Patent ID: 6047766
Filing Date: 2000-04-11
Classification: F28D,G06F,H05K,Y02D

Abstract:
An electronic device having a multi-mode heat transfer apparatus, comprising:a heat spreader;a heat sink area;a heat pipe containing a heat transfer fluid, said heat pipe having a first section and a second section, said first section coupled to said heat spreader, said second section coupled to said heat sink area;a valve disposed in said heat pipe between said first section and said second section of said heat pipe, said valve further comprising an actuator, said actuator used to regulate a flow of said heat transfer fluid between said first section and said second section of said heat pipe;andat least one sensor, said at least one sensor detecting at least one changed state; andat least one logic circuit coupled to said at least one sensor, said at least one logic circuit impelling said actuator of said valve in response to said at least one changed state.