed to further compress the valve springs with increased engine speed. A hydraulic controller operates through linkage employing a detent mechanism such that step-wise advancement of the valve spring retainer results to approximate an ideal engine speed versus valve spring force curve.

REFERENCES:
patent: 1520575 (1924-12-01), Kandarian
patent: 1612030 (1926-12-01), Lange
patent: 3557762 (1971-01-01), Mitchell

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