US Patent 11543019 Gear box with an oil stirring box

Provided is a gear box including a lubricating oil pool arranged at a bottom of the gear box, and at least one oil stirring box that includes an oil storage chamber, the oil storage chamber being provided with an oil scooping port and at least one oil outlet. The at least one oil stirring box is arranged on a rotary component in the gear box and rotatable along with the rotary component. A lubricating oil in the lubricating oil pool is allowed to flow through the oil scooping port into the oil storage chamber when the at least one oil stirring box rotates to the lubricating oil pool. The lubricating oil in the oil storage chamber is further allowed to flow out of the at least one oil outlet to a lubrication point when the oil stirring box rotates to the vicinity of the lubrication point.