Patent · US Active

Apparatus for kinetic energy storage having a flywheel with pump-active surfaces

US9887604B2 · kind B2 · utility

4Cited by

6References

5Claims

0Family size

Assignee

PFEIFFER VACUUM · FR

Inventors

Wolfgang Bremer · Ettlingen, DE
Armin Conrad · Herborn, DE

Key dates

Filing date	Oct 30, 2013
Grant date	Feb 6, 2018
Priority date	—
Expiry date	Feb 1, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An apparatus for kinetic energy storage includes an electrical machine operable at least in one of motor mode and generator mode, and at least one energy recovery system for an intermediate storage of a produced kinetic energy and which converts the kinetic energy into an electrical energy, with, the at least one energy recovery system having at least one flywheel body formed as a rotor, and a stator and with at least one of the rotor and the stator being formed as at least one vacuum pump stage.

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