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:
Oct. 03, 2023

Filed:

May. 05, 2020
Applicant:

Moog Gmbh, Boblingen, DE;

Inventors:

Werner Handle, Marbach a. N., DE;

Achim Helbig, Stuttgart, DE;

Assignee:

Moog GmbH, Böblingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 21/04 (2019.01); F15B 11/08 (2006.01); H02K 5/20 (2006.01); F15B 7/00 (2006.01);
U.S. Cl.
CPC ...
F15B 21/04 (2013.01); F15B 11/08 (2013.01); H02K 5/203 (2021.01); F15B 7/006 (2013.01); F15B 2211/20515 (2013.01); F15B 2211/27 (2013.01); F15B 2211/41572 (2013.01); F15B 2211/611 (2013.01); F15B 2211/62 (2013.01);
Abstract

The hydraulic system according to the invention comprises a hydraulic circuit with a low-pressure region and a high-pressure region; a volume- and/or speed-variable hydraulic machine, which is driven by a first electric motor and has an inlet and an outlet and provides a volume flow of a hydraulic fluid in the high-pressure region of the hydraulic circuit. The hydraulic system according to the invention further comprises at least one movable shaft, which is arranged in the high-pressure region of the hydraulic circuit; at least one valve, which separates the high-pressure region from the low-pressure region; and at least one hydraulic fluid container, which is hydraulically connected to the low-pressure region of the hydraulic circuit. The hydraulic system according to the invention also has a discharge line, which discharges hydraulic fluid from the leakage of the hydraulic machine, and a cooling line for transporting the hydraulic fluid in order to cool the electric motor, the discharge line and the cooling line being fluidically connected to at least one of the hydraulic fluid containers.


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