Patent ID: 11879509
Assignee: DAEDONG CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The system of claim 1, wherein the lubricating oil supply portion comprises:
a lubricating oil supply line that branches out from the second transmission hydraulic line positioned in rear of the auxiliary transmission clutch portion with respect to a moving direction of oil;
a clutch lubrication valve unit connected to the lubricating oil supply line and configured to regulate flow of oil that is to be supplied as the lubricant to the clutch friction elements of each of the forward-backward switching clutch portion, the main transmission clutch portion, and the auxiliary transmission clutch portion;
a first lubrication line connecting the clutch lubrication valve unit to a clutch unit of the forward-backward switching clutch portion; and
a second lubrication line connecting the clutch lubrication valve unit to each clutch unit of the main transmission clutch portion and the auxiliary transmission clutch portion.