Invention Grant
- Patent Title: Fan rotor for ram air fan
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Application No.: US17232810Application Date: 2021-04-16
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Publication No.: US11434923B2Publication Date: 2022-09-06
- Inventor: Darryl A. Colson , Roberto J. Perez
- Applicant: Hamilton Sundstrand Corporation
- Applicant Address: US NC Charlotte
- Assignee: Hamilton Sundstrand Corporation
- Current Assignee: Hamilton Sundstrand Corporation
- Current Assignee Address: US NC Charlotte
- Agency: Kinney & Lange, P.A.
- Main IPC: F04D29/32
- IPC: F04D29/32 ; B64D13/08 ; F04D25/06 ; F04D29/38 ; F04D19/00 ; B64D13/06 ; F04D29/056 ; F04D29/58
Abstract:
A fan rotor for a ram air fan includes a hub and blades extending radially outwards from the hub. The hub includes an inner hub portion, a disk portion connected to a radially outer surface of the inner hub portion, and an outer hub portion connected to a radially outer surface of the disk portion. The outer hub portion has an upstream arm with a compound contoured surface. The compound contoured surface is configured to direct air flow around the compound contoured surface and along roots of the blades.
Public/Granted literature
- US20210231128A1 FAN ROTOR FOR RAM AIR FAN Public/Granted day:2021-07-29
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