Patent · US Active

Hand-held machine tool having an electronically commutated electric motor as direct drive

US10189140B2 · kind B2 · utility

3Cited by

3References

19Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Cornelius Boeck · Tauberbischofsheim, DE
Daniel Barth · Echterdingen, DE
Florian Esenwein · Echterdingen, DE
Manfred Lutz · Schweinfurt, DE
Joachim Schadow · Stuttgart, DE
Joerg Maute · Sindelfingen, DE
Joern Stock · Echterdingen, DE

Key dates

Filing date	Apr 14, 2015
Grant date	Jan 29, 2019
Priority date	—
Expiry date	Jun 15, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25F5/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand-held machine tool has an electric-motor drive and a machining tool. The electric-motor drive has an electronically commutated electric motor, and the electric-motor drive is provided to drive the machining tool. The electronically commutated electric motor has an outer diameter, and a ratio of the outer diameter of the electronically commutated electric motor to a diameter of the machining tool is a maximum of 0.42.

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