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Patent Searching and Data


Title:
SWITCHING VALVE AND INTERMITTENT AIR BLOWER GUN
Document Type and Number:
WIPO Patent Application WO/2018/043032
Kind Code:
A1
Abstract:
This intermittent air blower gun (10a) has a switching valve (26) provided with a switching valve case (27) and a valve assembly (31) The valve assembly (31) comprises: a valve body (53) for opening and closing a valve hole; a small-diameter piston (33) for dividing a small-diameter pilot chamber (34); and a large-diameter piston (37) for dividing a large-diameter pilot chamber (38). When air discharged from the inside of the switching valve case (27) to an air discharge section (24) is supplied to the large-diameter pilot chamber (38) through a bypass flow passage (77), the valve body (53) is switched to a closing position, and when air is discharged, the valve body (53) is switched to an open position.

Inventors:
FURUKAWA, Yoshihiro (11-28 Midori-cho 3-chome, Koganei-sh, Tokyo 33, 〒1848533, JP)
TERAKI, Koichi (11-28 Midori-cho 3-chome, Koganei-sh, Tokyo 33, 〒1848533, JP)
Application Number:
JP2017/028388
Publication Date:
March 08, 2018
Filing Date:
August 04, 2017
Export Citation:
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Assignee:
KOGANEI CORPORATION (11-28, Midori-cho 3-chome Koganei-sh, Tokyo 33, 〒1848533, JP)
International Classes:
F16K31/124; B05B1/08; B08B5/02; F16K21/00; F16K31/143
Foreign References:
JPH06235476A1994-08-23
JP2014083518A2014-05-12
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (3F Shinjuku Gyoen Bldg, 3-10 Shinjuku 2-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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