Sealing ring assemblies configured for pressure locking
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United States of America Patent
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Oct 15, 2019
Grant Date -
Feb 14, 2019
app pub date -
Aug 9, 2018
filing date -
Aug 9, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A sealing ring includes a first sealing element having a first mating surface and a second sealing element having a second mating surface. A high-pressure boundary extends across at least a portion of the first sealing element and across at least a portion of the second sealing element, and a low-pressure boundary extends across at least a portion of the first sealing element and across at least a portion of the second sealing element. The first mating surface, the second mating surface, or both, includes a recess open to the low-pressure boundary and not open to the high-pressure boundary. The recess may include a groove, for example. The first mating surface is sealed against the second mating surface by a first force acting on the first sealing element and a second force acting on the second sealing element. These forces act to pressure-lock the assembly.
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