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Patent Searching and Data


Title:
FLOAT VALVE
Document Type and Number:
Japanese Patent JP2016035318
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To stabilize opening/closing operation of a main float in a float valve in which the main float is seated on an auxiliary float.SOLUTION: A float valve 1 includes: a casing 10 having a valve chamber 13 and a discharge port 17; a spherical main float 20 which is disposed in the valve chamber 13 in a free state and opens/closes the discharge port 17; and an auxiliary float 30 which is disposed below the main float 20 in the valve chamber 13 and has an upper surface 32 on which the main float 20 is seated. The upper surface 32 of the auxiliary float 30 is formed into an inclined surface which inclines downward toward the discharge port 17 side and guides the main float 20 to a position where the main float 20 closes the discharge port 17. A restriction part 19 which allows only vertical movement of the auxiliary float 30 is provided in the valve chamber 13.SELECTED DRAWING: Figure 1

Inventors:
FUKUDA TAKESHI
Application Number:
JP2014159175A
Publication Date:
March 17, 2016
Filing Date:
August 05, 2014
Export Citation:
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Assignee:
TLV CO LTD
International Classes:
F16K31/18; F16T1/22
Domestic Patent References:
JP2002340287A2002-11-27
JPH08285188A1996-11-01
JPS5161503U1976-05-14
JPH0346288Y21991-09-30
JP346033063B
Foreign References:
US3489348A1970-01-13
Attorney, Agent or Firm:
寺薗 健一