Patent ID: 7487643
Filing Date: 2009-02-10
Classification: F25B,F25D,F28D

Abstract:
1. A heat exchange system comprising: an annular evaporator surrounding a heat radiating portion to have an axis extending horizontally to evaporate a coolant in said evaporator; a condenser condensing said coolant; a conduit guiding said coolant from said evaporator to said condenser; and a return pipe returning from said condenser to said evaporator said coolant condensed by said condenser, wherein said conduit has an opening at an outer circumferential surface of said evaporator; said return pipe has an opening in said evaporator at a gaseous coolant area; said return pipe has said opening separated from said outer circumferential surface of said evaporator; said conduit is larger in diameter than said return pipe; said evaporator is divided into two sub evaporators; said conduit and said return pipe are connected to each of said two sub evaporators; and said two sub evaporators are coupled together by a connection pipe to allow said two sub evaporators to communicate a liquid coolant therebetween.