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:
Mar. 10, 1998
Filed:
Jun. 24, 1996
Applicant:
Inventors:
Burkhard Bustgens, Karlsruhe, DE;
Gerhard Stern, Pfinztal, DE;
Wolfgang Keller, Hambrucken, DE;
Dieter Seidel, Eggenstein-Leopoldshafen, DE;
Dieter Maas, Oftersheim, DE;
Assignee:
Forschungszentrum Karlsruhe GmbH, Karlsruhe, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4174131 ; 417412 ; 417207 ; 437212 ; 437216 ;
Abstract
In a micromembrane pump with pump housing top and bottom parts and a membrane structure disposed between the housing top and bottom parts such that pump chambers, valves, flow channels and a cavity system are formed between the membrane structure and the housing parts, heating means are disposed on the membrane structure in the area of the pump housing for operating said pump and the cavity system is filled with a cement for joining the membrane and the housing parts.