The present invention is directed to an environmental control system for use with a battery cabinet having at least one battery and a fan employable to circulate air through the battery cabinet, and method of operating the fan to circulate air through the battery cabinet. In one embodiment, the environmental...http://www.google.de/patents/US6936372?utm_source=gb-gplus-sharePatent US6936372 - Environmental control system for use with a battery cabinet and method of operating a fan therein
