Electromagnetic auxiliary exhausting device

Details Electromagnetic auxiliary exhausting device Electromagnetic auxiliary exhausting device

1991-02-20

1992-04-28

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65V, F02B 2706

Patent

active

051078015

ABSTRACT:
An electromagnetic auxiliary exhausting device enabling a two-stroke engine to have an improved scavenging efficiency and an improved combustion efficiency is provided. The device includes an electromagnetic valve mounted on the engine cylinder, an actuator, and a controller responsive to an operating condition of the engine for controlling the actuator. The valve includes a movable valve needle component having a first seat surface, an immovable valve body having a second corresponding seat surface, a spring for tightly matching the seat surfaces against each other, and a coil energizable by a current pulse outputted from the actuator to result in an electromagnetic force capable of overcoming the force effected by the spring.

REFERENCES:
patent: 2189106 (1940-02-01), Garve et al.
patent: 2401858 (1946-06-01), Clark
patent: 4121552 (1978-10-01), Mithuo et al.
patent: 4903482 (1990-02-01), Overington et al.
patent: 5000131 (1991-03-01), Masuda

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