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:
Apr. 04, 1989
Filed:
Jun. 11, 1987
Applicant:
Inventor:
Horst Wolf, Albershausen, DE;
Assignee:
Zinser Textilmaschinen GmbH, Ebersbach/Fils, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ; D01H / ;
U.S. Cl.
CPC ...
57100 ; 57 78 ; 57 93 ; 57 94 ;
Abstract
To decrease the time required for spindles of a spinning machine to reach their normal operating speeds after a yarn breakage or the like, where the spindles are individually driven by respective asynchronous motors individual to the spindles, the alternating current source whose frequency defines the speed of the motor is temporarily brought to a voltage above the normal operating voltage and the voltage step-up is then terminated.