F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 49/02 (2006.01) F25B 41/04 (2006.01)
Patent
CA 2607584
The present invention concerns a cooling or heating system including at least a compressor (2), a condenser (4), an expansion apparatus (17A; 17B) and a vaporiser (20). The invention is characterised essentially in that in the condenser or in proximity to an outlet of the condenser (4) there is a control apparatus (7A; 7B) arranged to receive liquid from the condenser (4) and that includes an outlet to a condensate channel (9) and an intake (14; 30) to a signal channel (6, 10; 31), in that the condensate channel (9) is connected to the expansion apparatus (17A; 17B), in that there is means (8, 11, 18, 30, 34) to vaporize liquid that comes into the signal channel (6, 10; 31), in that means (12, 13) are connected to the signal channel (6, 10; 31) to control the expansion apparatus' (17A; 17B) opening process whereby said control is affected by the amount of liquid that is vaporised in the signal channel (6, 10; 31). The invention also concerns a method for controlling a cooling or heating system.
L'invention concerne un système de refroidissement ou de chauffage qui comporte au moins un compresseur (2), un condenseur (4), un appareil d'expansion (17A; 17B) et un vaporisateur (20). L'invention se caractérise essentiellement en ce que dans le condenseur ou à proximité d'une sortie du condenseur (4), un appareil de commande (7A; 7B) est destiné à recevoir un liquide provenant du condenseur (4) et comporte une sortie vers un canal de condensat (9) et une admission (14; 30) vers un canal de signalisation (6, 10; 31), que le canal de condensat (9) est relié à l'appareil d'expansion (17A; 17B), qu'un organe (8, 11, 18, 30, 34) vaporise le liquide entrant dans le canal de signalisation (6, 10; 31), et que des organes (12, 13) sont reliés au canal de signalisation (6, 10; 31) pour réguler le processus d'ouverture de l'appareil d'expansion (17A; 17B), ladite régulation étant influencée par le volume de liquide vaporisé dans le canal de signalisation (6, 10; 31). L'invention concerne également un procédé permettant de réguler un système de refroidissement ou de chauffage.
Macpherson Leslie & Tyerman Llp
Svenning Ericsson
LandOfFree
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