Heat pipe

Abstract

A heat pipe able to switch between operation and suspension of heat transport when used for a bottom heat type and able to prevent the condensed working medium from dropping to the evaporator side and a waste heat recovery system using the same are provided. A heat pipe having an evaporator set at one end of a tubular closed container and using heat of an outside high temperature part to cause the inside working medium to evaporate and a condenser set at the other end side of the closed container and radiating heat to an outside low temperature part to cause the evaporated working medium to condense, wherein the evaporator is arranged below the condenser and has a holding means holding the liquefied working medium condensed by the condenser along with an increase in the amount of heat received by the evaporator to prevent return to the evaporator.

Dependencies are inferred from the claim text.