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Pub. No.:    WO/2018/157806    International Application No.:    PCT/CN2018/077489
Publication Date: Sat Sep 08 01:59:59 CEST 2018 International Filing Date: Thu Mar 01 00:59:59 CET 2018
IPC: F16H 3/76
F16H 25/20
F16H 61/66
Applicants: CAI, Youjian
Inventors: CAI, Youjian
Provided is a continuously variable transmission, comprising: a planetary power transmission mechanism, a variable-speed ring (3), and a variable-speed unit; the planetary power transmission mechanism at least comprises one power transmission component (1) and one power output component (2); the power output component (2) comprises one output shaft (21) and at least one planetary driven component (25) which is connected to the output shaft (21) and which drives the output shaft (21) to rotate; the planetary driven component (25) is arranged on the outside of a power input component (1), and may be driven by the power input component (1) to rotate around the power input component (1); the variable-speed ring (3) is connected around the planetary driven component (25) and may move back and forth in a first direction; the variable-speed unit at least comprises one compression device (5); the compression device (5) is arranged on the outside of the variable-speed ring (3) and is fixedly connected to the variable-speed ring (3) and drives the variable-speed ring (3) to move back and forth in the first direction, thus regulating the rotational speed of the power output component (2).