Internal combustion engine comprising means for controlling the

Details Internal combustion engine comprising means for controlling the Internal combustion engine comprising means for controlling the

1982-03-08

1983-08-23

Burns, Wendell E.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 65PE, 123393, F02D 906, F02D 700

Patent

active

043997880

ABSTRACT:
In a two-stroke cycle internal combustion engine, cylinder structure has an inside peripheral surface which defines a cylinder bore and is formed with an exhaust port, which has an axial extent along the axis of said cylinder bore and communicates with said exhaust system. A piston is axially reciprocable in said cylinder bore and adapted to open and close said port. A restricting member is mounted in said cylinder structure adjacent to said port and adjustable between a full-flow position, in which said restricting member exposes said exhaust port throughout its axial extent, and a restricting position, in which said restricting member restricts the axial extent of said exhaust port. A positioning drive is operatively connected to said restricting member and operable to adjust said restricting member between said full-flow and restricting positions. The positioning drive is adapted to be controlled in dependence on the exhaust gas pressure in said exhaust gas system.

REFERENCES:
patent: 1462945 (1923-07-01), Spiro
patent: 4121552 (1978-10-01), Mithuo et al.
patent: 4333431 (1982-06-01), Iio et al.
patent: 4364346 (1982-12-01), Shiohara

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