Invention Grant
- Patent Title: Centrifugal debris pre-separator for turbine engine oil filter
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Application No.: US15973808Application Date: 2018-05-08
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Publication No.: US11073053B2Publication Date: 2021-07-27
- Inventor: David Allen Stachowiak
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Snell & Wilmer L.L.P.
- Main IPC: F01M11/03
- IPC: F01M11/03 ; B01D21/26 ; F02C7/06 ; F01D25/18 ; F01M1/10 ; F16N39/06 ; F02C3/04

Abstract:
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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