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:
Oct. 17, 2017

Filed:

Nov. 15, 2012
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Rainer Wilms, Markgroeningen, DE;

Matthias Maess, Boeblingen, DE;

Dominik Brunner, Wiernsheim, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F02M 59/36 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0689 (2013.01); F02M 59/367 (2013.01); F02M 2200/28 (2013.01); F02M 2200/304 (2013.01); Y10T 137/85986 (2015.04);
Abstract

A quantity control valve comprises a valve needle configured to move in an axial direction, a damping chamber having a wall, and a valve element delimiting the damping chamber. The valve needle is configured to move the valve element in an opening direction. A gap is defined between the wall of the damping chamber and the valve element. The gap has at least one recess and connects the damping chamber to a flow duct.


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