Patent · US Active

Power machine tool having an electronically commutated drive motor

US10404144B2 · kind B2 · utility

0Cited by

4References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Patrick Budaker · Schorndorf, DE
Joachim Heizmann · Immendingen, DE
Albrecht Boehringer · Stuttgart, DE

Key dates

Filing date	Jul 8, 2016
Grant date	Sep 3, 2019
Priority date	—
Expiry date	Mar 29, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH02K2203/03
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a power machine tool which has an electronically commutated drive motor that has a motor shaft and to which a stator core is assigned that s provided at least sectionally with an insulating body at one axial end, with a printed circuit board being disposed in the area of the insulating body and being provided with at least one rotational-direction sensor and at least one temperature sensor as well as a contact element for the electrical contacting of the at least one rotational-direction sensor and the at least one temperature sensor, the printed circuit board is aligned at least sectionally parallel to the motor shaft, and is disposed on the insulating body in such a way that the at least one rotational-direction sensor faces the motor shaft.

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