Patent · US Active

Refrigerant compressor with impeller having slotted shroud

US12276286B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

DANFOSS A/S · DK

Inventors

Tianli Zhang · Ann Arbor, US
Jin Yan · Calabasas, US
Jose Manuel Urcia · Land O' Lakes, US

Key dates

Filing date	Apr 12, 2022
Grant date	Apr 15, 2025
Priority date	—
Expiry date	Apr 12, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2250/191
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In some aspects, the techniques described herein relate to a refrigerant compressor, including: a shrouded impeller including a passageway permitting refrigerant to flow from a location radially outside a shroud of the shrouded impeller to a location radially inside the shroud.

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