Noise-comfort function for cooling systems with proportional...

Details Noise-comfort function for cooling systems with proportional... Noise-comfort function for cooling systems with proportional...

2010-08-06

2011-11-01

Restifo, Jeffrey J (Department: 3618)

Motor vehicles

Power

With means to guide and/or control air for power plant cooling

C429S433000, C903S908000

Reexamination Certificate

active

08047319

ABSTRACT:
A method for operating a cooling system for a fuel cell stack in a vehicle is provided. The method includes the steps of: determining a fan request for a variable speed fan disposed in the cooling system; employing a noise-comfort function to select a fan comfort request; and adjusting a speed of the variable speed fan in response to the fan request; wherein a noise emission by the variable speed fan is militated against. A cooling system for a fuel cell stack in a vehicle that employs the noise-comfort function is also provided.

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