Patent · US Active

Wheel of a fluid flow machine

US11105207B2 · kind B2 · utility

0Cited by

3References

8Claims

0Family size

Assignees

ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE
Rolls-Royce Corporation · US

Inventors

Sven Schrape · Rangsdorf, DE
Bernhard Mück · Berlin, DE
Jens NIPKAU · Potsdam, DE
Thomas GIERSCH · Königs Wusterhausen, DE
Frank HEINICHEN · Berlin, DE
John Dodds · Newbern, US

Key dates

Filing date	Aug 13, 2019
Grant date	Aug 31, 2021
Priority date	—
Expiry date	Jan 23, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2270/101
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A blade wheel of a turbomachine, which blade wheel has a multiplicity of blades which are suitable and provided for extending radially in a flow path of the turbomachine, wherein the blades form a blade entry angle and a blade exit angle. Provision is made whereby the blade wheel forms N blocks of blades, where N≥2, wherein the blades of a block have in each case the same blade entry angle and the same blade exit angle, and the blades of at least two mutually adjacent blocks have a different blade entry angle and/or a different blade exit angle. According to a further aspect of the invention, partial gaps that the blades form in relation to an adjacent flow path boundary are varied in mutually adjacent blocks.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.