US 12,134,450 B2
Propulsion devices having electric motors for marine vessels and methods for making the same
Kass W. Sawyer, Neenah, WI (US); Laura K. Mueller, Fond du Lac, WI (US); David J. Waldvogel, Fond du Lac, WI (US); and John O. Scherer, Oshkosh, WI (US)
Assigned to Brunswick Corporation, Mettawa, IL (US)
Filed by Brunswick Corporation, Mettawa, IL (US)
Filed on Sep. 8, 2021, as Appl. No. 17/469,479.
Prior Publication US 2023/0070725 A1, Mar. 9, 2023
Int. Cl. B63H 21/17 (2006.01); B63H 20/32 (2006.01)
CPC B63H 21/17 (2013.01) [B63H 20/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A propulsion device for rotating a propulsor to propel a marine vessel, the propulsion device comprising:
a drive housing having a cavity that extends along a first central axis; and
a motor positioned within the cavity, wherein the motor rotates a shaft extending along a second central axis that is non-coaxial with the first central axis, and wherein the shaft is configured to rotate the propulsor to propel the marine vessel;
wherein the drive housing comprises a fixed portion and a removable portion removably coupled to the fixed portion, wherein the cavity is defined in the fixed portion and the motor is coupled to the removable portion.