Title:
LUBRICATION STRUCTURE OF DIFFERENTIAL GEAR
Document Type and Number:
Japanese Patent JP2016166651
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve the lubrication performance of a sliding portion of a pinion shaft and a pinion of a differential gear.SOLUTION: A pinion shaft 17 is formed with a part supporting a pair of pinions 19 on a circular cross section. When a lubricant drawn by the rotating pinion 19 is pressed in a nonuniform clearance α formed between the inner peripheral surface of the pinion 19 energized in a diametrical direction by engagement reaction force received from a side gear 20 and the outer peripheral surface of the pinion shaft 17, the generation of a boundary lubrication area in which a membrane of a lubricant becomes thin is minimized by raising sufficient hydraulic pressure in a wide region in the clearance α, thereby suppressing heat generation by friction. On the pinion shaft 17, a plurality of oil holes 17c penetrating the inside thereof is formed, so that the cooling performance of the pinion shaft 17 can be ensured by the lubricant flowing in the oil holes 17c.SELECTED DRAWING: Figure 2
Inventors:
KANEHARA SHIGERU
Application Number:
JP2015046722A
Publication Date:
September 15, 2016
Filing Date:
March 10, 2015
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F16H48/08; F16H57/04
Domestic Patent References:
| JPH04109249U | 1992-09-22 | |||
| JP2014190526A | 2014-10-06 | |||
| JPS5923159A | 1984-02-06 | |||
| JPH07269684A | 1995-10-20 | |||
| JP2007078053A | 2007-03-29 |
Attorney, Agent or Firm:
Ken Ochiai
Kazuaki Niki
Nude Shima Shinji
Kazuaki Niki
Nude Shima Shinji
Previous Patent: JP2016166650
Next Patent: It is a manufacturing method of a bearing at its bearing and cone time at the griddle maintenance ma...
Next Patent: It is a manufacturing method of a bearing at its bearing and cone time at the griddle maintenance ma...