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:
Jul. 08, 2008

Filed:

May. 12, 2004
Applicants:

Clemens Krebs, Tuebingen, DE;

Herbert Dreher, Horb, DE;

Inventors:

Clemens Krebs, Tuebingen, DE;

Herbert Dreher, Horb, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/04 (2006.01); F16K 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a check valve () that is screwed into a threaded bore () of a housing () of a hydraulic subassembly between a first pressure side () and a second pressure side () by means of an external thread () which is disposed in a first cylinder section () of a cylindrical valve housing () of the check valve (). A passage duct () which allows a hydraulic fluid to flow between the sidewall of the threaded bore () and a first removed portion () of the surface area () of the cylindrical valve housing () is embodied in at least one angular segment (a, a, and a) of the valve housing ().


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