Patent ID: 8206084
Filing Date: 2012-06-26
Classification: F04D

Abstract:
1. A blade wheel made of sheet metal, for use in motor vehicle coolant pumps, having blades that are notched out of a disk and positioned, and bottom disk segments disposed adjacent to them, remaining between the notched-out blades, wherein the blade wheel is formed by at least two blade wheel elements provided with notched-out and positioned blades formed in one piece, thereby provided with complete blades, in each instance, firmly connected with one another, which are disposed offset at a “gap” with their bottom disk segments, in each instance, and thereby together form a bottom disk, whereby in one of the at least two blade wheel elements, the hub disk, a hub sleeve is disposed centrally, and in the other(s) of these blade wheel elements, the bore disk(s), a hub sleeve accommodation bore, set onto the outer mantle of the hub sleeve, is also disposed centrally.