Title:
通気ユニット
Document Type and Number:
Japanese Patent JP6970189
Kind Code:
B2
Abstract:
The ventilation unit includes: an explosion-proof valve 10 that permits gas to flow from the inside of a housing 120 to the outside of the housing 120 when internal pressure within the housing 120 is higher than external pressure outside the housing 120 by a value larger than or equal to a predetermined value, and is capable of returning to block the flow of the gas from the inside of the housing 120 to the outside of the housing 120; and a ventilation membrane 40 that permits gas to flow between the inside and the outside of the housing 120 even when a pressure difference between the internal pressure and the external pressure is less than the predetermined value.
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Inventors:
Nakayama Yusuke
Yano Yozo
Yano Yozo
Application Number:
JP2019514622A
Publication Date:
November 24, 2021
Filing Date:
April 26, 2018
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
F16K17/02; H01M50/24
Domestic Patent References:
| JP2013168293A | ||||
| JP2016023753A | ||||
| JP61061367U | ||||
| JP61171809U | ||||
| JP48076425U | ||||
| JP2015205420A | ||||
| JP2008253956A | ||||
| JP5427136Y2 |
Foreign References:
| WO2017017199A1 |
Attorney, Agent or Firm:
Jiro Kobe
Fumio Ogata
Takanashi Sakurako
Fumio Ogata
Takanashi Sakurako
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