Title:
VIBRATION CUTOFF DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/157284
Kind Code:
A1
Abstract:
To provide a vibration cutoff device that suppresses vibration transmission from an engine-side exhaust pipe to a rear muffler-side exhaust pipe, and at the same time, reliably discharges exhaust gas from the engine-side exhaust pipe to the rear muffler-side exhaust pipe. The present invention comprises: an annular gasket 130 that is disposed in an annular space V formed between an inner pipe 110 and an outer cup 160 and slidably abuts the inner pipe 110 and the outer cup 160; an annular stopper that is disposed in the annular space V and is fixed to an outer peripheral surface 111 of the inner pipe 110; an annular pressing member 140 that is disposed in the annular space V and abuts the gasket 130; and a spring 150 that is disposed in the annular space V and provides an urging force to the pressing member 140 and the stopper 120, wherein the gasket 130 has a spherical outer contact surface 131a that abuts a spherical inner peripheral surface 161bb formed in the outer cup 160.
Inventors:
SHIONOYA SHINICHI (JP)
KOIBUCHI RYOTA (JP)
KOIBUCHI RYOTA (JP)
Application Number:
PCT/JP2021/000576
Publication Date:
August 12, 2021
Filing Date:
January 08, 2021
Export Citation:
Assignee:
OILES INDUSTRY CO LTD (JP)
International Classes:
F01N13/08; F16J15/10; F16J15/12; F16L55/00
Foreign References:
| JP2005083365A | 2005-03-31 | |||
| JPH09209749A | 1997-08-12 | |||
| JP2008190510A | 2008-08-21 | |||
| JP2011137548A | 2011-07-14 | |||
| US5340165A | 1994-08-23 |
Attorney, Agent or Firm:
TOWA INTERNATIONAL PATENT FIRM (JP)
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