Heat exchange – With repair or assembly means
Patent
1994-12-22
1996-09-03
Flanigan, Allen J.
Heat exchange
With repair or assembly means
165 81, 165153, 165DIG51, 228183, F28D 103, F28F 700
Patent
active
055515061
ABSTRACT:
A heat exchanger having tube elements, each of which is provided with a pair of tanks on one side and a U-shaped passage that communicates between the pair of tanks, laminated alternately with fins over a plurality of levels. Two tank groups that extend along the direction of lamination are formed. Intake/outlet portions, through which heat exchanging medium flows, are provided on one end along the direction of lamination. One of the intake/outlet portions communicates with one of the tank groups via a communicating pipe. One end of the communicating pipe is inserted into a fitting hole formed in an end plate or in a cylindrical portion extending from the periphery of the insertion hole in anticipation of contraction of the heat exchanger. This construction allows one end of the communication to move relative to the insertion hole, while the other end of the communicating pipe is secured in a mounting hole of a specific tank. With this arrangement, even when the entire heat exchanger contracts in the direction of lamination during brazing in the furnace, a mounting structure for the communicating pipe allows for the quantity of contraction and thereby ensures a smooth flow of coolant through the heat exchanger.
REFERENCES:
patent: 3104701 (1963-09-01), Jacoby, Jr.
patent: 4274482 (1981-06-01), Sonoda
patent: 4809518 (1989-03-01), Murayama
patent: 5024269 (1991-06-01), Noguchi et al.
patent: 5042577 (1991-08-01), Suzumura
patent: 5370176 (1994-12-01), Nishishita et al.
Flanigan Allen J.
Zexel Corporation
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