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:
Jul. 15, 2003

Filed:

May. 06, 2002
Applicant:
Inventors:

Manfred Becker, Ober-Ramstadt, DE;

Bernd Gerner, Wald-Michelbach, DE;

Hendrik Hovy, Mühltal, DE;

Erwin Sowa, Alsbach, DE;

Matthias Reck, Ober-Ramstadt, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/18 ;
U.S. Cl.
CPC ...
F04C 2/18 ;
Abstract

A feedpump for discharging a string of a viscous medium containing solid particles. The feedpump includes a casing and two gearwheels drivable to execute an oppositely directed rotation and arranged in the casing so as in each case to form and maintain gaps relative to both walls of the casing and to one another. The gaps have a size adapted to the size of the particles in the viscous medium.


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