- Patent Title: Central-positioned pitch control device for a coaxial helicopter
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Application No.: US15383721Application Date: 2016-12-19
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Publication No.: US10538320B2Publication Date: 2020-01-21
- Inventor: Mengyi Dai
- Applicant: QINGAN GROUP CO., LTD.
- Applicant Address: CN Xi'an
- Assignee: QINGAN GROUP CO., LTD.
- Current Assignee: QINGAN GROUP CO., LTD.
- Current Assignee Address: CN Xi'an
- Agency: Osha Liang LLP
- Priority: CN201410275790 20140619
- Main IPC: B64C27/80
- IPC: B64C27/80 ; B64C27/605 ; B64C11/30 ; B64C11/36 ; B64C11/42 ; B64C27/10 ; B64C27/12
Abstract:
A central-positioned pitch control device used in a coaxial helicopter includes an upper propeller hub; a lower propeller hub; a first blade mounted on the outside of the upper propeller hub; a second blade mounted on the outside of the lower propeller hub; and a central-positioned pitch control device placed between the upper propeller hub and the lower propeller hub.
Public/Granted literature
- US20170096220A1 CENTRAL-POSITIONED PITCH CONTROL DEVICE FOR A COAXIAL HELICOPTER Public/Granted day:2017-04-06
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