Title:
RETENTION OF CHAIN TENSIONER PISTON
Document Type and Number:
WIPO Patent Application WO/2019/139565
Kind Code:
A1
Abstract:
A camshaft chain tensioner, comprising: a piston having an exterior circumferential surface that includes at least one groove; an expandable clip, positioned around the exterior circumferential surface, that includes a first end and a second end, the expandable clip being expandable from a resting diameter to an expanded diameter, wherein the expandable clip existing in the resting diameter engages one of the grooves and prevents axial movement of the piston and wherein the expandable clip existing in the expanded diameter permits axial movement of the piston in response to an axial force exerted on the piston; and a clip retention device that releasably engages the expandable clip and inhibits radially outward expansion of the expandable clip to the expanded diameter of the expandable clip.
Inventors:
FREEMANTLE PAUL (US)
GALLOW ALLEN (US)
MIELBRECHT RON (US)
GALLOW ALLEN (US)
MIELBRECHT RON (US)
Application Number:
PCT/US2018/013053
Publication Date:
July 18, 2019
Filing Date:
January 10, 2018
Export Citation:
Assignee:
BORGWARNER INC (US)
International Classes:
F16H7/08; F01L1/02; F16G1/28
Foreign References:
| US20120309570A1 | 2012-12-06 | |||
| US20030139235A1 | 2003-07-24 | |||
| US20040138018A1 | 2004-07-15 | |||
| US20060003859A1 | 2006-01-05 | |||
| US20110111898A1 | 2011-05-12 |
Attorney, Agent or Firm:
CICOTTE, Colin (US)
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