Propeller for a marine propulsion system
US8235666B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2006 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Sep 16, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H3/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller for a marine propulsion system is disclosed which comprises a propeller hub having a casing formed from three segments (16a, 16b, 16c), each of which has a part of an opening (28) for mounting a propeller blade (34). A locking and unlocking mechanism (51, 54, 95, 100) is provided for disengaging the propeller blades to enable pitch adjustment of the blades. A push rod (50) is connected to the mechanism (100) to cause disengagement and adjustment of the pitch of the blades. The mechanism (100) includes a claw (101) having pivotally connected fingers (95). The hub also has a slide ring (51) having a load surface (61) is provided for receiving load when the propeller blades are unlocked to enable pitch adjustment to take place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.