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:
May. 26, 2026
Filed:
Mar. 24, 2023
Zf Cv Systems Global Gmbh, Bern, CH;
Robert Otremba, Ronnenberg, DE;
ZF CV Systems Global GmbH, Bern, CH;
Abstract
A double check valve () includes a sleeve () with a first inlet opening (), a second inlet opening (), an outlet opening (), and a guide piece (). The guide piece () movable along the longitudinal axis (L) within the sleeve (), by loading with a fluid-induced pressure, between a first blocking position (S) and a second blocking position (S) spaced therefrom, wherein each of the inlet openings () is closed at least partly fluid-tightly by the guide piece () in one of the blocking positions (S, S). The double check valve () has a permanent magnet (), and the guide piece () and the permanent magnet () are configured to magnetically deflect the guide piece () from an intermediate position (Z) arranged between the blocking positions (S, S) and/or from one of the two blocking positions (S, S).