A HYDRAULIC VALVE ARRANGEMENT
World Intellectual Property Organization Patent
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Abstract
A hydraulic valve arrangement (1) is provided comprising comprising a supply port arrangement having a high pressure port (2) and a low pressure port (4), a working port arrangement having two working ports (6, 7), a first valve (13) arranged between said high pressure port (2) and said working port arrangement (6, 7), a second valve (14) arranged between said low pressure port (4) and said working port arrangement (6, 7), a controller (19) for controlling said first valve (13) and said second valve (14), said controller (19) having an input connection (20) for receiving a signal of an operator input device, and a regenerative flow path which can be established by means of at least one of said first valve (13) and said second valve (14). The function of such a hydraulic valve arrangement should be enhanced. To this end said controller (19) said controller interrupts said regenerative flow path when a feed pressure at said working port arrangement (6, 7) exceeds a predermined pressure level.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
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Patent Owner(s)
Patent Owner | Address |
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SAUER DANFOSS APS | DKFORT DENMARK |
International Classification(s)
Inventor(s)
Inventor Name | Address |
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WROBLEWSKI DIRK | FLENSBURG |
CALLESEN FREDE | ODNENSE S |
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