G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 16/00 (2006.01) F24D 3/10 (2006.01) F24D 19/08 (2006.01) F24H 1/00 (2006.01)
Patent
CA 2109483
A method and device for maintaining a fluid at a working pressure in a substantially closed fluid circulation system wherein the temperature of the fluid can vary and which is preferably deaerated continuously. The maintenance of a working pressure is realized by keeping the system filled automatically by connecting said system, by means of a closable connection, to a stock of fluid which is under atmospheric pressure, the fluid circulation system and the stock of fluid being connected directly, which connection is opened at and below atmospheric pressure at the location of the connection and, when the working pressure rises, is automatically closed at atmospheric pressure at the location of the connection. If so desired, replenishment of the stock of fluid, which is preferably disposed in the vicinity of the highest point of the system and may serve as expansion possibility for the system, may be effected automatically.
Méthode et dispositif servant à maintenir un fluide à une pression de service dans un circuit fermé de circulation de fluide où la température du fluide peut varier et qui est, de préférence, désaéré de façon continue. La pression de service est maintenue par le remplissage automatique du circuit relié, par un raccordement pouvant être fermé, à une réserve de fluide en cas de pression inférieure à la pression atmosphérique; le raccordement est ouvert si la pression équivaut à celle de l'atmosphère ou lui est inférieure au point de raccordement et, lorsque la pression de service augmente, il se ferme automatiquement à la pression atmosphérique au point de raccordement. Si on le désire, on peut réaliser automatiquement la reconstitution de la réserve de fluide, qui est, de préférence, placée à proximité du point le plus élevé du circuit et peut aussi servir d'espace d'expansion pour le circuit.
Goudreau Gage Dubuc
Spiro Research B.v.
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