Belt drive unit for transmitting drive between the drive shaft on an internal combustion engine and associated accessories
US4571227A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1985 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Jan 31, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2055/366
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A belt drive unit for transmitting drive between the drive shaft on an engine and associated accessories is described, the said unit essentially comprising a pin, designed to fit on to one end of the said shaft, and a pair of pulleys having different diameters and turning round the said pin, a first smaller-diameter pulley being mounted on the said pin with a free-turning wheel inbetween, and the second pulley being mounted on the said pin with an electromagnetic coupling inbetween; the said pulley is provided with a first tubular element formed in one piece with the pulley itself and having a pair of races for two rings of ball bearings and a seat for the said free-turning wheel, provision being made for two rings of ball bearings designed to sustain rotation of the said tubular element in relation to the said pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.