Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-07-15
1979-01-16
Lanham, C.W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291573B, 165166, 165152, 165153, 165151, 165170, 165173, B23P 1526
Patent
active
041341953
ABSTRACT:
A heat exchanger plate of single unitary structure and relatively thin material has a deep draw formed through one surface adjacent to each of the opposite ends to provide fluid openings and a lesser depth inner draw formed in the other surface to provide a fluid passage communicating with the fluid openings. The plate is adapted to oppose adjacent plates in a stacked configuration to provide heat transfer between separate fluids flowing through counterflow passages on opposite sides of the plate. The recessed area on one surface of the plate forms a fluid passage with its adjacent plate in the stacked array for flow of a first fluid through the stack from side to side of an enclosing housing. A collar formed around each plate opening by the deep draw is adapted to nest with a corresponding collar of an adjacent plate to provide manifold sections communicating with a second fluid passage. The stacked configuration of corresponding plates establishes pluralities of first and second passages alternately arrayed for adjacent counterflow of separate fluids for maximal heat transfer between them. The nested plates may be brazed together, eliminating the necessity for slow and costly welding procedures to develop the strength required to withstand operating pressures. Finned elements positioned between the plates improve the efficiency of the heat exchange process. The structure is compact, light weight, strong and efficient in operation. The fabrication process is simplified and economical.
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Jacobsen Fred W.
Jakubowski Stanley T.
Weiner Herman S.
Bissell Henry M.
Lanham C.W.
Rising V. K.
The Garrett Corporation
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