US 12,281,684 B2
Flywheel housing and engine equipped with flywheel housing
Mariko Ban, Sakai (JP); Yuichi Tamaki, Sakai (JP); Tomohiro Sato, Sakai (JP); Masato Ueda, Sakai (JP); and Noriyoshi Eguchi, Sakai (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Oct. 20, 2023, as Appl. No. 18/491,012.
Claims priority of application No. 2022-202090 (JP), filed on Dec. 19, 2022; and application No. 2022-202092 (JP), filed on Dec. 19, 2022.
Prior Publication US 2024/0200633 A1, Jun. 20, 2024
Int. Cl. F16F 15/31 (2006.01); F16F 15/14 (2006.01); F16F 15/315 (2006.01)
CPC F16F 15/315 (2013.01) [F16F 15/14 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A flywheel housing that houses a flywheel coupled to an output shaft of an engine, the flywheel housing comprising:
a main body portion which is arranged on the engine side of the flywheel and which has a housing portion that houses the flywheel; and
a cover portion which is arranged on an opposite side of the flywheel to the engine, and which is connected to the main body portion, and moreover which has an opening portion with an inner diameter that is smaller than an outer diameter of the flywheel, wherein
the cover portion is provided with a recessed portion that is recessed in a direction of separation from the flywheel on an opposing surface to the flywheel in a peripheral portion of an edge of the opening portion, and
the opposing surface is provided with a plurality of the recessed portions on a circumference in a periphery of the opening portion and a rib is provided between the plurality of adjacent recessed portions.