Land vehicles: bodies and tops – Bodies – Grain tanks
Patent
1980-09-29
1982-10-12
Bertsch, Richard A.
Land vehicles: bodies and tops
Bodies
Grain tanks
B62D 3500
Patent
active
043535879
ABSTRACT:
An accessory for a traction vehicle having a power plant requiring inlet air and producing exhaust gas and a cab with a roof (21, 40) on which the accessory is to be secured in the air stream resulting from forward movement of the vehicle, the accessory being configured to interact with and direct the air stream so as to reduce the effective wind resistance of a load compartment behind the cab, and to produce in the stream sites of pressure higher and lower respectively than the pressure ambient to the vehicle, an inlet located at a site of high pressure for extracting from the stream air to be supplied to the power plant, and at least one outlet located at a site of lower pressure for discharging into the stream exhaust gases supplied by the power plant.
In one embodiment there are provided a pair of outlets (47) pivotable about a horizontal axis transverse of the cab roof.
REFERENCES:
patent: 3854769 (1974-12-01), Saunders
patent: 3929369 (1975-12-01), Blair
patent: 3934923 (1976-01-01), Lissaman
patent: 3987862 (1976-10-01), Lidstone
patent: 4068883 (1978-01-01), Meinecke et al.
patent: 4079984 (1978-03-01), Powell
patent: 4093300 (1978-06-01), Snizek
patent: 4142758 (1979-03-01), Scaife
patent: 4208197 (1980-06-01), Yakimowich et al.
Bertsch Richard A.
Donaldson & Company, Inc.
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