Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1993-12-07
1995-06-13
Cuda, Irene
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29890032, B23P 1526
Patent
active
054231221
ABSTRACT:
A motor-vehicle latent-heat unit is made by first inserting into an evacuatable chamber a subassembly comprised of a closed inner housing having upper and lower ends, a pack of medium-filled latent-heat storage cells contained in the inner housing, a side wall surrounding the inner housing and having upper and lower ends, and a floor closing the lower end of the side wall and juxtaposed with the lower inner-housing end. The upper end of the side wall is open. Then the chamber is evacuated and an upper wall or cover is fitted to the upper end of the side wall and is bonded thereto. This forms with the upper wall, floor, and side wall an outer housing in turn forming around the inner housing a closed and evacuated space. The chamber is then refilled with air around the outer housing and the housings are removed from the chamber.
REFERENCES:
patent: 3797086 (1974-03-01), Asselman
patent: 4018269 (1977-04-01), Honda et al.
patent: 4106171 (1978-08-01), Basiulis
patent: 4196504 (1980-04-01), Eastman
patent: 5226580 (1993-07-01), Hartle et al.
Boltz Hartmut
Christ Richard
Jakobi Karl-Josef
Cuda Irene
Dubno Herbert
Fritz Werner Prazisionsmaschinenbau GmbH
Wilford Andrew
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