BorgWarnmer Inc.
BorgWarnmer Inc. Patent applications | ||
Patent application number | Title | Published |
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20110209676 | ELECTRO-HYDRAULIC PRESSURE CONTROL FAN DRIVE SYSTEM WITH ELECTRICAL FAILURE MODE OPERATION - A fan drive system is provided that is hydraulically controlled having an electrical failure mode wherein midrange operation of the fan drive system is maintained. Accordingly, in the failure mode, a fan drive system hydraulic relief valve is not closed thereby ensuring a degree of operation of the fan drive system even during periods of electrical failure. | 09-01-2011 |