Apparatus for making textile fiber strands and method of operating same
US4736580A · kind A · utility
4Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1987 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Apr 1, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H1/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The apparatus for making textile fiber strands has a principal drive unit and at least one auxiliary drive unit. At least one alternating current motor of the principal drive unit is provided with a supply current of an adjustable frequency by a frequency converter. The frequency converter or at least one of the frequency converters is connectable to at least one alternating current motor of at least one of the auxiliary drive units in an intermediate time interval in which the receiving members of the apparatus for the fiber strands being produced are not loaded with the fiber strands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.