Hydraulic control system for continuously variable V-belt transmission
US4519790A · kind A · utility
18Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1982 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Mar 26, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H61/66263
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic control system disclosed herein comprises a line pressure regulator valve which regulates the fluid supplied from a pump to provide a line pressure variable at least depending upon output torque of the engine. The line pressure is supplied to a shift control valve which regulates the fluid supply to and discharge from cylinder chambers of drive and driven pulleys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.