Title:
【発明の名称】弁
Document Type and Number:
Japanese Patent JP2001507432
Kind Code:
A
Abstract:
PCT No. PCT/SE97/01976 Sec. 371 Date Jun. 18, 1999 Sec. 102(e) Date Jun. 18, 1999 PCT Filed Nov. 28, 1997 PCT Pub. No. WO98/28561 PCT Pub. Date Jul. 2, 1998A valve for regulating a flow of gas, has a valve body with an inlet for the gas to be regulated, an outlet for a regulated flow of a gas, a valve seat with a valve opening, a moving closure part having a tensioned membrane mounted inside the valve body and a plunger, which is movable by a plunger actuator, whose end acts on the membrane, causing the closure part to close and open the valve opening and regulate the flow of gas through same. The flow of gas can be simply and inexpensively regulated, with great accuracy and repeatability and which forms a hermetic seal when the valve is in the closed position, a rigid, flat plate is be arranged opposite the valve seat the plate having a surface area which is at least equal to the surface area of the valve seat. The plate is arranged so that it follows the axial movements of the membrane and can be tilted in relation to the plunger's longitudinal axis, and the part of the plunger end acting on the membrane has a surface area smaller than the surface area of the valve seat.
Inventors:
Casper hegrund
Guerlain Rudin
Guerlain Rudin
Application Number:
JP52866798A
Publication Date:
June 05, 2001
Filing Date:
November 28, 1997
Export Citation:
Assignee:
Siemens-Elema Activola Get
International Classes:
F16K7/14; F16K7/16; F16K31/06; (IPC1-7): F16K7/16
Attorney, Agent or Firm:
Toshio Yano (2 outside)