Title:
CHANNEL SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2020/085127
Kind Code:
A1
Abstract:
[Problem] To provide a channel switching valve that makes it possible to enhance air circulation performance and effectively reduce the size in the height direction. [Solution] With this channel switching valve 1, a sensor support section 84 of a potentiometer base 82 is formed in a disk shape of smaller diameter than a large-diameter gear 67 that is attached to a valve stem 40. A potentiometer 85 is attached, and also disposed so as to overlap with the large-diameter gear 67. A ventilation section 70 provided to an upper wall section 54 of a gear case section 52 includes: a flat section 71 to which a ventilation hole 71a is provided; a ventilation pipe 72 that connects to the ventilation hole 71a and extends upward; and a cap-shaped filter member 73 covering the ventilation pipe 72. The ventilation hole 71a of the ventilation section 70 is arranged so as to face opposite a second worm 66 of an intermediate gear 63.
Inventors:
KONDO DAISUKE (JP)
MOCHIZUKI KENICHI (JP)
HARA SEIICHI (JP)
YAMASHITA MASASHI (JP)
MOCHIZUKI KENICHI (JP)
HARA SEIICHI (JP)
YAMASHITA MASASHI (JP)
Application Number:
PCT/JP2019/040266
Publication Date:
April 30, 2020
Filing Date:
October 11, 2019
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K51/00; F16K27/06; F16K31/53; F16K37/00
Foreign References:
| JP2017003033A | 2017-01-05 | |||
| JP2017051027A | 2017-03-09 | |||
| JPH0243575U | 1990-03-26 | |||
| JPH0389280U | 1991-09-11 | |||
| JP2008199799A | 2008-08-28 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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