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Liquid cooling apparatus with improved leakage detection for electronic devices

  • US 5,086,829 A
  • Filed: 07/05/1991
  • Issued: 02/11/1992
  • Est. Priority Date: 07/12/1990
  • Status: Expired due to Fees
First Claim
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1. A liquid cooling apparatus characterized by comprising:

  • a heat exchanger for cooling a coolant to be supplied to a heat generating portion in an electronic device;

    a tank for temporarily storing the coolant cooled by said heat exchanger before the coolant is supplied to the electronic device;

    leakage detecting means for detecting leakage of the coolant in a circulation path for repeatedly performing cooling and heat absorbing operations;

    coolant detecting means for detecting a decrease in amount of the coolant in said tank;

    timer counter means for counting a time interval between an instant at which a leakage detection output is output from said leakage detecting means and an instant at which a coolant decrease detection output is output from said coolant detecting means; and

    control means for stopping an operation of the electronic device when a value of said timer counter means is not more than a predetermined value.

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