Title:
VACUUM BREAKER
Document Type and Number:
Japanese Patent JP2023034031
Kind Code:
A
Abstract:
To suppress occurrence of water leakage.SOLUTION: A vacuum breaker comprises: a body part including a first atmosphere introduction port communicating with a first water passage connecting a first water inlet port and a first water outlet port and a second atmosphere introduction port communicating with a second water passage connecting a second water inlet port and a second water outlet port; and a valve body for opening/closing the first atmosphere introduction port and the second atmosphere introduction port. The valve body closes the first atmosphere introduction port when the first water passage is a water passing state and opens the first atmosphere introduction port when the first water passage is a non-water passing state; and closes the second atmosphere introduction port when the second water passage is a water passing state and opens the second atmosphere introduction port when the second water passage is a non-water passing state. The body part comprises: a water reception part for receiving washing water overflowing from the first atmosphere introduction port and the second atmosphere introduction port; a discharge part for discharging washing water overflowing at the water reception part; and a guide part for guiding washing water overflowing from the first atmosphere introduction port to the second atmosphere introduction port.SELECTED DRAWING: Figure 2
Inventors:
NISHIMURA TAKASHI
KASHIMURA HIDEAKI
WATANABE KENJI
KASHIMURA HIDEAKI
WATANABE KENJI
Application Number:
JP2021140088A
Publication Date:
March 13, 2023
Filing Date:
August 30, 2021
Export Citation:
Assignee:
TOTO LTD
International Classes:
E03D1/20; E03D11/13; F16K24/00
Attorney, Agent or Firm:
Sakai International Patent Office
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