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公开(公告)号：US20230313896A1
公开(公告)日：2023-10-05
申请号：US17657511
申请日：2022-03-31
发明人： Victor Moreno Patan , Maria Guadalupe Martinez Escobedo , Diana Julieta Méndez Maya , Liliana Jaramillo Ochoa , Luis Daniel Muñoz Sosa , Jose Ramon Garcia Martinez
CPC分类号： F16K15/038 , F16K27/0227
摘要： A check valve assembly includes a first flapper, a second flapper, an internal passage formed by the first flapper and the second flapper, and a nozzle disposed within the internal passage and configured to generate an internal flow in the internal passage. In response to a fluid flow through the check valve assembly, the first flapper and the second flapper are configured to move between an open position allowing the internal flow through the internal passage and an outer flow outside the internal passage, and a closed position preventing flow through the internal passage. When the first flapper and the second flapper are operably in the open position, the internal flow has a lower pressure than the outer flow outside of the internal passage, such that the first flapper and the second flapper are maintained in the open position.
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公开(公告)号：US11828372B2
公开(公告)日：2023-11-28
申请号：US17657511
申请日：2022-03-31
发明人： Victor Moreno Patan , Maria Guadalupe Martinez Escobedo , Diana Julieta Méndez Maya , Liliana Jaramillo Ochoa , Luis Daniel Muñoz Sosa , Jose Ramon Garcia Martinez
CPC分类号： F16K15/038 , F16K27/0227
摘要： A check valve assembly includes a first flapper, a second flapper, an internal passage formed by the first flapper and the second flapper, and a nozzle disposed within the internal passage and configured to generate an internal flow in the internal passage. In response to a fluid flow through the check valve assembly, the first flapper and the second flapper are configured to move between an open position allowing the internal flow through the internal passage and an outer flow outside the internal passage, and a closed position preventing flow through the internal passage. When the first flapper and the second flapper are operably in the open position, the internal flow has a lower pressure than the outer flow outside of the internal passage, such that the first flapper and the second flapper are maintained in the open position.
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