The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 1997
Filed:
Feb. 22, 1995
Applicant:
Inventor:
Jurg Faas, Dinhard, CH;
Assignee:
Rieter Machine Works, Ltd., Winterthur, CH;
Primary Examiner:
Int. Cl.
CPC ...
D01G / ; B65H / ; B65H / ;
U.S. Cl.
CPC ...
19 98 ; 19293 ;
Abstract
A sliver-delivering machine such as a card and a sliver coiler are each provided with an independent drive including a frequency-controlled free-phase motor. In addition, a frequency converter is connected in common to the motor of each drive for supplying power to each. The motors of the sliver-delivering machine and the coiler have a load-dependent speed characteristic, for example, each is an asynchronous motor with a maximum slip of 3% over a delivery speed range of up to 300 m/min.