Invention Grant
- Patent Title: Negative thermal expansion compressor case for improved tip clearance
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Application No.: US16672938Application Date: 2019-11-04
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Publication No.: US11255214B2Publication Date: 2022-02-22
- Inventor: Dilip Prasad , Gavin Hendricks
- 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: F01D11/24
- IPC: F01D11/24 ; F01D11/18 ; F01D11/22 ; F04D29/58
Abstract:
A compressor with negative coefficient of thermal expansion case material comprising a rotor having blades with tips, the case including an inner case comprising a negative coefficient of thermal expansion material, and a tip clearance located between the tips and the inner case; wherein the tip clearance is maintained responsive to a flow of air over the negative coefficient of thermal expansion material.
Public/Granted literature
- US20210131303A1 NEGATIVE THERMAL EXPANSION COMPRESSOR CASE FOR IMPROVED TIP CLEARANCE Public/Granted day:2021-05-06
Information query
IPC分类:
