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1. (WO2018043032) SWITCHING VALVE AND INTERMITTENT AIR BLOWER GUN

Pub. No.:    WO/2018/043032    International Application No.:    PCT/JP2017/028388
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Sat Aug 05 01:59:59 CEST 2017
IPC: F16K 31/124
B05B 1/08
B08B 5/02
F16K 21/00
F16K 31/143
Applicants: KOGANEI CORPORATION
株式会社コガネイ
Inventors: FURUKAWA, Yoshihiro
古川 良裕
TERAKI, Koichi
寺木 功一
Title: SWITCHING VALVE AND INTERMITTENT AIR BLOWER GUN
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.