Title:
AUTOMATIC DRAIN
Document Type and Number:
WIPO Patent Application WO/2015/159449
Kind Code:
A1
Abstract:
A drain hole (22) for connecting a discharge opening (17) and the inside of a collection container (14) is formed in a valve seat member (21). A float support base (25) is provided with a cylinder section (25a) into which a piston (26) is mounted in a slidable manner. An air passage valve (31) for opening and closing an air passage hole (29) by means of a float (28) is provided to the float support base (25). A drain valve (44) which operates between a closed position at which the drain valve (44) closes the drain hole (22) and an open position at which the drain valve (44) opens the drain hole (22) is provided in the piston (26). A bleed flow passage (49) for connecting a piston chamber (27) and the discharge hole (17) is formed by an orifice pin (48) mounted in a bleed hole (47) provided in the drain valve (44).
Inventors:
DOKI MAKOTO (JP)
Application Number:
PCT/JP2014/080155
Publication Date:
October 22, 2015
Filing Date:
November 14, 2014
Export Citation:
Assignee:
KOGANEI LTD (JP)
International Classes:
F16T1/20
Foreign References:
| JPH0238598U | 1990-03-14 | |||
| JPH03111915A | 1991-05-13 | |||
| JP2005155727A | 2005-06-16 |
Attorney, Agent or Firm:
TSUTSUI, Yamato et al. (JP)
Tsutsui Daiwa (JP)
Tsutsui Daiwa (JP)
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