Motor-fan unit with cooled motor

Details Motor-fan unit with cooled motor Motor-fan unit with cooled motor

1977-12-06

1980-07-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

165121, 417368, H02K 900

Patent

active

042108330

ABSTRACT:
Motor-fan unit, particularly for the cooling of the circulation water of an automobile vehicle motor, comprising a helicoid fan driven by an electric motor. A centrifugal interior blading draws air through the electric motor to cool it. The motor is fixed in a housing having at least one lateral opening for air entry which is located radially opposite a cavity formed in an arm connecting the housing to a collar which surrounds the helicoid fan. The cavity has a generally U-shaped section with its concavity turned downstream of the flow of air drawn in by the helicoid fan.

REFERENCES:
patent: 1645064 (1927-10-01), Lewinner
patent: 2012745 (1935-08-01), Findley
patent: 2294586 (1942-09-01), Troller
patent: 2690513 (1954-09-01), Tamm
patent: 3303995 (1967-02-01), Boeckel
patent: 3518468 (1970-06-01), Wightman

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