Internal combustion engine

Details Internal combustion engine Internal combustion engine

2007-11-20

2007-11-20

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Double-acting

Four-cycle

Reexamination Certificate

active

10451013

ABSTRACT:
A four stroke internal combustion engine (110) having at least one cylinder (13) having a double acting piston (16) dividing the cylinder into two combustion chambers (14&15) and being reciprocable within the cylinder (13) to perform a power stroke producing work on a crankshaft (21) whilst moving towards or away from the crankshaft. The piston (16) has a pivotal connection (30) with a connecting rod (17) in turn connected directly to the crankshaft (21). A separation plate (18) separates the engine sump (12) from the adjacent combustion chamber (15) and accommodates lateral movement of the connecting rod (17) passing sealingly therethrough.

REFERENCES:
patent: 2317167 (1943-04-01), Baer
patent: 3710767 (1973-01-01), Smith
patent: 4932373 (1990-06-01), Carson
patent: 5771849 (1998-06-01), Hamy
patent: 861976 (1998-09-01), None
patent: 145209 (1920-07-01), None

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