Protective means for feeder of machinery with DC-motor
US4151450A · kind A · utility
21Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1977 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Jul 28, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S388/903
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A protective means for a feeder of machinery having means for transmitting control signal formed from the differential between a predetermined revolution speed and an actual revolution speed of a DC-motor for driving the feeder, and a means to control current in the DC-motor according to said control signal, thereby protecting the motor against excessive current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.