High efficiency heat exchanger with divider rib leak paths

Details High efficiency heat exchanger with divider rib leak paths High efficiency heat exchanger with divider rib leak paths

1991-03-29

1991-11-05

Flanigan, Allen J.

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

165152, 165176, 62525, F28D 103

Patent

active

050624776

ABSTRACT:
An evaporator for an automotive air conditioner having a plurality of tubes arranged side by side so that the tubes form spaces for air centers and channel heated air past the sidewalls of the tubes. Each tube has a divider rib to define liquid and vapor passages for the flow of refrigerant around the end the rib in a general U-shaped flow. The ribs have spaced bypass openings therein so that each rib is able to allow the leakage of liquid refrigerant across the rib from the liquid to the vapor side to eliminate dry out areas and thereby increase heat exchanger efficiency.

REFERENCES:
patent: 3976128 (1976-08-01), Patel et al.
patent: 4217953 (1980-08-01), Sonoda et al.
patent: 4800954 (1989-01-01), Noguchi et al.
patent: 4854380 (1989-08-01), Yoshida et al.

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