Propeller hubcap
US11713101B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 6, 2021 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Dec 6, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H1/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention is directed to a propeller hubcap and method for installing a propeller hubcap which includes attaching a propeller hubcap to main propeller where the main propeller has at least two blades and a shaft and where the shaft has a diameter of from 2.5 inches to 6 inches. The propeller hubcap includes a central body and propeller blades, where the propeller blades are timed with the blades of the main propeller. A thick and thin nut are provided on the main propeller shaft where the thick or thin nut which is positioned further from the main propeller is tapped by multiple holes which have received a fastener. The fasteners attach the propeller hubcap to the main propeller shaft via complementary holes in the central body of the propeller hubcap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.