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Title:
BUTTERFLY VALVE STRUCTURE
Document Type and Number:
Japanese Patent JP2017172510
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a butterfly valve structure reducing the generation of airflow noise.SOLUTION: A butterfly valve structure 1 has an opening portion 2a of a pipe 2 included in a silencer, and a valve body 5 provided on the opening portion 2a, and opening/closing the opening portion 2a. The opening portion 2a inclines to a center axis X-X of the pipe 2, and in a close state of the valve body 5, a part abutting on a valve seat 6 in the valve body 5 inclines to the center axis X-X of the pipe 2.SELECTED DRAWING: Figure 1

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Inventors:
EZAKI TAKASHI
TAKIMOTO JU
Application Number:
JP2016060640A
Publication Date:
September 28, 2017
Filing Date:
March 24, 2016
Export Citation:
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Assignee:
SANGO CO LTD
International Classes:
F01N1/08; F01N13/08; F16K15/03; F16K47/02
Domestic Patent References:
JPH09303131A1997-11-25
JPH09195749A1997-07-29
JPH10339128A1998-12-22
JPH0673329U1994-10-18
JPH11294136A1999-10-26
JP3028410U1996-09-03
JP2002303120A2002-10-18
JP2012180805A2012-09-20
JPS6196117A1986-05-14
JP2014190476A2014-10-06
Attorney, Agent or Firm:
Hasegawa Yoshimichi
Hiroyasu Sugiyama



 
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