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:
Dec. 25, 2012
Filed:
Jun. 06, 2008
Jens Burmester, Grambek, DE;
Matthias Suedel, Ratekau, DE;
Jens Burmester, Grambek, DE;
Matthias Suedel, Ratekau, DE;
GEA Tuchenhagen GmbH, Buchen, DE;
Abstract
The invention relates to a double seat valve which is capable of cleaning the seat. The double seat valve includes a closing element (), when in its closed position rests with a stop surface (), arranged on a boundary surface thereof radially adjacent on an inner side to a seal (), on a second seating surface () and directly adjacent to a first seating surface () with a central recess () provided in a front face of the closing element () facing a leakage cavity (). The closing element () further includes a deflector surface () opening in a front face (c), wherein the deflector surface () and the slop surface () form a circumferential edge (U) directly adjacent to a first end section () of the first seating surface () in the closed position of the closing element ().