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Patent Searching and Data


Title:
ESTIMATION APPARATUS AND ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/039295
Kind Code:
A1
Abstract:
This estimation apparatus for a synchronization device provided with a dog gear, a synchronizing sleeve, and a synchronizer ring, is provided with: a stroke sensor that can detect a shift stroke amount of the synchronizing sleeve; a stroke difference calculation unit that calculates a stroke difference which is a difference between a shift stroke amount at the start of synchronization and a shift stroke amount at the end of a gear-in operation on the basis of the detection value of the stroke sensor acquired during the gear-in operation; and an abrasion estimation unit that estimates an abrasion amount or an abrasion degree of a synchronizing element of the synchronization device on the basis of the stroke difference.

Inventors:
KAMADA Shinji (Fujisawa Plant 8 Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
Application Number:
JP2018/029867
Publication Date:
February 28, 2019
Filing Date:
August 09, 2018
Export Citation:
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Assignee:
ISUZU MOTORS LIMITED (6-26-1, Minami-oi Shinagawa-k, Tokyo 22, 〒1408722, JP)
International Classes:
F16D25/12; F16D13/75; F16D23/06
Foreign References:
JP2017129245A2017-07-27
JP2008128438A2008-06-05
JPH09280348A1997-10-28
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (The Stagio East 717, 19-31 Nishiaraisakaecho 1-chome, Adachi-k, Tokyo 43, 〒1230843, JP)
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