Two-cycle engine

Details Two-cycle engine Two-cycle engine

1980-09-29

1982-07-06

Burns, Wendell E.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65P, 123 65R, 123 65PD, F02B 2514

Patent

active

043377343

ABSTRACT:
In a two cycle internal combustion engine having a cylinder, a piston, and an exhaust port, the improvement comprising tapering the edge of the exhaust port farthest into the cylinder where it intersects the cylinder wall as an isosceles triangle.

REFERENCES:
patent: 816711 (1907-07-01), Croft
patent: 1176096 (1916-03-01), Richter et al.
patent: 1468962 (1923-09-01), Davidson
patent: 1520620 (1924-12-01), Wall
patent: 1839576 (1932-01-01), Mohr et al.
patent: 1899217 (1933-02-01), Taylor et al.
patent: 1952275 (1934-03-01), Mohr
patent: 2393341 (1946-01-01), Schmeider
patent: 2638081 (1953-05-01), Spannhake
patent: 3945345 (1976-03-01), Johnston

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