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公开(公告)号：US20230383770A1
公开(公告)日：2023-11-30
申请号：US18323841
申请日：2023-05-25
申请人： Festo SE & Co. KG
IPC分类号： F15B13/042 , F15B13/04 , F16K31/122 , F16K31/126
CPC分类号： F15B13/0426 , F15B13/0401 , F16K31/122 , F16K31/126
摘要： A safety valve arrangement includes a fluid distributor to which a first supply valve, a first pilot valve and a first safety valve are assigned. The first supply valve selectively releases or blocks a first supply channel extending in the fluid distributor between a first supply port and a first working port. The first pilot valve selectively releases or blocks a first pilot channel extending in the fluid distributor between a first pilot air inlet and a first pilot air outlet, and the first safety valve selectively releases or blocks a first safety channel which extends between the first working port and a first safety outlet. A first separation channel, which is permanently open to the environment, is located between the first supply channel and the first pilot channel to ensure a fluid separation between the first supply channel and the first pilot channel.
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公开(公告)号：US20230364780A1
公开(公告)日：2023-11-16
申请号：US18315196
申请日：2023-05-10
申请人： Festo SE & Co. KG
CPC分类号： B25J9/14 , B25J19/0004 , F15B13/0401
摘要： A pivot joint for a robot, including a double-acting pneumatic pivot actuator, which has a first working chamber with a first working port and a second working chamber with a second working port, and further including a valve arrangement having a first valve group for a selective connection of the first working port to one of a pressurization port and an exhaust port, and having a second valve group for a selective connection of the second working port to one of the pressurization port and the exhaust port. The valve arrangement includes a safety valve which is connected to the first working port and to the second working port and which is configured for blocking a connection between the first working port and the second working port in a blocking position and for releasing the connection between the first working port and the second working port in a release position.
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