Title:
OUTBOARD ENGINE
Document Type and Number:
Japanese Patent JP2023094183
Kind Code:
A
Abstract:
To reduce a forward axial load applied on a bearing for supporting a front driven gear on a case of an outboard engine during ship advancement.SOLUTION: A contra-rotating propeller type outboard engine comprises: an outer propeller shaft 4 and an inner propeller shaft 6 which are coaxially arranged; a rear driven gear 43 engaged, from a rear side, with a main drive gear 38 coupled with a lower end side of a drive shaft and coupled with a front end side of the outer propeller shaft 4; a front driven gear engaged with the main drive gear 38 from a front side, and coupled with the front end side of the inner propeller shaft 4; and a lower case 11 covering a front part of the outer propeller shaft 4, a front part of the inner propeller shaft 6, the main drive gear 38, the rear driven gear 43, and the front driven gear. On an outer peripheral side of the front part of the outer propeller shaft 4, a bearing 48 for rotatably supporting the outer propeller shaft 4 on the lower case 11 and receiving a forward axial load applied on the outer propeller shaft 4 is provided.SELECTED DRAWING: Figure 4
Inventors:
HIKOSAKA TOMOKAZU
Application Number:
JP2021209507A
Publication Date:
July 05, 2023
Filing Date:
December 23, 2021
Export Citation:
Assignee:
SUZUKI MOTOR CORP
International Classes:
B63H5/10; B63H20/14
Attorney, Agent or Firm:
Akihiko Kitamura
Takeo Nakajima
Tsutomu Mizoguchi
Takeo Nakajima
Tsutomu Mizoguchi