Engine cooling fan with electromagnetic clutch

Details Engine cooling fan with electromagnetic clutch Engine cooling fan with electromagnetic clutch

2005-07-26

2005-07-26

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Motor bodily rotatable with impeller hub or shaft

C416S16900R, C416S205000

Reexamination Certificate

active

06921250

ABSTRACT:
Apparatus for conveying air to radiators of motor vehicles and the like having a fan (10) having a plurality of blades (12) each radially mounted its own coupling device (31) on a central body (11) and able to be rotationally actuated about its longitudinal axis by an actuator (41,42,43) depending on the quantity of air required for correct cooling of the fluid, the apparatus has a device (60,160,260,360,460) for engaging/disengaging the transmission of the rotational movement from the drive (23,21;321a,21;421a,21) generating movement to the fan (10).

REFERENCES:
patent: 3899061 (1975-08-01), Krug
patent: 3924585 (1975-12-01), Woods
patent: 4397380 (1983-08-01), Yew
patent: 5687823 (1997-11-01), Nakagawa et al.
patent: 6109871 (2000-08-01), Nelson et al.
patent: 1 002 940 (2000-05-01), None
patent: 1 130 233 (2001-09-01), None
patent: 1 147 266 (1969-04-01), None

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