Power unit cooling device

Details Power unit cooling device Power unit cooling device

2008-07-01

2008-07-01

Bonck, Rodney H (Department: 3681)

192 clutches and power-stop control

Elements

Lubricating, insulating, or cooling

C416S189000

Reexamination Certificate

active

07392893

ABSTRACT:
A centrifugal fan is mounted to an inner plate of a centrifugal clutch as a heat-generating rotating device, and an intake port of a casing is formed near a front side in the axial direction of the centrifugal fan. The centrifugal fan includes a base plate connected to the inner plate of the centrifugal clutch, plural fins formed on the base plate, blow-off holes each formed between arbitrary adjacent fins and extending axially through the base plate, and guide walls for guiding a radially outward air flow over the base plate into the blow-off holes. Air just after admitted from the intake port passes through the blow-off holes and is blown against the centrifugal clutch.

REFERENCES:
patent: 2945620 (1960-07-01), Caddell
patent: 4493677 (1985-01-01), Ikenoya
patent: 4928651 (1990-05-01), Kronich
patent: 5343831 (1994-09-01), Collins
patent: 5387087 (1995-02-01), Chen
patent: 6514052 (2003-02-01), Bostwick
patent: 7086837 (2006-08-01), Kamoshita et al.
patent: 2003/0051697 (2003-03-01), Liu
patent: 58-109762 (1983-06-01), None

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