Patent US3004061A successfully refreshed from Google Patents.
EP0702287A2
Expired / Lapsed
EP
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Personal computer cooling device and process for manufacturing container of heat pipe for the device
Assignee: Fujikura Ltd
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Filing: 1995-09-15
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Granted: —
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Expires: 2015-09-15
Abstract
Abstract A device for cooling a personal computer including: a body having a heat generating electronic element therein; and a keyboard section connected in an openable manner to the personal computer body through a hinge. A first heat pipe, which has its one end portion connected to the electronic element in a heat transferring manner, and a second heat pipe, which has its one end portion arranged along an electromagnetic insulating plate mounted in the keyboard section, are connected through the hinge in a manner to rotate relative to each other and in a heat transferring manner.
Inventors
- 👤 Masataka Mochizuki
- 👤 Koichi Mashiko
- 👤 Yuji Saito
- 👤 Masashi Hasegawa
- 👤 Motoyuki Ono
- 👤 Shinji Sugano
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 19:47
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/20; G06F1/203; G06F2200/00; G06F2200/20; G06F2200/201
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
80 words
A device for cooling a personal computer which includes a personal computer body having a heat generating electronic element therein; and an openable section connected in an openable manner to said personal computer body through a hinge, comprising: heat transmission means for transmitting a heat from said electronic element to said hinge; and a heat pipe having its one end portion connected in a heat transferring manner to said hinge and its other end portion arranged along said openable section.
Claim 2
Dependent Claim
17 words
A personal computer cooling device according to claim 1, wherein said openable section includes a keyboard section.
Claim 3
Dependent Claim
32 words
A personal computer cooling device according to claim 2, wherein said keyboard section has a metal plate on its inner face, and wherein said heat pipe is arranged along said metal plate.
Claim 4
Dependent Claim
19 words
A personal computer cooling device according to claim 1, wherein said heat transmission means includes a second heat pipe.
Claim 5
Dependent Claim
34 words
A personal computer cooling device according to claim 4, wherein said first and second heat pipes are connected through said hinge in manners to turn relative to each other and to transfer the heat.
Claim 6
Dependent Claim
61 words
A personal computer cooling device according to claim 4, wherein said hinge includes a joint portion having: one end portion of said second heat pipe arranged on the turning center axis of said openable section; and a cylindrical portion formed at one end portion of said first heat pipe and fitting one end portion of said second heat pipe rotatably therein.
Claim 7
Dependent Claim
31 words
A personal computer cooling device according to claim 4, further comprising: a metal block having said electronic element fixed thereon and fitted on the end portion of said second heat pipe.
Claim 8
Dependent Claim
31 words
A personal computer cooling device according to claim 6, further comprising: a metal block having said electronic element fixed thereon and fitted on the end portion of said second heat pipe.
Claim 9
Dependent Claim
21 words
A personal computer cooling device according to claim 1, 0wherein said operable section includes a display section having a flat screen.
Claim 10
Dependent Claim
21 words
A personal computer cooling device according to claim 9, wherein said heat pipe is arranged along the periphery of said screen.
Claim 11
Dependent Claim
57 words
A personal computer cooling device according to claim 1, further comprising: a metal plate contacting with said electronic element in a heat transferring manner, wherein said hinge includes a metal block fixed on said metal plate and holding a portion of said heat pipe in a turning manner on the turning center axis of said openable section.
Claim 12
Dependent Claim
18 words
A personal computer cooling device according to claim 11, wherein said metal plate includes an electromagnetic insulating plate.
Claim 13
Dependent Claim
22 words
A personal computer cooling device according to claim 11, further comprising: means for attaching said metal block detachably to said metal plate.
Claim 14
Dependent Claim
23 words
A personal computer cooling device according to claim 11, further comprising: heat transmission means interposed between said metal block and said heat pipe.
Claim 15
Dependent Claim
19 words
A personal computer cooling device according to claim 14, wherein said heat transmission means includes a pasty thermal joint.
Claim 16
Dependent Claim
52 words
A personal computer cooling device according to claim 14, wherein said metal block includes: a hollow clamping portion formed on the turning center axis of said openable section; and a slit communicating with said clamping portion, and wherein said heat pipe has its portion fitted in and clamped by said clamping portion.
Claim 17
Dependent Claim
30 words
A personal computer cooling device according to claim 16, further comprising: fixing means extending through said metal block across said slit for fixing said metal block to said metal plate.
Claim 18
Dependent Claim
57 words
A personal computer cooling device according to claim 9, further comprising: a metal plate contacting with said electronic element in a heat transferring manner, wherein said hinge includes a metal block fixed on said metal plate and holding a portion of said heat pipe in a turning manner on the turning center axis of said display section.
