Search International and National Patent Collections
|1. (WO2018043032) SWITCHING VALVE AND INTERMITTENT AIR BLOWER GUN|
|Title:||SWITCHING VALVE AND INTERMITTENT AIR BLOWER GUN|
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.