Laminated heat exchanger

Details Laminated heat exchanger Laminated heat exchanger

1995-09-11

1998-03-10

Tapolcai, William E.

Refrigeration

Automatic control

Refrigeration producer

62299, F25B 4104

Patent

active

057248176

ABSTRACT:
The object of the present invention is to provide a laminated heat exchanger having a block type expansion valve which is mounted without using O-rings or screws. In the laminated heat exchanger, the block main body, which is a component of the block type expansion valve, is brazed in a furnace to a pair of intake/outlet portions that lie parallel to each other on the laminated heat exchanger. The other components of the block type expansion valve are mounted after the brazing operation. This achieves an improvement in the secureness and seal between the block main body and the intake/outlet portions. With the above arrangement, it is possible to eliminate parts used for fixing and sealing the block type expansion valve and the intake/outlet portions.

REFERENCES:
patent: 2540649 (1951-02-01), Boylan
patent: 3858406 (1975-01-01), Izumi
patent: 4468054 (1984-08-01), Orth
patent: 4589265 (1986-05-01), Nozawa
patent: 5169178 (1992-12-01), Hunzinger

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