Title:
換気装置
Document Type and Number:
Japanese Patent JP6682356
Kind Code:
B2
Abstract:
A ventilation device is automatically closed at low temperatures and at high temperatures and automatically opened at normal temperatures. The ventilation device includes an elongated device main body 10 including a main wail 12 having ventilation openings 12a formed therein, an elongated actuating plate 22 extending along the device main body 10 and slidably supported by the device main body 10 and a temperaturesensitive actuator A that automatically controls the actuating plate 22 to open and close the ventilation openings 12a according to temperature. The temperature-sensitive actuator A includes a support structure 30 disposed in the device main body 10, a first slider 40 notable with respect to the support struture 30 in a longitudinal direction of the device main body 10 and a second slider 50 movable with respect to the first slider 40 in the longitudinal direction of the device main body 0 The second slider 50 is connected to the actuating plate 22. A first shape memory spring 61 urges the first slider 40 in a closing direction A first bias spring 62 urges the first slider 40 in an opposite direction. A second shape-memory spring 63 urges the second sider 50 in an opening direction.
Inventors:
Ryuji Sato
Application Number:
JP2016105107A
Publication Date:
April 15, 2020
Filing Date:
May 26, 2016
Export Citation:
Assignee:
Sawara Co., Ltd.
International Classes:
F24F7/04; F24F11/76; F24F7/10; F24F13/10; F24F13/12
Domestic Patent References:
| JP63185044U | ||||
| JP2003307340A | ||||
| JP63132234U | ||||
| JP2004239546A |
Foreign References:
| WO2013118291A1 | ||||
| US20040123610 |
Attorney, Agent or Firm:
Noboru Watanabe
Harada Sanjugi
Tetsumi Aono
Harada Sanjugi
Tetsumi Aono