U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Computer system that can be operated without a cooling fan

Patent 6504719 Issued on January 7, 2003. Estimated Expiration Date: Icon_subject March 30, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Two phase component cooler
Patent #: 5704416
Issued on: 01/06/1998
Inventor: Larson, et al.

Cooling system for computer
Patent #: 5731954
Issued on: 03/24/1998
Inventor: Cheon

Thermoelectric device with evaporating/condensing heat exchanger
Patent #: 5737923
Issued on: 04/14/1998
Inventor: Gilley, et al.

Method and apparatus for a modular integrated apparatus for multi-function components
Patent #: 5926370
Issued on: 07/20/1999
Inventor: Cromwell

Evaporator for use in an extended air cooling system for electronic components
Patent #: 5953930
Issued on: 09/21/1999
Inventor: Chu, et al.

Heat exchanger for electronic equipment
Patent #: 6029742
Issued on: 02/29/2000
Inventor: Burward-Hoy

Heat sink device for electronic devices
Patent #: 6115252
Issued on: 09/05/2000
Inventor: Ohta, et al.

CPU cooling system
Patent #: 6166907
Issued on: 12/26/2000
Inventor: Chien

Air or liquid cooled computer module cold plate Patent #: 6305463
Issued on: 10/23/2001
Inventor: Salmonson

Inventors

Application

No. 823594 filed on 03/30/2001

US Classes:

361/698, And liquid165/80.4, Liquid cooled165/104.32, With pressurizing means or degassifying means174/15.1, With cooling or fluid feeding, circulating or distributing174/16.3, With heat sink361/687, With cooling means361/689, Fluid361/694, With air circulating means361/695, Fan or blower361/699, Liquid361/701, With heat exchanger unit361/702, With cold plate or heat sink361/709, Heat sink361/711Cooling plate or bar

Examiners

Primary: Chervinsky, Boris

Attorney, Agent or Firm

International Class

H05K 007/20

Abstract

A computer system is provided having a heat exchanger that is relatively large. Although the heat exchanger is large, it is still sufficiently light because of its plastic material. Because of the large size of the heat exchanger, a relatively large surface is provided by the cumulative outer surfaces of fins. The relatively large surface area results in a lower heat flux. The lower heat flux obviates the need for forced convection. There is thus no need to use fans when the computer system is at room temperature.

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