Fan, particularly for motor vehicles

Details Fan, particularly for motor vehicles Fan, particularly for motor vehicles

1991-10-23

1993-06-08

Look, Edward K.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417354, 41742314, 4174237, F04B 1700

Patent

active

052173534

ABSTRACT:
The fan includes a bladed, centrifugal fan wheel and an electric motor with an external rotor which is foxed torsionally to the fan wheel. The motor includes a casing constituted by a stationary part with holes for taking in air from outside for ventilating the interior of the motor and a rotary part with holes which act as outlet ducts for the internal ventilation air. The cross-sections of the ducts decrease in the direction of the air-flow and open into the outside atmosphere in regions over which the air-flow induced by the fan wheel passes in operation.

REFERENCES:
patent: 1230206 (1917-06-01), Niemeyer
patent: 1779657 (1930-10-01), Breidert
patent: 2709035 (1955-05-01), Schmidt
patent: 2871791 (1959-02-01), Litzenberg
patent: 2956731 (1960-10-01), Bayuk et al.
patent: 3263908 (1966-08-01), Kroker et al.
patent: 3341113 (1967-09-01), Sebok et al.
patent: 3698839 (1972-10-01), Distefano
patent: 3933416 (1976-01-01), Donelian
patent: 4428719 (1984-01-01), Hayashibara et al.
patent: 4476405 (1984-10-01), Komurasaki
patent: 4527960 (1985-07-01), DeSisto

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