Watercraft propulsion system and method for inverting a rotation of an impeller driven by a motor of a watercraft
US11383812B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jan 9, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H11/107
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for inverting a rotation of an impeller driven by a motor of a watercraft is disclosed. In response to sensing that the motor is stopped, a direct linkage is disconnected between the motor and the impeller and a reverse connection is established between the motor and the impeller. The motor is started after sensing that the reverse connection is established. A watercraft propulsion system having an electronic control unit configured to perform the method and a watercraft including the watercraft propulsion system are also disclosed. Reverse operation of the impeller is useful in removing debris from the jet propulsion system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.