Internal-combustion engines – Four-cycle – Variable clearance
Patent
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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