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公开(公告)号：US11813580B2
公开(公告)日：2023-11-14
申请号：US16948090
申请日：2020-09-02
申请人： NOV CANADA ULC
发明人： Luke C. Zenke , Ross Edward Brice
IPC分类号： B01F25/431
CPC分类号： B01F25/43161 , B01F25/4318 , B01F25/43171 , B01F25/431974
摘要： A static mixer may include a housing having an inlet and an outlet. The static mixer may also include a mixing element arranged within the housing. The mixing element may include a plurality of blade disk pairs arranged in crisscrossing fashion, each blade disk, of the pairs of blade disks, comprising a plurality of parallel extending and spaced apart blades. In some examples, a blade disk may include a link connecting the end of each of the plurality of parallel extending and spaced apart blades. In some examples, the link may be a ring base. In other examples, the link may be a propped tie. Alternatively or additionally, a support perch may be provided for supporting a ring base of an adjoining module.
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公开(公告)号：US11268385B2
公开(公告)日：2022-03-08
申请号：US16595281
申请日：2019-10-07
申请人： NOV CANADA ULC
发明人： Ross Edward Brice , Luke C. Zenke
摘要： A stator for a progressive cavity pump may include a containment element with an inner surface and a casing. The casing may be arranged within the containment element, be generally isolated from the inner surface of the containment element, and define a stator cavity adapted for receiving a progressive cavity pump rotor and for accommodating substantially free rotation of the progressive cavity pump rotor therein.
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