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公开(公告)号：US11668406B2
公开(公告)日：2023-06-06
申请号：US17440760
申请日：2020-09-25
发明人： Feng Zhang , Yunnan Wei , Yanhua Wang , Jinghui Fan
IPC分类号： F16K17/30
CPC分类号： F16K17/30
摘要： A gas pressure regulator includes a valve body and a valve cover. The valve cover is covered on the valve body. The valve body is provided with a valve cavity, and the valve cavity is connected to an air inlet channel and an air outlet channel. The valve cavity includes a primary pressure regulating cavity and a secondary pressure regulating cavity, and the primary pressure regulating cavity and the secondary pressure regulating cavity are communicated with each other through a valve port. The primary pressure regulating cavity is communicated with the air inlet channel, and a valve core pressure regulating assembly is disposed between the primary pressure regulating cavity and the air inlet channel. The secondary pressure regulating cavity is communicated with the air outlet channel. A lever pressure regulating assembly is disposed between the valve port and the secondary pressure regulating cavity.
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公开(公告)号：US11385661B1
公开(公告)日：2022-07-12
申请号：US17349761
申请日：2021-06-16
发明人： Feng Zhang , Yunnan Wei , Jinghui Fan , Minxiao Dai
摘要： A gas pressure regulating device is provided which comprises a housing, in which a first mounting cavity for installing a level-1 depressurization mechanism and a second mounting cavity for installing a level-2 depressurization mechanism are provided in sequence along the air intake direction; the level-1 depressurization mechanism comprises a sliding sleeve, and a mounting tubing which is communicated with the gas inlet is formed inside the first mounting cavity, and the sliding sleeve is slidably assembled between an outer wall of the mounting tubing and an inner wall of the first mounting cavity; the other end of the sliding sleeve is provided with a gas discharge orifice and a sealing gasket, and the gas inlet connector is in communication with the first mounting cavity through the gas discharge orifice; the sliding sleeve slides along the axial direction to adjust the openness of the gas outlet to realize the level-1 depressurization. The gas pressure regulating device provided comprising two levels of depressurization mechanisms, which is simple in structure and fewer in parts. Further, the device is capable of effectively reducing the risk of occurrence of dangerous accidents such as product leakage due to failure of parts, thereby effectively guaranteeing stability and accuracy of pressure regulation performance.
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