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公开(公告)号：US10989231B2
公开(公告)日：2021-04-27
申请号：US16272585
申请日：2019-02-11
申请人： HAWE HYDRAULIK SE
摘要： A hydraulic valve assembly includes a first spool valve and a first selector valve for actuating a first hydraulic consumer port or a second hydraulic consumer port, and a second spool valve and a second selector valve for actuating a third hydraulic consumer port or a fourth hydraulic consumer port. A shut-off valve is arranged in a common pressure channel. A branch channel with first and second pressure branch channels branches off the pressure channel upstream of the shut-off valve. The first selector valve connects the first pressure branch channel to a first connection line in a first switching position and connects the second pressure branch channel to a second connection line in a second switching position. The second selector valve, in a first switching position, connects the first connection line to the control channel and, in a second switching position, connects the second connection line to the control channel.
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公开(公告)号：US12129873B2
公开(公告)日：2024-10-29
申请号：US18358473
申请日：2023-07-25
申请人： HAWE Hydraulik SE
CPC分类号： F15B13/015 , F15B11/003 , F15B2211/30515 , F15B2211/3058 , F15B2211/30585 , F15B2211/30595
摘要： A hydraulic valve assembly includes a connection section, a first valve section and a pressure line. The first valve section has a first spool piston, a first spool diverter, at least one first consumer port and at least one second consumer port. The first spool diverter can be switched at least into a first spool diverter switching position and a second spool diverter switching position. A shut-off valve is disposed in the pressure line and blocks the pressure line in a blocking position and can be switched from the blocking position into a first release switching position and a second release switching position. The shut-off valve switches into the first release switching position when the first spool diverter is in the first spool diverter switching position and into the second release switching position when the first spool diverter is in the second spool diverter switching position.
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