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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.:

US 11097708 B1

PDFFull Text
Date of Patent:
Aug. 24, 2021

Filed:

Mar. 16, 2016

Pressure generating device and operating method comprising an electrically driven dual-action reciprocating piston

Applicant:

Ipgate Ag, Pfäffikon, CH;

Inventors:

Heinz Leiber, Oberriexingen, DE;

Thomas Leiber, Munich, DE;

Christian Köglsperger, Geretsried, DE;

Assignee:

IPGATE AG, Pfaffikon, CH;

Attorney:

Panitch Schwarze Belisario & Nadel LLP

Primary Examiner:

Abiy Teka

Int. Cl.
CPC ...
B60T 13/68 (2006.01); B60T 8/40 (2006.01); B60T 13/74 (2006.01); B60T 7/04 (2006.01); B60T 8/17 (2006.01); B60T 8/176 (2006.01); B60T 13/58 (2006.01); B60T 17/22 (2006.01); B60T 8/32 (2006.01); B60T 11/16 (2006.01);
U.S. Cl.
CPC ...
B60T 13/686 (2013.01); B60T 7/04 (2013.01); B60T 8/17 (2013.01); B60T 8/176 (2013.01); B60T 8/4022 (2013.01); B60T 8/4077 (2013.01); B60T 8/4081 (2013.01); B60T 13/58 (2013.01); B60T 13/745 (2013.01); B60T 17/22 (2013.01); B60T 8/326 (2013.01); B60T 11/165 (2013.01); B60T 2270/10 (2013.01); B60T 2270/404 (2013.01); B60T 2270/82 (2013.01);
Abstract

A pressure generating device may comprise a piston-cylinder unit having a bilaterally acting piston with two effective surfaces defining two respective, separate working spaces in a sealing manner. Each working space is connected via a hydraulic line to a hydraulic circuit, wherein at least one hydraulic chamber of a consumer is connected to each hydraulic circuit, and wherein a drive drives the piston. Each working space may be in communication with a reservoir for hydraulic medium, via a respective hydraulic line having a respective switching valve. Alternatively, one or both working spaces may be in communication with a reservoir for hydraulic medium via a hydraulic line, with a switching valve in one or both hydraulic lines, and/or a respective outlet valve may be associated with one or more hydraulic chambers of the consumer, and a further connecting line having a switching valve may connect the pressure chambers and/or hydraulic lines.

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