Method of making a recuperator structure by crystallization

Details Method of making a recuperator structure by crystallization Method of making a recuperator structure by crystallization

1976-05-12

1977-08-30

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Devitrifying glass or vitrifying crystalline glass

65 43, 65 4R, 291573R, C03B 3200, B21D 5000, C03C 2320

Patent

active

040451992

ABSTRACT:
The novel embodiments disclosed herein also illustrate a novel method for making a recuperator structure. A multiplicity of elongated tubes are formed of a glass that is thermally crystallizable to a low expansion glass-ceramic. In one embodiment, each of the tubes is sealed at each end and contains an expansible fluid medium. Each of the tubes has a portion intermediate the ends thereof which is substantially straight. Pluralities of the multiplicity of tubes are tightly packed into a first plurality of layers with the axes of the intermediate portions of the tubes in each layer essentially parallel to each other. The first plurality of layers are arranged with the straight intermediate tube portions thereof in a stacked array with respect to each other, and with the axes of the intermediate portions of the tubes in each layer essentially parallel to the axes of the corresponding intermediate tube portions in the other first plurality of layers. This enables the formation of a first series of parallel passageways when the sealed ends of the tubes in the first plurality of layers are opened to receive a first fluid. Each layer of the first plurality of layers of tubes is spaced from at least one of the adjacent first plurality layers in the array by interposing spacer means between the layers being spaced.

REFERENCES:
patent: 3771592 (1973-11-01), Sayers
patent: 3773484 (1973-11-01), Gray, Jr.
patent: 3871852 (1975-03-01), Pei
patent: 3885942 (1975-05-01), Moore
patent: 3926251 (1975-12-01), Pei
patent: 3934323 (1976-01-01), Ford et al.
patent: 3936288 (1976-02-01), Pei
patent: 3948317 (1976-04-01), Moore

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