Internal-combustion engines – Four-cycle – Variable clearance
Patent
1988-07-06
1989-10-03
Okonsky, David A.
Internal-combustion engines
Four-cycle
Variable clearance
123193H, F02B 7504
Patent
active
048709298
ABSTRACT:
Disclosed herein is an internal combustion engine comprising first and second cylinders and first and second cylinder head cavities respectively aligned and communicating with said first and second cylinders to respectively define compression ratios respectively associated with each of said first and second cylinders, and means for providing each of said first and second cylinders with respectively different compression ratios selected to maximized the power produced in each cylinder without knocking.
REFERENCES:
patent: 3961607 (1976-06-01), Brems
patent: 4174683 (1979-11-01), Vivian
patent: 4286552 (1981-09-01), Tsutsumi
patent: 4499872 (1985-02-01), Ward et al.
patent: 4501236 (1985-02-01), Fletcher
Binversie Gregory J.
Calamia David C.
Daniels John M.
Macier James E.
Okonsky David A.
Outboard Marine Corporation
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