Control device

Details Control device Control device

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/126 (2006.01)

Patent

CA 2497390

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).

L'invention concerne un régulateur doté d'un surpresseur (11) qui transmet, après amplification, une force s'exerçant sur un piston (10) à une tige de soupape (9), et qui comporte des corps oscillants (25) dont les parties latérales extérieures et intérieures s'appuient, depuis le bas, sur le périmètre extérieur du piston (10) ainsi que sur un collet (22a) monté dans la tige de soupape (9), et surmontent des enveloppes (7, 8) pour pivoter sur des arbres horizontaux (26) placés sur le côté latéral intérieur. Des joints à soufflets métalliques (16) assurant l'étanchéité d'un espace d'admission d'air comprimé étant montés entre le périmètre extérieur de la paroi supérieure (8a) de l'enveloppe et le périmètre extérieur du piston (10).

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