Claim 19
Independent Claim
57 words
A device for cooling a personal computer having a heat generating electronic element and a heat radiating portion in the body thereof, comprising: a heat pipe having its one end portion connected to said electronic element in a heat transferring manner and its other end portion connected to said heat radiating portion in a heat transferring manner.
Claim 20
Dependent Claim
47 words
A personal computer cooling device according to claim 19, wherein said heat pipe includes: a hollow flat container made of a metal and sized to have a width larger than the thickness and a length larger than the width; and a working fluid confined in said container.
Claim 21
Dependent Claim
40 words
A personal computer cooling device according to claim 20, further comprising: wicks made of a number of extremely thin wires for establishing a capillary pressure; and a fixing member for fixing said wicks on the inner face of said container.
Claim 22
Dependent Claim
19 words
A personal computer cooling device according to claim 21, wherein said extremely thin wires are made of copper wires.
Claim 23
Dependent Claim
22 words
A personal computer cooling device according to claim 21, wherein said extremely thin wires are made of carbon fibers plated with copper.
Claim 24
Dependent Claim
23 words
A personal computer cooling device according to claim 21, wherein said fixing member includes a spiral member spirally wound at an interval inbetween.
Claim 25
Dependent Claim
22 words
A personal computer cooling device according to claim 24, wherein said spiral member is made of a band having a rectangular section.
Claim 26
Dependent Claim
22 words
A personal computer cooling device according to claim 24, wherein said spiral member is made of a band having an elliptical section.
Claim 27
Dependent Claim
39 words
A personal computer cooling device according to claim 21, wherein said fixing member is arranged at the widthwise center portion of said container, and wherein said extremely thin wires are arranged at the two sides of said fixing member.
Claim 28
Dependent Claim
34 words
A personal computer cooling device according to claim 21, wherein said fixing means includes a multiplicity of wires thicker than said extremely thin wires and ar ranged in the longitudinal direction in said container.
Claim 29
Dependent Claim
37 words
A personal computer cooling device according to claim 28, wherein said wires are arranged at the widthwise center portion in said container, and wherein said extremely thin wires are arranged at the two sides of said wires.
Claim 30
Dependent Claim
19 words
A personal computer cooling device according to claim 21, wherein said fixing member includes a flattened cylindrical mesh member.
Claim 31
Dependent Claim
34 words
A personal computer cooling device according to claim 20, further comprising: a plurality of wick bundles formed by bundling a number of extremely thin wires and arranged in the longitudinal direction in said container.
Claim 32
Dependent Claim
17 words
A personal computer cooling device according to claim 31, wherein said container has spiral grooves formed therein.
Claim 33
Dependent Claim
21 words
A personal computer cooling device according to claim 31, wherein said wick bundles are arranged at a spacing from each other.
Claim 34
Dependent Claim
32 words
A personal computer cooling device according to claim 19, wherein said heat radiating portion includes at least one of an electromagnetic insulating plate, a chassis, a battery and the personal computer body.
Claim 35
Independent Claim
53 words
A device for cooling a personal computer having a heat generating electronic element arranged in the body thereof, comprising: a plate heat pipe having its outer surface partially exposed to the bottom face of said personal computer body, wherein said electronic element is mounted on the upper face of said plate heat pipe.
Claim 36
Dependent Claim
20 words
A personal computer cooling device according to claim 35, wherein said plate heat pipe has its outer face partially corrugated.
Claim 37
Dependent Claim
74 words
A process for manufacturing such a container of a heat pipe to cool a personal computer, as contains wicks for establishing a capillary pressure, comprising: a first step of inserting said wicks in the axial direction into a pipe material having a plastically deformable circular section; and a second step of loading the pipe material, which has said wicks inserted thereinto, in two radial directions to collapse said pipe material into a flat shape.
Claim 38
Dependent Claim
52 words
A heat pipe container manufacturing process according to claim 37, wherein a fixing member for fixing said wicks on the inner face of said container is inserted at said first step into said pipe material, and wherein the load at said second step acts in the direction to clamp said fixing member.
Claim 39
Dependent Claim
24 words
A heat pipe container manufacturing process according to claim 38, wherein said fixing member includes a spiral member made by winding a band spirally.
Claim 40
Dependent Claim
38 words
A heat pipe container manufacturing process according to claim 38, wherein said wicks are made of a multiplicity of extremely thin wires, and wherein said fixing member include a multiplicity of wires thicker than said extremely thin wires.
Claim 41
Dependent Claim
23 words
A heat pipe container manufacturing process according to claim 38, wherein said fixing member includes a mesh member formed into a cylindrical shape.
Claim 42
Dependent Claim
44 words
A heat pipe container manufacturing process according to claim 37, wherein said wicks are prepared by bundling a multiplicity of extremely thin wires, and wherein the load at said second step acts in the direction to clamp at least one of said wick bundles.
References Cited (Backward Citations)
No citation records indexed.
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