Invention Grant
- Patent Title: Multiple up-tower lifting appliances on wind turbines
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Application No.: US17795334Application Date: 2021-02-22
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Publication No.: US12006917B2Publication Date: 2024-06-11
- Inventor: Glen D. Aitken
- Applicant: LiftWerx Holdings Inc.
- Applicant Address: CA Cambridge
- Assignee: LiftWerx Holdings Inc.
- Current Assignee: LiftWerx Holdings Inc.
- Current Assignee Address: CA Cambridge
- Agency: BRUNET & CO. LTD.
- Agent Robert A. H. Brunet; Hans Koenig
- International Application: PCT/CA2021/050199 2021.02.22
- International Announcement: WO2021/168549A 2021.09.02
- Date entered country: 2022-07-26
- Main IPC: F03D80/50
- IPC: F03D80/50 ; B66C23/18 ; B66C23/20 ; F03D13/10

Abstract:
A nacelle-mounted multiple-appliance lift system has a first lifting appliance and a second lifting appliance mounted in a nacelle of a wind turbine. The first and second lifting appliances are each mounted on main bearing housing securements, gearbox pillow blocks, or both the main bearing housing securements and the gearbox pillow blocks. The first and second lifting appliances share one or both of the main bearing housing securements and the gearbox pillow blocks.
Public/Granted literature
- US20230087245A1 MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES Public/Granted day:2023-03-23
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