Electromagnetic coupling and cooling system therefor

Details Electromagnetic coupling and cooling system therefor Electromagnetic coupling and cooling system therefor

H - Electricity

02

K

310/31, 310/35

H02K 9/02 (2006.01) H02K 49/04 (2006.01) H02K 51/00 (2006.01)

Patent

CA 1170301

ABSTRACT OF THE DISCLOSURE The present invention provides an electromagnetic coupling including a housing (13), the rotor (33), an inductor drum (25), including a generally cylindrical drum portion (27) having an outer heat dissipating surface including at least one generally circumferentially extending heat dissipating groove (57). A coil (47) is provided for coupling the rotor member and inductor drum. The housing includes openings therein for directing cooling fluid into the housing to dissipate heat generated in the inductor drum and a plurality of fluid directing means are attached to the outer heat dissipating surface of the inductor drum for rotation therewith. The fluid directing means (61) are obliquely disposed relative to the axis of rotation of the inductor drum to direct cooling fluid inwardly into the heat dissipating grooves to cool the inductor drum. The utilization of fluid directing means which is obliquely disposed relative to the axis of rotation of the inductor drum substantially reduces the noise generated upon rotation of the inductor drum.

388604

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