Lubricating structure for an internal combustion engine
AssigneeHonda Motor Co., Ltd.
InventorsChikashi Takiguchi, Junji Konaka, Ryuji Maeda
Life of this patent
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Abstract
An internal combustion engine wherein the oil heat radiation amount from an oil chamber can be increased. A crank side oil chamber formed in a crankcase is divided into a first oil chamber and a second oil chamber with first openings for communicating with a transmission side oil chamber formed in a transmission case being provided in the first oil chamber while a second opening for communicating with the second oil chamber is provided in the transmission side oil chamber.
Claims18
An internal combustion engine wherein a transmission case which accommodates a transmission is provided on one side of a crankcase which supports a crankshaft and a crank side oil chamber is provided at a lower portion of said crankcase comprising:
- a transmission side oil chamber partitioned from a transmission accommodation section is provided at a lower portion of said transmission case such that oil is circulated through said transmission side oil chamber,
- wherein said crank side oil chamber has a first oil chamber and a second oil chamber separate from each other, and
- a first opening is in constant flow communication with said transmission side oil chamber provided in said first oil chamber while a second opening is in constant flow communication with said second oil chamber provided in said transmission side oil chamber.
An internal combustion engine including a transmission case for accommodating a transmission is provided on one side of a crankcase which supports a crankshaft comprising:
- a crank side oil chamber formed at a lower portion of said crankcase;
- and
- a transmission side oil chamber formed from a transmission accommodation section, said transmission side oil chamber being provided at a lower portion of said transmission case;
- wherein oil is circulated through said transmission side oil chamber,
- wherein said crank side oil chamber has a first oil chamber and a second oil chamber separate from each other, and
- a first opening is in constant flow communication with said transmission side oil chamber provided in said first oil chamber while a second opening is in constant flow communication with said second oil chamber provided in said transmission side oil chamber.
Dependencies are inferred from the claim text.