Invention Grant
- Patent Title: Spiraling grooves as a hub treatment for cantilevered stators in compressors
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Application No.: US16268683Application Date: 2019-02-06
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Publication No.: US11136895B2Publication Date: 2021-10-05
- Inventor: Georgi Kalitzin , Gorazd Medic , Om P. Sharma , Junsok Yi , Dilip Prasad
- 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: Bachman & LaPointe, P.C.
- Main IPC: F01D11/00
- IPC: F01D11/00 ; F04D29/16 ; F04D29/32 ; F04D29/68
Abstract:
A casing treatment comprising a hub having a surface, the hub being rotatable about an axis within a casing of a gas turbine engine compressor, at least one spiral groove formed in the surface extending axially relative to the axis, a stator blade fixed to the casing, wherein a tip of the stator blade is proximate to the at least one spiral groove.
Public/Granted literature
- US20200248575A1 SPIRALING GROOVES AS A HUB TREATMENT FOR CANTILEVERED STATORS IN COMPRESSORS Public/Granted day:2020-08-06
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