Title:
CONTROLLER
Document Type and Number:
WIPO Patent Application WO/2004/023012
Kind Code:
A1
Abstract:
A controller, comprising a booster means (11) for transmitting, after amplifying, a force acting on a piston (10) to a valve stem (9) having oscillating bodies (25) with outside end parts and inside end parts allowed to abut, from the lower side, on the outer peripheral part of the piston (10) and a flange part (22a) installed in the valve stem (9), respectively, and supported on casings (7, 8) so as to be oscillated around horizontal shafts (26) positioned on the inner end side thereof, wherein a metal bellows (16) for sealing a compressed air introducing space is installed between the outer peripheral part of the top wall (8a) of the casing and the outer peripheral part of the piston (10).
Inventors:
TANIKAWA TSUYOSHI (JP)
YAKUSHIJIN TADAYUKI (JP)
NAKATA TOMOHIRO (JP)
YAKUSHIJIN TADAYUKI (JP)
NAKATA TOMOHIRO (JP)
Application Number:
PCT/JP2003/010605
Publication Date:
March 18, 2004
Filing Date:
August 22, 2003
Export Citation:
Assignee:
FUJIKIN KK (JP)
TANIKAWA TSUYOSHI (JP)
YAKUSHIJIN TADAYUKI (JP)
NAKATA TOMOHIRO (JP)
TANIKAWA TSUYOSHI (JP)
YAKUSHIJIN TADAYUKI (JP)
NAKATA TOMOHIRO (JP)
International Classes:
F16H21/44; F16K7/17; F16J15/52; F16K31/126; (IPC1-7): F16K31/126
Foreign References:
| JP2000009254A | 2000-01-11 | |||
| JPH05187572A | 1993-07-27 | |||
| JPH039740Y2 | 1991-03-11 | |||
| JPH08303630A | 1996-11-22 | |||
| US5346172A | 1994-09-13 | |||
| US4684103A | 1987-08-04 | |||
| JPH07139648A | 1995-05-30 |
Other References:
See also references of EP 1548343A4
Attorney, Agent or Firm:
Hibi, Norihiko c/o KISHIMOTO & CO. (3rd Floor Inaba Building, 13-18,
Nishishinsaibashi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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