Title:
VACUUM BREAKER
Document Type and Number:
Japanese Patent JP2023034186
Kind Code:
A
Abstract:
To restrain water leakage from occurring.SOLUTION: A vacuum breaker according to an embodiment comprises a main body part, and a valve element. The main body part has an atmospheric air introduction port communicating with a water conduit connecting a water inlet and a water outlet. The valve element closes the atmospheric air introduction port when the water conduit is in a water passage state, and opens the atmospheric air introduction port when the water conduit is not in the water passage state. The main body part comprises a water receiving part, a cover, a first discharge part, and a second discharge part. The water receiving part receives washing water overflowing from the atmospheric air introduction port. The cover covers an upper side of the water receiving part. In the first discharge part, a discharge port for discharging washing water overflowing into the receiving part, from the water receiving part is formed. The second discharge part discharges washing water leaking from between the water receiving part and the cover.SELECTED DRAWING: Figure 2
Inventors:
NISHIMURA TAKASHI
KASHIMURA HIDEAKI
WATANABE KENJI
KASHIMURA HIDEAKI
WATANABE KENJI
Application Number:
JP2021140298A
Publication Date:
March 13, 2023
Filing Date:
August 30, 2021
Export Citation:
Assignee:
TOTO LTD
International Classes:
E03D11/13; F16K24/06
Attorney, Agent or Firm:
Sakai International Patent Office
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