Patent · US Active

Impeller for a fluid energy machine

US9951787B2 · kind B2 · utility

6Cited by

7References

9Claims

0Family size

Assignee

IHI Charging Systems International GmbH · DE

Inventors

Roberto DE SANTIS · Pocking, DE
Daniel Just · Kronau, DE

Key dates

Filing date	Jan 1, 2015
Grant date	Apr 24, 2018
Priority date	—
Expiry date	Mar 21, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2250/90
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In an impeller for a fluid energy machine with a hub and a plurality of rotor blades which are mounted on the hub and around which a medium may flow through the fluid energy machine and which form a blade duct between two neighboring rotor blades with a blade duct length which extends in the axial direction of the impeller, wherein each rotor blade is connected to the hub via a first transition region with a first curvature and via a second transition region with a second curvature and with a straight conical blade duct bottom of the blade duct formed between the first transition region and the second transition region.

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