Valve for flowing liquid-phase medium

F - Mech Eng,Light,Heat,Weapons – 16 – K

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F16K 31/70 (2006.01) F16K 1/44 (2006.01) F16K 1/54 (2006.01)

Patent

CA 2106963

A valve for a pipe system wherein liquid circulates is intended to be controlled dependent on the liquid temperature within the system by means of a thermostat adapted to actuate an electro magnet which, on its part, dependent on whether it is current-carrying or not. is adapted to retain the valve spindle (2) in a position corresponding to open or closed valve position, respectively. The valve housing (1) has a plate-shaped seat body (5) having a large central through-going flow opening (6) and a number of smaller corresponding openings (7) closer to the circumference. A spring-loaded (12) first valve body (10) is displaceably arranged on the spindle (2) and cooperates with the central opening (6) of the seat body (5) in order to close/open said opening, a concentrical, spring-loaded (13) hollow piece constituting a second valve body (11) which also is displaceably arranged on the spindle (2), cooperating with said peripheric openings (7) via an annular flange portion (11') in order to close/open the last-mentioned openings. The two valve bodies (10, 11) are axially displaceable in relation to each other, and they are each assigned a carrier (14, 15) on the spindle (2).

La présente invention porte sur une soupape destinée à une canalisation de liquide et commandée par la température du liquide qui y circule au moyen d'un thermostat qui actionne un électro-aimant pouvant être mis sous tension ou hors tension. L'électro-aimant est conçu de manière à maintenir la tige de soupape (2) en position ouverte ou fermée, selon que la soupape est ouverte ou fermée. Le logement de soupape (1) comporte un siège (5) en forme de plaque présentant en son centre une large ouverture (6) transversale d'écoulement et un certain nombre d'ouvertures correspondantes (7) plus petites pratiquées à proximité de la circonférence. Un premier corps de soupape mobile (10) à ressort (12) est monté sur la tige (2) et est associé à l'ouverture centrale (6) du siège (5) pour ouvrir ou fermer ladite ouverture. Une pièce creuse concentrique à ressort (13) constitue un deuxième corps de soupape mobile (11), également monté sur la tige (2), et il est associé aux ouvertures périphériques (7), par le biais d'une portion de bride annulaire (11'), pour ouvrir ou fermer ces ouvertures. Les deux corps de soupape (10, 11) se déplacent l'un par rapport à l'autre dans une direction axiale et sont tous deux jumelés à un support (14,15) sur la tige (2).

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