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:
Feb. 16, 2016
Filed:
Dec. 30, 2011
Rainer Haeberer, Bretten, DE;
Rainer Haeberer, Bretten, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Diaphragm pump for delivering a fluid, in particular an exhaust-gas aftertreatment medium, such as an aqueous urea solution for example, comprising a working chamber () which is delimited by a working diaphragm () and which can be connected via a first valve () to an inlet () and via a second valve () to an outlet (), and an electromagnet () which comprises a coil assembly () and an armature () which interacts with the coil assembly () and is operatively connected to the working diaphragm (). According to the invention, the valves () are configured in a valve plate () which is arranged between the coil assembly () and the armature (). Exhaust-gas aftertreatment system having a diaphragm pump of this type.