Engine start facilitating valve

Details Engine start facilitating valve Engine start facilitating valve

1989-09-29

1991-04-16

Dolinar, Andrew M.

Internal-combustion engines

Starting device

Compression relieving type

417299, F02N 1700

Patent

active

050073915

ABSTRACT:
To facilitate start of a 2-cycle engine, for instance, compression pressure at the first compression stroke is released through the valve to reduce reaction force applied to an engine starter; once the mixture is ignited, explosion pressure at the first explosion stroke and after is accumulated in the accumulator space through the check valve member to keep the valve member closed against the valve spring, so that the engine is operated under the ordinary conditions; when the engine is at halt, accumulator pressure is released through the openable check valve member and the valve member opened by the valve spring to its original conditions.

REFERENCES:
patent: 854035 (1907-05-01), Hansen-Ellehammer
patent: 1254104 (1918-01-01), Wygodsky
patent: 3335711 (1967-08-01), Roorda
patent: 3704988 (1972-12-01), Steele
patent: 3782354 (1974-01-01), Tuckey
patent: 3893440 (1975-07-01), Dooley
patent: 4414933 (1983-11-01), Pribnow

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