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Title:
POWER TRANSMISSION FOR FOUR-WHEEL DRIVE VEHICLE
Document Type and Number:
Japanese Patent JP3943676
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To easily form an orifice and to stabilize an orifice characteristic in a power transmission for a four-wheel drive vehicle provided with a hydraulic coupling device.
SOLUTION: A hydraulic coupling device H is provided with left and right vane pumps PL,PR for delivering hydraulic fluid by relative rotation of a main driving wheel to left and right sub-driving wheels, the first orifices 37L, 37R for communicating suction ports with delivery ports of the respective vane pumps PL, PR are formed in a side plate 28 arranged between the vane pumps PL and PR, and orifices 38, for communicating the suction port of the pump PL with the suction port of the pump PR and for communicating the delivery ports in the same manner are formed.


Inventors:
北 貫二
黒川 卓也
Application Number:
JP1997000289848
Publication Date:
July 11, 2007
Filing Date:
October 22, 1997
Export Citation:
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Assignee:
本田技研工業株式会社
International Classes:
B60K17/34; B60K17/35; B60K23/08; F16H39/40; (IPC1-7): B60K17/34
Domestic Patent References:
JP7125555A
JP1094128U
JP5061482U
JP58175424U
Attorney, Agent or Firm:
落合 健
仁木 一明