Agricultural harvester heat exchanger

Details Agricultural harvester heat exchanger Agricultural harvester heat exchanger

1983-09-23

1985-09-24

Richter, Sheldon J.

Heat exchange

With cleaning means for heat exchanger

55294, 55385B, 55493, 165 41, 165119, F28G 316

Patent

active

045427852

ABSTRACT:
The agricultural harvester 10 cooling system includes a heat exchanger 38 for cooling an internal combustion engine 32 and a heat exchanger air cleaner assembly 36. The heat exchanger air cleaner assembly has a fixed screen 62 adjacent the heat exchanger 32 which forms one wall of a large box 45. Channel members 64 and 66 and flat bars 68 hold the fixed screen 62 in a plane and form a plurality of pie-shaped compartments. The air cutoff plate 78 on rotatable shaft 72 closes the pie-shaped compartments and substantially blocks the flow of air through the fixed screen 62. A suction pipe 84 adjacent the fixed screen 62 and inside the large box 45 rotates with the rotatable shaft 72 directly across the fixed screen from the cutoff plate 78. The suction pipe 84 is connected to the intake of a centrifugal blower 118 by a vacuum pipe 96. The centrifugal blower 118 sucks trash from the fixed screen 62 and through a long slot 88 in the suction pipe 84 as the suction pipe 84 is moved along the surface of the fixed screen 62 by the rotatable shaft 72. The large box has a fixed air inlet screen 60 in the top wall 56. Hinge 58 which connects the large box 45 to the support frame 40 allows the fixed screen 62 to be pivoted away from the heat exchanger 38 for service. An oil cooler 108 is positioned between the fixed screen 62 and the heat exchanger 38 and is also connected to the support frame 40 by the hinge 58.

REFERENCES:
patent: 3377780 (1968-04-01), Noland
patent: 3504482 (1970-04-01), Goettl
patent: 3837149 (1974-09-01), West et al.
patent: 4036613 (1977-07-01), Brown et al.
patent: 4233040 (1980-11-01), Vogelaar et al.
patent: 4338104 (1982-07-01), Merry
patent: 4439218 (1984-03-01), Priepke et al.
patent: 4443236 (1984-04-01), Peiler

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