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Patent Searching and Data


Title:
CHAIN TENSIONER
Document Type and Number:
WIPO Patent Application WO/2019/172078
Kind Code:
A1
Abstract:
Provided is a chain tensioner which has high ability of following the slacking of a chain and has a reduced amount of oil consumption. This chain tensioner adopts a configuration having: a cylinder (9); a cylindrical plunger (10); a sleeve (16) provided and affixed within the cylinder (9) while one end of the sleeve (16) is inserted in the plunger (10), and the other end of the sleeve (16) protrudes from the plunger (10); a cylindrical space (29) formed between the outer periphery of the sleeve (16) and the inner periphery of the cylinder (9); an oil supply passage (31) formed so that the inner end of the cylinder (9) is open to the cylindrical space (29); and a communication passage (30) provided in the sleeve (16) so as to connect the cylindrical space (29) and a reservoir chamber (27).

Inventors:
ONIMARU Kouichi (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
Application Number:
JP2019/007848
Publication Date:
September 12, 2019
Filing Date:
February 28, 2019
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16H7/08; F02B67/06
Foreign References:
JP2010286090A2010-12-24
JP2016223506A2016-12-28
JP2011127705A2011-06-30
Attorney, Agent or Firm:
KAMADA Naoya et al. (18-12, Nipponbashi 1-chome Chuo-ku, Osaka-sh, Osaka 73, 〒5420073, JP)
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