Fan assembly for vehicles

Details Fan assembly for vehicles Fan assembly for vehicles

1984-02-14

1984-12-11

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Resilient bias or mount

416169A, 416134R, 464 98, 267161, 415141, B64C 1112, B64C 2772

Patent

active

044875517

ABSTRACT:
A cooling fan assembly made of plastic material is composed of a plurality of fan blades and a boss and connected to a viscous fluid coupling device rotatably mounted through a bearing assembly on a driving shaft of an automotive vehicle. An axially resilient connecting member in the form of a plate spring is fixed to the boss of the fan assembly at one end thereof and to the coupling device at the other end thereof, whereby the inertia moment of the fan rotation causes the appropriate rotation of the fan assembly in spite of possible misalignment of the coupling device with respect to the driving shaft to thereby protect the bearing assembly from being damaged. Helical or waved springs may be interposed between the fan boss and the coupling device in place of the plate spring.

REFERENCES:
patent: 766261 (1904-08-01), Jebsen
patent: 1854329 (1932-04-01), Carter
patent: 1947052 (1934-02-01), Lack
patent: 2041555 (1936-05-01), Lee
patent: 3089342 (1963-05-01), Willis
patent: 3180571 (1965-04-01), Caroli et al.
patent: 3299963 (1967-01-01), Lowe
patent: 3642382 (1972-02-01), Hayashi
patent: 4325650 (1982-04-01), Masai

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