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Heat storage method and apparatus

  • US 4,089,176 A
  • Filed: 01/20/1976
  • Issued: 05/16/1978
  • Est. Priority Date: 01/20/1976
  • Status: Expired due to Term
First Claim
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1. Power turbomachinery, comprising:

  • a compressor for compressing a working fluid;

    a turbine driven by the compressed working fluid to produce a mechanical power output;

    a pair of operably parallel passages for carrying fluid from said compressor to said turbine;

    a noncombustion heat storage element cooperating with one of said passages for heating the working fluid therein being delivered from said compressor to said turbine whereby the compressed, heating working fluid expands across said turbine to drive the latter and the temperature of working fluid delivered to said turbine is dependent upon the ratio of fluid flowing through said pair of passages;

    means adapted to be connected to a source of electrical energy for preheating said storage element by electromagnetic induction, said storage element comprising a solid, carbonaceous, foraminated body which is subject to continuing loss of stored heat as it heats fluid in said one of the passages subsequent to said preheating; and

    control means for adjusting said ratio of fluid flowing through said pair of passages to accommodate for the continuing loss of heat from said storage element as the latter heats fluid in said one of the passages.

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