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:
Aug. 28, 2018
Filed:
May. 15, 2015
Applicant:
Auma Riester Gmbh & Co. KG, Mullheim, DE;
Inventors:
Benjamin Hofmann, Heitersheim, DE;
Wilfried Platzer, Freiburg, DE;
Assignee:
AUMA Riester GmbH & Co. KG, Müllheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/04 (2006.01); H02J 7/34 (2006.01); H02P 4/00 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
F16K 31/046 (2013.01); H02J 7/0057 (2013.01); H02J 7/34 (2013.01); H02P 4/00 (2013.01);
Abstract
In a valve closing device () including an emergency actuator (), the emergency actuator () is energized by at least two independently, redundantly operable energy storage units (), each of which includes charging electronics () that allow rechargeable batteries () of the energy storage units () to be operated at least in a maintenance charging cycle and in a trickle charging cycle.