Patent · US Active

Continuously variable transmission

US11441667B2 · kind B2 · utility

0Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2018
Grant dateSep 13, 2022
Priority date
Expiry dateJul 28, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/0489
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A continuously variable transmission includes a variator having a belt wound around a pair of pulleys, and a case forming a container chamber for the variator. The pulleys include fixed pulleys and movable pulleys. The belt includes elements stacked to be arranged in an annular form, and rings binding the element stacked. A circumference wall portion of the case is provided with a monitoring hole enabling flank faces of the elements to be monitored.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.