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Compressed gas system, manual valve assembly, and manual valve piston with isochoric thermal isolation zone
Compressed gas system, manual valve assembly, and manual valve piston with isochoric thermal isolation zone
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机译:压缩气体系统,手动阀组件和带有等速热隔离区的手动阀活塞
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摘要
Manual-valve pistons, manual-valve assemblies comprising the manual-valve pistons, and compressed-gas systems comprising the manual-valve-assemblies are disclosed. A manual-valve piston for sealing a compressed-gas conduit may comprise a head portion, a sealing portion, and a stem portion between the head portion and the sealing portion. When the manual-valve piston in a conduit, a gap is defined between a blocking rim of the head portion that allows compressed gas to be trapped in an isochoric thermal isolation zone adjacent to the stem portion. The isochoric thermal isolation zone protects sealing rings seated in the sealing portion from extremely cold compressed gas being introduced into the compressed-gas system. Manual-valve assemblies comprise a manual-valve piston coupled to a coupling body. Compressed-gas systems comprise a fuel-storage vessel, a refueling port, internal conduits, and a manual-valve assembly disposed in one of the internal conduits.
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