Title:
ガス遮断装置
Document Type and Number:
Japanese Patent JP7080158
Kind Code:
B2
Abstract:
To provide a gas shut-off device capable of determining whether a forced shutoff input is on and when the ON state continues the bidirectional valve is not allowed to perform return processing.SOLUTION: The gas shut-off device includes: a flow rate detection part 11; a flow rate calculation part 12; abnormality determination part 13; a valve drive part 14; a bidirectional valve 15; a recovery input section 16; a recovery possibility determination part 17; a forced shutoff multiple determination part 18; and a forced shutoff input part 19. When the forced on/off signal of the forced shutoff input part 19 is off, the recovery possibility determination part receives a return signal and outputs a valve open signal.SELECTED DRAWING: Figure 1
Inventors:
Takuhisa Otani
Kazuki Shioda
Enomoto Mitsunobu
Ryushi Iwamoto
Kiba Yasuo
Takashi Yamato
Uno Nagatake
Hirohisa Sakuma
Sota Tsuchiya
Kyotaro Tanaka
Takanobu Sato
Hideaki Kumemura
Masahiro Yasui
Tamura Itaru
Shoji Asada
Takuya Fukasawa
Takuya Yamazaki
Kazuki Shioda
Enomoto Mitsunobu
Ryushi Iwamoto
Kiba Yasuo
Takashi Yamato
Uno Nagatake
Hirohisa Sakuma
Sota Tsuchiya
Kyotaro Tanaka
Takanobu Sato
Hideaki Kumemura
Masahiro Yasui
Tamura Itaru
Shoji Asada
Takuya Fukasawa
Takuya Yamazaki
Application Number:
JP2018216754A
Publication Date:
June 03, 2022
Filing Date:
November 19, 2018
Export Citation:
Assignee:
Panasonic Holdings Co., Ltd.
Tokyo Gas Co., Ltd.
OSAKA GAS CO.,LTD.
Toho Gas Co., Ltd.
Tokyo Gas Co., Ltd.
OSAKA GAS CO.,LTD.
Toho Gas Co., Ltd.
International Classes:
F16K17/36; G01F3/22; F23K5/00; F23N5/24; G01F1/00; G01F1/667; G01F15/063
Domestic Patent References:
| JP4099881B2 | ||||
| JP4697236B2 | ||||
| JP4697237B2 | ||||
| JP4215009B2 | ||||
| JP5926595B2 |
Attorney, Agent or Firm:
Aiko Patent Office, a patent business corporation
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