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:
Jan. 17, 2017
Filed:
Sep. 16, 2013
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;
Martin Richter, Munich, DE;
Martin Wackerle, Munich, DE;
Abstract
A pump arrangement includes a microfluidic pump having a pump inlet and a pump outlet. The pump arrangement further includes a safety valve arrangement having first safety valve, the first safety valve being arranged between the pump outlet and an outlet of the pump arrangement and including a first valve seat and a first valve lid. The outlet of the pump arrangement and a first fluid region are formed in a first part of the pump arrangement, wherein the first valve lid is formed in a second integrated part of the pump arrangement, and wherein the first valve seat, the pump outlet and the pump inlet are patterned in a second surface of a third integrated part of the pump arrangement. The first fluid region is adjacent to the first valve lid, wherein a pressure in the first fluid region has a closing effect on the first safety valve.