US 2019/0316656 A1 · MULTI-STAGE TRANSMISSION

Abstract

A multi-stage transmission comprises: a ring gear having inner gear teeth formed on the inner side; a first transmission module comprising first shaft, which is disposed on the inner side of the ring gear and has a first sun gear formed on the outer peripheral side, a first pinion gear, which is a gear coupled to the first sun gear and the inner gear teeth, and a first transmission unit which enables rotation and revolution of the first pinion gear inside the ring gear; and a second transmission module comprising a second shaft, which is disposed on the inner side of the ring gear and has a second sun gear formed on the outer peripheral side, a second pinion gear, which is a gear coupled to the second sun gear and the inner gear teeth, and a second transmission unit which enables rotation and revolution of the second pinion gear inside the ring gear.

Claims17

Dependent claims

A multi-stage transmission, comprising:

a ring gear having inner gear teeth formed inside;
a first transmission module comprising,
a first shaft entering the ring gear
a first sun gear mounted to said first shaft outside of said ring gear,
at least one first pinion gear coupled to the first sun gear and the inner gear teeth of said ring gear, and
a first transmission unit which enables rotation and orbit of the first pinion gear inside the ring gear;
and
a second transmission module comprising
a second shaft entering the ring gear,
a second sun gear mounted to said second shaft outside of said ring gear,
at least one second pinion gear coupled to the second sun gear and the inner gear teeth of said ring gear, and
a second transmission unit which enables rotation and orbit of the at least one second pinion gear inside the ring gear.

9 more elements

Dependencies are inferred from the claim text.

Multi-stage transmission

Life of this patent

Multi-stage transmission

Life of this patent

Abstract

Claims17