Patent · US Active

Controller of an electric motor

US9735727B2 · kind B2 · utility

1Cited by

0References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Michael Rummel · Achern, DE
Marcellus Weber · Achern, DE
Michael Forscht · Appenweier, DE

Key dates

Filing date	May 7, 2014
Grant date	Aug 15, 2017
Priority date	—
Expiry date	May 7, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH02P31/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A controller for an electric motor includes a protective circuit for limiting current or for polarity reversal protection, the protective circuit including a field effect transistor having a gate. The protective circuit further includes a control unit for providing a control voltage for the gate, a smoothing capacitor for charge storage being provided at the gate.

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