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Method and apparatus for heat accumulation from refrigeration machine

  • US 5,511,384 A
  • Filed: 01/11/1995
  • Issued: 04/30/1996
  • Est. Priority Date: 01/13/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for heat accumulation from a refrigeration machine comprising a first section apparatus for heat accumulation from the refrigeration machine connected to a second section apparatus for heat accumulation from a refrigeration machine connected in series, in which:

  • a) the first section apparatus for heat accumulation from a refrigeration machine comprises;

    a preliminary heat accumulation tube which is smaller in diameter and inserted inside a first refrigerant tube of the condenser of the refrigeration machine such that both its ends emerge outside said first refrigerant tube of the condenser at the regions where the first refrigerant tube enters and leaves said condenser;

    a feeding tube for the preliminary heat accumulation tube which at one end is connected to one end of said preliminary heat accumulation tube emerging from said region in which said first refrigerant tube leaves said condenser and at another end is used as an inlet to feed lower temperature heat carrying fluid used to accumulate heat, into said preliminary heat accumulation tube;

    a discharge tube for the preliminary heat accumulation tube which at one end is connected to one end of said preliminary heat accumulation tube emerging from said region in which said first refrigerant tube enters into said condenser and at another end is used as an outlet to discharge higher temperature heat carrying fluid used to accumulate heat out of said preliminary heat accumulation tube; and

    an inlet and an outlet for said first refrigerant tube of said condenser;

    b) the second section apparatus for heat accumulation from a refrigeration machine comprises;

    a second refrigerant tube a part of which is increased in its cross sectional area and/or increased in its total internal and external wall surfaces relative the remainder of the tube;

    a primary heat accumulation tube which is constructed to enclose said part of said second refrigerant tube which is increased in its cross sectional area and/or increased in its total internal and external wall surfaces relative the remainder of the tube, and constructed to have a space between its internal wall surface and the external wall surface of said part of said second refrigerant tube which is increased in its cross sectional area and/or increased in its total internal and external wall surfaces, and also constructed to have an inlet and an outlet for said space;

    a feed tube for said primary heat accumulation tube which at one end is connected to said inlet for said space of said heat accumulation tube and at another end is used as an inlet to feed lower temperature heat carrying fluid used to accumulate heat into said space of said primary heat accumulation tube;

    a discharge tube for the primary heat accumulation tube which at one end is connected to said outlet for said space of said primary heat accumulation tube and at another end is used as an outlet to discharge higher temperature heat carrying fluid used to accumulate heat out of the said space of said primary heat accumulation tube; and

    an inlet and an outlet for said second refrigerant tube;

    c) the connection is made by connecting said discharge tube for the preliminary heat accumulation tube to said feeding tube for the primary heat accumulation tube and by connecting the outlet for said second refrigerant tube to the inlet for said first refrigerant tube of said condenser.

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