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Title:
LUBRICATING STRUCTURE FOR HYDROSTATIC CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP2006226301
Kind Code:
A
Abstract:

To provide a structure of an oil passage for lubricating oil injection capable of being efficiently manufactured and having a high degree of freedom in setting for a lubricating structure for a hydrostatic continuously variable transmission having a hydraulic circuit composed of a high pressure oil passage sending a working fluid from a hydraulic pump to a hydraulic motor side between the hydraulic pump and the hydraulic motor, and a low pressure oil passage sending a working fluid from the hydraulic motor side to the hydraulic pump side, and fixing a cylinder member storing the hydraulic pump and the hydraulic motor to a transmission shaft by a cotter and a retainer holding the cotter.

This structure is composed of a transmission shaft center oil passage formed in the center of the transmission shaft in an axial direction, a circumference direction oil passage formed between the inner circumference side of the retainer and the outer circumference of the transmission shaft, a radial direction oil passage keeping communication between the circumference direction oil passage and the transmission shaft center oil passage and formed with an orifice, and a lubricating oil injection hole injecting lubricating oil from the circumference direction oil passage formed on the retainer.


Inventors:
YOSHIDA YOSHIHIRO
MITSUBORI TOSHIMASA
YAGIGAYA NOBUYUKI
Application Number:
JP2005000037265
Publication Date:
August 31, 2006
Filing Date:
February 15, 2005
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F16H39/14; F16H61/40; F16H61/4165
Domestic Patent References:
JPH08312759A1996-11-26
JPH1182669A1999-03-26
JP2000130565A2000-05-12
JPS61274166A1986-12-04
Attorney, Agent or Firm:
江原 望
中村 訓
小田 光春