Hydraulic operating device for a cooling fan of a utility vehicle

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12221916
APP PUB NO 20230358160A1
SERIAL NO

18307185

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Importance

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Abstract

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A hydraulic operating device for a cooling fan of a utility vehicle includes a hydraulic motor and a fan assembly, which can be driven by the hydraulic motor for generating a cooling air stream. A hydraulic supply is adjustable in terms of its delivery volume in accordance with pressure feedback for providing pressurized hydraulic liquid. A control valve for setting, in a manner dependent on a control signal that represents a cooling demand, a volume flow that passes through the hydraulic motor, with a sensor line that is branched off in a supply line between the control valve and the hydraulic motor leading to a pressure control inlet of the hydraulic supply.

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Patent Owner(s)

  • DEERE & COMPANY

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Billich, Manuel Dischingen, DE 32 14
Meid, Michael Waghaeusel, DE 21 17

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