Title:
内燃機関用潤滑装置
Document Type and Number:
Japanese Patent JP4179715
Kind Code:
B2
Abstract:
A power unit includes an engine portion and a transmission portion. The bottom portion of a crankcase of the power unit is formed into a shape, in which the right and left sides thereof are tilted downwardly toward a central portion. A main shaft, a counter shaft, and an output shaft of a transmission chamber are disposed one above the other on a right side of a crankshaft. An oil tank is disposed on a right side of the transmission. A bulkhead divides the transmission chamber from the oil tank. The oil tank is formed into an approximately crescent shape with its lower end extending under the output shaft. A suction port of a feed pump is provided in the lowest portion of the crescent shaped oil tank. An oil inlet is provided directly over the oil tank. An overflow hole for allowing oil to overflow into a transmission chamber is provided in the bulkhead. An oil pump is provided in the crank case on the left side of the crank shaft. A scavenging pump pumps up oil from an oil sump located at the lowest portion of the bottom of the crank case. A drain hole, provided in a lower portion of the crank case, communicates to both the oil tank and the transmission chamber. The drain hole is plugged with a drain bolt.
Inventors:
Narita Satoshi
Kubota Toshiyuki
Takano Charter
Kubota Toshiyuki
Takano Charter
Application Number:
JP25006199A
Publication Date:
November 12, 2008
Filing Date:
September 03, 1999
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F01M1/02; F01M11/00; F01M1/12; F01M11/04; F01M11/06; F02B61/02; F02F7/00
Domestic Patent References:
| JP4298618A | ||||
| JP8028635A | ||||
| JP55036799U | ||||
| JP63075306A |
Attorney, Agent or Firm:
Kiyomitsu Komatsu