Variable compression ratio piston

Details Variable compression ratio piston Variable compression ratio piston

1977-10-11

1979-02-06

Lazarus, Ira S.

Internal-combustion engines

Four-cycle

Variable clearance

123193P, 92 90, F02B 7504

Patent

active

041378733

ABSTRACT:
A piston for use in an internal combustion engine providing a variable compression ratio in response to pressure within the combustion chamber. The pistion includes a base portion which is connected to a crank and moves in an engine cylinder. Joined to the base is a head portion which includes a flexible top wall adjacent the combustion chamber which allows the head to compress downwardly toward the base in response to pressure in the combustion chamber.

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patent: 3741175 (1973-06-01), Rouger

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