Propeller provided with interchangeable blades and a method of mounting interchangeable blades on a propeller
US11649036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2020 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Oct 29, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/48
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller provided with interchangeable blades, and to a method of mounting such interchangeable blades on the propeller. The propeller comprises a hub, fastening fittings, rotation guide devices for guiding the fastening fittings in rotation relative to the hub, locking parts, and blades. The fastening fittings are configured to be assembled into the hub from the inside of the hub, and the locking parts lock respective ones of the fastening fittings onto the hub. The blades are fastened to respective ones of the fastening fittings outside the hub and can thus easily be replaced with other blades without removing the propeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.