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:
Jun. 29, 2004
Filed:
Nov. 07, 2002
TCG Unitech Aktiengesellschaft, Kirchdorf/Krems, AT;
Abstract
A radial-flow pump ( ), and especially a coolant pump for an internal combustion engine, comprising an impeller ( ) provided with vanes ( ) and a directing device ( ) including at least one temperature- and/or speed-sensitive element for temperature-dependent control of the coolant flow, where at least one impeller vane ( ) and/or the directing device ( ) is configured as a speed-sensitive element. In order to increase efficiency, the proposal is put forward that the impeller vanes ( ) should be elastically deformable by Coriolis forces of the coolant flow, the discharge angles (&agr;), which are preferably defined between impeller vanes ( ) and impeller tangential planes (&egr;), decreasing with an increase in speed.