Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/137937
Kind Code:
A1
Abstract:
The present invention improves the stability of the seating of a float on a valve seat. A valve device (100) comprises: a casing (1) in which a valve chamber (14) is formed; a valve seat (2) which is provided to the valve chamber (14) and which has a valve hole (21); a float (3) which is provided in the valve chamber (14) and which opens or closes the valve hole (21) by moving depending on the amount of drain in the valve chamber (14); and a support portion (4) supporting the float (3) that has closed the valve hole (21) by being seated on the valve seat (2). The support portion (4) includes: a base (41) having an opening (43) and formed in a frame shape; and two float seats (42) which are provided to the base (41) and on which the float (3) that has closed the valve hole (21) by being seated on the valve seat (2) is seated.
Inventors:
OIKE TADASHI (JP)
Application Number:
PCT/JP2021/042767
Publication Date:
June 30, 2022
Filing Date:
November 22, 2021
Export Citation:
Assignee:
TLV CO LTD (JP)
International Classes:
F16K31/18; F16T1/22; F16K33/00; F16T1/38
Foreign References:
| JP2007032644A | 2007-02-08 | |||
| JPS5913197A | 1984-01-23 | |||
| JPH06185660A | 1994-07-08 | |||
| JPH0442996U | 1992-04-13 | |||
| JP2011064229A | 2011-03-31 | |||
| JP2018123843A | 2018-08-09 | |||
| JPS61204096U | 1986-12-22 |
Attorney, Agent or Firm:
TERAZONO Kenichi et al. (JP)
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