Control arrangement

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United States of America Patent

PATENT NO 9303661
APP PUB NO 20120181459A1
SERIAL NO

13386281

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A control arrangement for use in a hydraulic control system including a control valve having at least two movable elements, such as spools or poppets, that is adapted to control a main flow through the control valve. The control arrangement further includes a control unit. In an embodiment the control arrangement is adapted to control the operation of the control valve in accordance with a first control scheme, monitor an operating parameter of the control system, and control the operation of the control valve in accordance with a second control scheme in the event that the value of the operating parameter falls outside of a predetermined range.

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Patent Owner(s)

Patent OwnerAddress
DANFOSS A/STHE DANISH NORDBORG CITY NUOBAO DIMENSION DK-6430 NO 81 NORDBORG REGION SYDDANMARK

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fagerlund, Christian Bredared, SE 3 13
Tresadern, Jonathan Swindon, GB 2 4

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