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:
Sep. 08, 2015
Filed:
Mar. 19, 2010
Applicant:
Rolf Schämann, Münster, DE;
Inventor:
Rolf Schämann, Münster, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 11/07 (2006.01); B29C 47/52 (2006.01); B29B 7/80 (2006.01);
U.S. Cl.
CPC ...
F16K 11/07 (2013.01); B29B 7/801 (2013.01); B29C 47/525 (2013.01); Y10T 137/86879 (2015.04);
Abstract
A reversing valve () for a high-viscosity medium comprises a housing () having an inlet opening () and at least two outlet openings (), extending into a valve bore in which is mounted an axially displaceable valve stem ('). The valve stem comprises a groove by which the inlet opening () is alternatively to be connected to one of the outlet openings (). The groove has an axially extending inflow zone () and an axially extending outflow zone (′). The inflow and outflow zones are connected at both ends to a continuous annular channel by way of connecting channels ().