- 专利标题: Centrifugal debris pre-separator for turbine engine oil filter
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申请号: US17329473申请日: 2021-05-25
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公开(公告)号: US11970960B2公开(公告)日: 2024-04-30
- 发明人: David Allen Stachowiak
- 申请人: RAYTHEON TECHNOLOGIES CORPORATION
- 申请人地址: US CT Farmington
- 专利权人: RTX CORPORATION
- 当前专利权人: RTX CORPORATION
- 当前专利权人地址: US CT Farmington
- 代理机构: SNELL & WILMER L.L.P.
- 主分类号: F01M11/03
- IPC分类号: F01M11/03 ; B01D21/26 ; B01D29/21 ; B01D29/33 ; B01D29/58 ; F01D25/18 ; F01M1/10 ; F02C7/06 ; F16N39/06 ; F02C3/04
摘要:
A fluid filtration assembly (FFA) includes a housing having a thickness defined between an internal surface and an external surface, the housing receiving a filter and defining an outer annular flow passage between an outer surface of the filter and the internal surface of the housing; an inlet pipe communicates with the FFA and injects a fluid into the housing to impart a centrifugal force; an outlet pipe communicates with the FFA and discharges the fluid from the housing; and a collection area disposed towards an end of the outer annular flow passage collects particulate matter from the fluid; wherein a width of the outer annular flow passage increases towards the collection area.
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