Method and means for increasing the mean efficiency of an Otto c

Details Method and means for increasing the mean efficiency of an Otto c Method and means for increasing the mean efficiency of an Otto c

1977-02-22

1979-03-13

Myhre, Charles J.

Internal-combustion engines

Four-cycle

Variable clearance

123 48A, F02B 7504

Patent

active

041436288

ABSTRACT:
For improving the efficiency of an Otto cycle engine operating under varying loads, an opposing piston is provided above the driving piston in each cylinder and is controlled in accordance with the inlet manifold depression so as to vary the compression ratio and maintain the compression substantially constant with different working loads.

REFERENCES:
patent: 1243522 (1917-10-01), Hillhouse
patent: 1373862 (1921-04-01), Buonocore et al.
patent: 1639477 (1927-08-01), Wilson
patent: 1805540 (1931-05-01), Brown
patent: 1812572 (1931-06-01), Talbot
patent: 2142621 (1939-01-01), Tsuneda
patent: 2145017 (1939-01-01), Tsuneda
patent: 2467568 (1949-04-01), Rosaen

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