Internal-combustion engines – Frame construction – Horizontal cylinder
Reexamination Certificate
2007-02-06
2007-02-06
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Frame construction
Horizontal cylinder
C123S1960CP
Reexamination Certificate
active
11134260
ABSTRACT:
An oil pan for internal combustion engine which is lightweight and has improved stiffness and vibration suppression, achieved by reducing the number of components. The oil pan includes an upper portion to be attached to the bottom portion of a cylinder block directly or through an adaptor plate and a lower portion provided on the bottom of the upper portion, with a baffle plate formed integrally downward of the upper portion. An oil supplying means which sucks the oil accumulated in the lower portion and supplies the sucked oil to portions of the internal combustion engine is provided.
REFERENCES:
patent: 5653205 (1997-08-01), Ozeki
patent: 3-52312 (1991-05-01), None
Hada Masatoshi
Ohta Yasuki
Aichi Machine Industry Co. Ltd.
Ali Hyder
Cronin Stephen K.
Dennison, Schultz & MacDonald
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