IP Library Granted Patent US 8,555,953
Granted Patent B2
US 8,555,953 · App. 12/535,542 · Granted Oct 15, 2013

Heat dissipation utilizing flow of refrigerant

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Quick Facts
Patent No.
US 8,555,953
App. No.
12/535,542
Granted
Oct 15, 2013
Kind
B2
Abstract

A heat pipe heat dissipating device includes a chamber; a rotary shaft positioned within the chamber; an isolating member affixed to the rotary shaft; and a nozzle provided on the isolating member, wherein the nozzle directs the flow of a refrigerant vapor and prompts the rotary shaft and the isolating member to rotate. The heat pipe heat dissipating device can operate with a self-driving operation. A heat pipe heat dissipating method is also provided.

Claims (29)

1. A heat dissipating device, comprising:

a chamber having a refrigerant dispersed therein;

a rotary shaft positioned within the chamber;

an isolating member affixed to the rotary shaft;

at least one nozzle provided on the isolating member;

one or more first brushes affixed to one end of the rotary shaft configured to apply the refrigerant on an inner surface of at least a portion of the chamber as the rotary shaft rotates,

wherein the at least one nozzle is configured to have an outlet direction that is non-uniplanar with the rotary shaft to direct a flow of vapor from the refrigerant and prompt the rotary shaft and the isolating member to rotate to thereby drive the one or more first brushes to sweep across the inner surface;

one or more second brushes affixed to an other end of the rotary shaft: and

a fluid conducting bridge connecting the one or more first brushes and the one or more second brushes.

2. The heat dissipating device of claim 1 , wherein the nozzle is a through-hole arranged on the isolating member.

3. The heat dissipating device of claim 1 , further comprising:

a plurality of brushes, wherein the plurality of scraping brushes are arranged equiangularly with the rotary shaft as a center.

4. A heat dissipating method, comprising:

heating a refrigerant within a chamber;

generating a refrigerant vapor;

directing the refrigerant vapor through at least one nozzle positioned on an isolating member,

wherein the passing of the refrigerant vapor through the at least one nozzle rotates a rotary shaft on which the isolating member is affixed; and

uniformly applying the refrigerant to an inner surface of at least one portion of the chamber via at least one first brush affixed to one end of the rotary shaft as the rotary shaft rotates;

collecting condensed refrigerant vapor by a fluid conducting bridge connecting the at least one first brush affixed to the one end of the rotary shaft and at least one second brush affixed to an other end of the rotary shaft.

5. The heat dissipating method of claim 4 , wherein the nozzle is a through-hole arranged on the isolating member.

6. The heat dissipating method of claim 4 , wherein the first brush sweeps periodically.

7. The heat dissipating method of claim 4 , wherein the ejection direction of the nozzle is non-uniplanar with the rotary shaft.

8. The heat dissipating device of claim 1 , wherein the isolating member is configured to channel the refrigerant vapor through the at least one nozzle.

9. The heat dissipating device of claim 1 , wherein the inner surface on which the one or more brushes apply the refrigerant is in contact with a semiconductor chip.

10. The heat dissipating device of claim 9 , wherein a rotational speed of the rotary shaft is proportional to a superheat of the inner surface of the chamber and inversely proportional to a number of times that a same portion of the inner surface is to be swept by the one or more brushes after one revolution of the rotary shaft.

11. The heat dissipating device of claim 1 , wherein the one or more second brushes are configured to collect coagulated fluid refrigerated drops from a top surface of the chamber.

12. The heat dissipating device of claim 1 , wherein the one or more first brushes are spaced apart from the inner surface.

13. The heat dissipating device of claim 1 , wherein the fluid conducting bridge includes a refrigerant capillary tube path from the one or more second brushes to the one or more first brushes.

14. The heat dissipating device of claim 1 , wherein the fluid conducting bridge includes a porous material comprising a plurality of capillary tube passages.

Assignments (2)
SECURITY INTEREST Recorded Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2010
From: WANG, HAO
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 025092/0105 →