US 12,259,037 B2
Lubrication structure of power transmission device
Moe Watanabe, Tokyo (JP); Yoshihito Kurizuka, Tokyo (JP); and Kazuaki Watanabe, Tokyo (JP)
Assigned to Honda Motor Co., Ltd., Tokyo (JP)
Filed by Honda Motor Co., Ltd., Tokyo (JP)
Filed on Jul. 28, 2023, as Appl. No. 18/360,846.
Claims priority of application No. 2022-161460 (JP), filed on Oct. 6, 2022.
Prior Publication US 2024/0117875 A1, Apr. 11, 2024
Int. Cl. F16H 57/04 (2010.01); F16H 57/02 (2012.01); F16H 63/34 (2006.01); B60K 6/20 (2007.10)
CPC F16H 57/0476 (2013.01) [F16H 57/0423 (2013.01); F16H 57/0424 (2013.01); F16H 57/045 (2013.01); F16H 57/0457 (2013.01); B60K 6/20 (2013.01); B60Y 2200/92 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02043 (2013.01); F16H 63/3416 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lubrication structure of a power transmission device, comprising:
a case, accommodating components of the power transmission device;
a partition wall, splitting an interior of the case into a first chamber and a second chamber; and
an oil storage part, storing oil in the first chamber,
wherein the oil storage part is provided at a wall part that is not the partition wall in the first chamber,
the oil storage part is not in contact with the partition wall, and
the partition wall is provided with:
a through hole for communication between the first chamber and the second chamber; and
a gutter member which extends into the first chamber below the through hole and in which a tip end part of the gutter member is disposed above the oil storage part,
a parking rod movably disposed in the through hole, the parking rod is configured to be movable in an axial direction of the through hole.