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.

Date of Patent:
Dec. 10, 2024

Filed:

Jan. 05, 2021
Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Frederick Kieferndorf, Baden, CH;

Joerg Lehmann, Basel, CH;

Stefano Mattei, Zurich, CH;

Assignee:

Hitachi Energy Ltd, Zürich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 1/20 (2006.01); H01H 33/42 (2006.01); H01H 33/59 (2006.01);
U.S. Cl.
CPC ...
H01H 33/42 (2013.01); H01H 1/2058 (2013.01); H01H 33/59 (2013.01);
Abstract

The present disclosure provides a contact actuating unit for an electrical circuit breaker. The contact actuating unit includes an electro-mechanical device. An actuator of the electro-mechanical device is connected to a contact arrangement in the electrical circuit breaker. The contact actuating unit further comprises a control unit. The control unit is configured to control the electro-mechanical device to move the actuator and to bring the contact arrangement from a first to a second position. The contact actuating unit further includes a command feed forward or motion trajectory and feed forward controller, configured to provide one or more data signals. At least one of the provided data signals is indicative of a predetermined force and/or torque value, adapted to command the control unit to move the contact arrangement with the actuator to a predetermined position.


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