Patent ID: 8755186

Claim:
A heat pipe type cooling device comprising: a heat absorption block, in which part of a heat pipe is embedded as an evaporator section of said heat pipe and on which a heat-generating element is mounted as an object to be cooled, and a plurality of heat radiating fins that are installed on another part of said heat pipe as a condenser section of said heat pipe, wherein said heat pipe, which is a J-shaped heat pipe having two bents thereon, is comprised of: a heat-in section, which is located at the midsection of said heat pipe, working as said evaporator section of said heat pipe; a first heat-out section, which is located on a portion of said heat pipe other than said evaporator section, working as a condenser section of said heat pipe having a plurality of heat radiating fins thereon; and a second heat-out section, which is located on a portion of said heat pipe other than said evaporator section and said first heat-out section, working as another condenser section of said heat pipe having a larger number of heat radiating fins thereon than that of said first heat-out section, wherein the length of said second heat-out section is greater than that of said first heat-out section so that said second heat-out section has a condensing capacity larger than that of said first heat-out section, wherein said heat-in section is comprised of a straight-shaped pipe portion, and wherein said straight-shaped pipe portion is comprised of a pressed or crimped portion, a first straight-shaped pipe portion extending between said pressed or crimped portion and said first heat-out section, and a second straight-shaped pipe portion extending between said pressed or crimped portion and said second heat-out section, said second straight-shaped pipe portion having a length greater than that of said first straight-shaped pipe portion.