Heat exchanger for combustion apparatus

Details Heat exchanger for combustion apparatus Heat exchanger for combustion apparatus

1994-12-06

1997-07-15

Bennett, Henry A.

Heating

Work chamber having heating means

Combustion products heat work by contact

432159, 432179, 432181, 432182, F27D 1700

Patent

active

056477414

ABSTRACT:
A heat exchanger for a combustion apparatus capable of providing satisfactory sealing between an open end of an oxidizing agent duct and a regenerative structure. A regenerator includes a high-temperature section constituted by a regenerative unit made of a ceramic material and a low-temperature section constituted by a regenerative unit made of a metal material. The regenerator is formed with a plurality of communication passages which permit a combustion chamber and a suction/exhaust duct structure to communicate with each other. The communication passages are provided by a plurality of through-holes formed in the regenerative units. The number of the through-holes and an equivalent diameter thereof are determined so as to permit a pressure loss gradient in the low-temperature section positioned on the side of the suction/exhaust duct structure to be larger than that in the high-temperature section positioned on the side of the combustion chamber.

REFERENCES:
patent: 3756310 (1973-09-01), Becker
patent: 4850862 (1989-07-01), Bjerklie
patent: 4856492 (1989-08-01), Kawamoto
patent: 5275556 (1994-01-01), Hirose

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