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:
Sep. 29, 1998
Filed:
Oct. 30, 1996
Applicant:
Inventor:
Gunther Nagel, Steinheim, DE;
Assignee:
Voith Turbo GmbH & Co. KG, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425149 ; 264 407 ; 425166 ;
Abstract
An electrohydraulic hybrid drive for a plastic injection molding machine having at least one hydraulic actuator, at least one feed system for feeding the hydraulic fluid for actuation of the hydraulic actuators, at least one electric motor for operating the feed system for the hydraulic actuators, at least one further electric motor for driving the extruder screw of a plasticator device, a joint frequency convertor which actuates both of the electrical motors and a switching device circuited between the frequency converter and at least one of the electrical motors.