Variable compression ratio direct injection engine

Details Variable compression ratio direct injection engine Variable compression ratio direct injection engine

1988-02-22

1989-10-17

Wolfe, Willis R.

Internal-combustion engines

Four-cycle

Variable clearance

123 9031, 123188M, F02B 7504

Patent

active

048739472

ABSTRACT:
A variable compression ratio, direct injection engine. A rotatable collar in operative engagement with a cylinder liner holder assembly is utilized to raise and lower the cylinder liner relative to the crankshaft, thereby varying the compression ratio. A double chain drive mechanism maintains a constant valve timing relationship as the cylinder liner is raised and lowered. The head assembly is provided with a removable fire deck and a tapered intake port.

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Thomas W. Ryan, III, "Correlation of Physical and Chemical Ignition Delay to Cetane Number" pp. 2-3, Oct. 21-24, 1985, Tulsa, Okla.

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