Marine drive having vented lower unit
US12275511B2 · kind B2 · utility
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59References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2022 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Sep 13, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2209/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A marine drive is for propelling a marine vessel in a body of water. The marine drive comprises a motor housing defining a motor cavity; a motor disposed in the motor cavity; a propulsor shaft extending from the motor housing, wherein the motor is configured to cause rotation of the propulsor shaft; a propulsor which is rotated by the propulsor shaft to create a thrust force in the body of water; and a vent conduit having a first end connected to the motor cavity and a second end which vents the motor cavity to atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.