Toroidal continuously variable transmission
US11333226B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2018 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jan 24, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2015/383
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A toroidal continuously variable transmission includes: input and output discs; a power roller sandwiched between the input disc and the output disc so as to be tiltable; a trunnion supporting the power roller and configured to be tiltable about a tilt axis of the power roller and reciprocatable in a direction along the tilt axis; a piston attached to a shaft portion of the trunnion so as to be externally fitted to the shaft portion; and a cylinder forming a pressure chamber which makes the piston reciprocate in the direction along the tilt axis. An inside gap is formed between an outer peripheral surface of the shaft portion of the trunnion and an inner peripheral surface of the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.