VALVE STRUCTURE, AND HYDRAULIC DEVICE, FLUID MACHINE, AND MACHINE, EACH HAVING SAME
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United States of America Patent
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Issued Date -
Sep 13, 2018
app pub date -
Sep 12, 2016
filing date -
Sep 12, 2016
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Abstract
Provided is a valve structure capable of suppressing the vibration of a valve body. The valve structure includes a valve body and a valve seat. The valve seat has a flow path of a fluid. The flow path opens and closes. A groove surrounding a central axis of the flow path is formed in a flow path wall surface downstream of a contact section between the valve body and the valve seat.
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