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. 20, 2011
Filed:
Jul. 26, 2006
Bernhard Brecht, Weinstrasse, DE;
Ralf Graber, Frankenthal, DE;
Uwe Bruhns, Osthofen, DE;
Harald Hartmann, Kindenheim, DE;
Bernhard Brecht, Weinstrasse, DE;
Ralf Graber, Frankenthal, DE;
Uwe Bruhns, Osthofen, DE;
Harald Hartmann, Kindenheim, DE;
KSB Aktiengesellschaft, Frankenthal, DE;
Abstract
An electric motor () having a coaxially associated pump () for a coolant circuit, in particular in a system with temperature transfer and/or heat transfer, in which a shaft assembly () transmits a torque from the electric motor () to at least one impeller () arranged in the pump housing () within housing parts () in the form of a hermetically sealed pressure enclosure, and a flywheel () is arranged between the electric motor () and the pump housing (). All of the rotating parts are arranged within a hermetically sealed motor/pump unit, and the motor/pump unit is filled with fluid. The flywheel () comprises a flywheel body () made from a high-strength material having a large number of cavities () with inserts () formed of or containing a heavy metal having a density greater than 11.0 kg/dmarranged in the cavities.