Pumps – Motor driven – Electric or magnetic motor
Patent
1995-06-07
1996-12-24
Freay, Charles G.
Pumps
Motor driven
Electric or magnetic motor
4151737, F04B 3504
Patent
active
055868711
ABSTRACT:
An electric motor driven fan particularly for use on motor vehicles where water may be splashed into and onto the fan motor, includes a labyrinth-like seal in which a pair of concentric rings are formed on an integral with the fan hub and extend toward the drive motor defining an annular space therebetween, and the motor mounting bracket is provided with a non-rotating ring concentric to the pair of rings on the hub and extending from the bracket into the annular space, thereby preventing direct splash in or straight line intrusion of water into the space between the motor housing and the hub.
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Barnes Steven J.
Spence Scott R.
Freay Charles G.
ITT Automotive Electrical Systems Inc.
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