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. 29, 2015
Filed:
May. 24, 2012
Applicant:
Frank Gottwald, Weissach, DE;
Inventor:
Frank Gottwald, Weissach, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1433 (2013.01); F01N 2610/1486 (2013.01); F01N 2610/1493 (2013.01); Y02T 10/24 (2013.01); Y10T 137/86027 (2015.04);
Abstract
The invention relates to a device for injecting a fluid (), in particular into the exhaust-gas section of an internal combustion engine, having a reservoir () for storing the fluid () to be injected; an injection and metering module (); a pump () which is configured for conveying fluid () during operation out of the reservoir () to the injection and metering module (); and a return line () which makes an outflow of fluid () out of the injection and metering module () possible, wherein a switchable throttling valve () which is suitable for pumping fluid out of the injection and metering module () is arranged in the return line ().