Patent ID: 6116035
Filing Date: 2000-09-12
Classification: F24F,F25B,Y10S

Abstract:
A heat transfer device comprising:hot heat source means (1) for evaporating refrigerant through the application of heat;colt heat source means (2) which is connected to the hot heat source means (1) through a gas flow pipe (4) and a liquid flow pipe (5) to form a closed circuit with the hot heat source means (1) and condenses refrigerant by heat radiation;user-side means (3) connected to the gas flow pipe (4) through a gas pipe (6) and to the liquid flow pipe (5) through a liquid pipe (7);gas flow selecting means (8) for changing gas refrigerant flow between the gas flow pipe (4) and the gas pipe (6);liquid flow selecting means (9) for changing liquid refrigerant flow between the liquid flow pipe (5) and the liquid pipe (7); and control means (C) for controlling at least one of the gas flow selecting means (8) and the liquid flow selecting means (9) to change refrigerant flow with respect to the user-side means (3) according to an operation mode of the user-side means(3); whereinthe control means (C) is configured to control the gas flow selecting means (8) and the liquid flow selecting means (9) to execute an operation of absorbing heat of the user-side means (3)in a manner that gas refrigerant is supplied from the hot heat source means (1) to the cold heat source means (2) to push out liquid refrigerant in the cold heat source means (2) to the user-side means (3), the liquid refrigerant is evaporated in the user-side means (3) while the gas refrigerant is condensed in the cold heat source means (2), and the gas refrigerant evaporated in the user-side means (3) is transferred to the cold heat source means (2) by pressure difference between the user-side means (3) and the cold heat source means (2) caused due to drop in pressure of the cold heat source means (2).