Title:
SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/156820
Kind Code:
A1
Abstract:
In order to provide a seal device that has a sealing structure that enables assembly without a decrease in efficiency in a CVT assembly step and that does not leak oil even in situations when an engine is off and an oil pump is not operating, or in other words situations when oil pressure is not imparted to the sealing, the configuration is such that a combined sealing contains an endless resin ring, of which the outer peripheral surface slides against the inner peripheral surface of an outer member, and a coil expander that presses the resin ring in the outer peripheral direction and the lateral direction, the coil expander is disposed in a cut section provided to the corner of the inner peripheral surface and pressure bearing surface of the resin ring, and the inner peripheral side of the combined sealing is spaced from the groove bottom of the sealing groove.
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Inventors:
YAKO NAGATO (JP)
SHINADA TAKASHI (JP)
FUKADA JUN (JP)
SHINADA TAKASHI (JP)
FUKADA JUN (JP)
Application Number:
PCT/JP2014/057296
Publication Date:
October 02, 2014
Filing Date:
March 18, 2014
Export Citation:
Assignee:
RIKEN KK (JP)
International Classes:
F16J9/28; F16J15/18; F16J15/24
Foreign References:
| JPS53146855U | 1978-11-18 | |||
| JP2011144847A | 2011-07-28 | |||
| JPS6252258U | 1987-04-01 | |||
| JP2005264978A | 2005-09-29 | |||
| JP2007032446A | 2007-02-08 | |||
| JP2008190643A | 2008-08-21 | |||
| JP2008190650A | 2008-08-21 |
Other References:
See also references of EP 2980459A4
Attorney, Agent or Firm:
TAKAISHI Kitsuma (JP)
Kitsuma Takaishi (JP)
Kitsuma Takaishi (JP)
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