Patent ID: 6349552
Filing Date: 2002-02-26
Classification: F25B,F25D,G05D

Abstract:
A temperature control device for thermal medium fluid, comprising:a refrigeration circuit including a compressor, a condenser and an evaporator; a thermal medium fluid circulation circuit, including a pump, to supply thermal medium fluid to an external secondary heat load; a heat exchanger, interposed within a compression circuit, between said compressor and said condenser, wherein said compression circuit is a primary circuit of said heat exchanger; a bypass circuit disposed at a downstream side of said pump, wherein said bypass circuit is a secondary circuit of said heat exchanger, whereby thermal fluid is to flow through said bypass circuit and heat exchanger into said thermal medium fluid circulation circuit; and a flow control valve in said bypass circuit, whereby an amount of thermal medium fluid flowing through said bypass circuit, heated by said heat exchanger and introduced into said thermal medium fluid circulation circuit can be controlled such that the temperature of the thermal medium fluid supplied to said secondary heat load can be controlled.