Heat exchange – Tubular structure – With support or flow connector
Patent
1997-03-26
1999-11-23
Leo, Leonard
Heat exchange
Tubular structure
With support or flow connector
165153, 2853822, 2853827, F28F 916
Patent
active
059882700
ABSTRACT:
A plate type heat exchanger, which may for example be an evaporator for a motor vehicle air conditioning installation, comprises a stack of hollow plates with a pipe connector interposed in the stack. The flow circuit in which the heat exchanger is inserted includes a fluid flow tube coupled to the pipe connection of the heat exchanger by means of a coupling device which includes a clamping ring. This coupling device includes an intermediate sleeve having a cylindrical portion fitted intimately around a cylindrical end portion of the pipe connection, together with another cylindrical portion which serves in effect as an extension of the cylindrical end portion. The clamping ring is engaged around the outer cylindrical portion of the sleeve, so as to clamp the latter around the end of the fluid flow tube, the latter having previously been introduced into the sleeve and the end portion of the pipe connection.
REFERENCES:
patent: 3425452 (1969-02-01), Shaw
patent: 4296804 (1981-10-01), Press et al.
patent: 4482174 (1984-11-01), Puri
patent: 5088771 (1992-02-01), Hosseinian et al.
patent: 5358034 (1994-10-01), Nishishita et al.
patent: 5390732 (1995-02-01), Bathla
Leo Leonard
Valeo Climatisation
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