Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Patent
1994-06-27
1995-12-19
Okonsky, David A.
Internal-combustion engines
Adjustable combustion chamber
Piston in head adjusted
123 78B, F02B 7504
Patent
active
054760747
ABSTRACT:
A variable compression height piston for reciprocating internal combustion engine includes a lower piston coupled to a connecting rod and an upper piston slidably carried upon the lower piston. A hydraulically actuated mechanical latching system interposed between the lower and upper pistons allows a system controller to selectably maintain the upper piston in a plurality of predetermined compression heights.
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SAE Technical Paper Series 901539 "Variable Compression Pistons" Cedric Ashley.
Boggs David L.
Schechter Michael M.
Drouillard Jerome R.
Ford Motor Company
May Roger L.
Okonsky David A.
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