Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate
Patent
1992-12-08
1994-05-03
Flanigan, Allen J.
Heat exchange
Side-by-side tubular structures or tube sections
With manifold type header or header plate
165153, F24F 0902
Patent
active
053078705
ABSTRACT:
A header has a tank member having a transverse cross-section of a circular arc shape, and a tube attachment member having a transverse cross-section flatter than the above-mentioned circular arc shape as a whole, are opposed and joined. The tube attachment member has identical curvature portions constituted with an inner diameter R2 which is the same as the inner diameter R2 of the tank member at both sides to be joined to the tank member, and has a large curvature portion constituted with an inner diameter R1 which is larger than the inner diameter R2 of the tank member at an intermediate portion interposed between the identical curvature portions. A connecting position P between the identical curvature portion and the large curvature portion is inside from both edges of a tube.
REFERENCES:
patent: 4805693 (1989-02-01), Flessate
patent: 4938284 (1990-07-01), Howells
patent: 5076354 (1991-12-01), Nishishita
patent: 5092398 (1992-03-01), Nishishita et al.
patent: 5152339 (1992-10-01), Calleson
patent: 5236044 (1993-08-01), Nagasaka et al.
Journal of Nippondenso Technical Disclosure, No. 69-154, Jan. 15, 1990.
Baba Norimasa
Kameoka Teruhiko
Kamiya Sadayuki
Matsuura Satoshi
Nakamura Mitsugu
Flanigan Allen J.
Nippondenso Co. Ltd.
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