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Device for heating a substance in through-flow

  • US 5,246,062 A
  • Filed: 07/10/1992
  • Issued: 09/21/1993
  • Est. Priority Date: 07/11/1991
  • Status: Expired due to Term
First Claim
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1. A device for heating a substance or a mixture of substances in through-flow, in particular for boiling a raw material for the preparation of a confectionery product or similar luxury food product, said device comprising:

  • a) a closed housing;

    b) at least one feed pipe for a heating fluid;

    c) at least one discharge pipe for said heating fluid;

    d) two plate-shaped end elements each having a plurality of end-element apertures;

    e) two outside cover plates, each having an inward-facing surface, and each covering one said end element;

    f) a number of straight pipe sections running essentially parallel to each other and extending internally through said housing, between said plate-shaped elements, said pipe sections each having ends and said pipe section ends being mounted in said end-element apertures;

    g) recesses in said inward-facing surface of each said cover plate, said recesses providing flow path connections between pairs of said apertures in such manner that said pipe sections are interconnected at said ends to form a single, multiple pass flow path in said housing, said flow path extending between said feed and discharge means;

    h) an externally communicating aperture in at least one said cover plate for connection to a feed pipe for said substance to be heated; and

    i) a valve element carried by said apertured cover plate;

    wherein said valve element is movable to block one of said connections between a pair of said end-element apertures to reduce the capacity of said device.

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