Heat exchange – With repair or assembly means – Positioner or retainer for settable material
Patent
1996-03-26
1999-11-02
Leo, Leonard
Heat exchange
With repair or assembly means
Positioner or retainer for settable material
165178, F28F 916
Patent
active
059751932
ABSTRACT:
A heat exchanger is made of a metal such as aluminum and for use in the air conditioning apparatuses such as the car coolers and the room air conditioners. A coolant inlet pipe (6) has an end which is forced into a pipe insertion bore (10) of a pipe joint (8) for connection to an external piping, with a cylindrical brazing agent piece (15) being interposed between the outer periphery of the inlet pipe end and the inner peripheral wall of the bore, such that the pipe (6) is brazed integral to the joint (8) by means of the cylindrical piece (15). This cylindrical brazing agent piece (15) is composed of a core layer which has an outer and inner surfaces clad with a brazing agent layer. The pipe (6) and the joint (8) can be preassembled without failing to interpose between them the brazing agent piece (15), so that said pipe and said joint can be brazed one to another surely and at a lowered cost.
REFERENCES:
patent: 1280311 (1918-10-01), Scheeland
patent: 2249469 (1941-07-01), Gray et al.
patent: 3440391 (1969-04-01), Apblett
patent: 3782450 (1974-01-01), Swozil
patent: 4586566 (1986-05-01), Kern et al.
patent: 4679960 (1987-07-01), Mizuhara
patent: 5101889 (1992-04-01), Potier
patent: 5228727 (1993-07-01), Tokutake et al.
Ito Shinji
Takahashi Katsuyuki
Takasaki Kanji
Tokita Hideo
Tokutake Toshinori
Leo Leonard
Showa Aluminum Corporation
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