Patent · US Active

Suction device and control method

US9073160B2 · kind B2 · utility

25Cited by

2References

5Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Hans Appel · Penzberg, DE
Egon Koenigbauer · Eichenau, DE

Key dates

Filing date	Nov 28, 2012
Grant date	Jul 7, 2015
Priority date	—
Expiry date	May 1, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/44
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A suction device with a hand-held power drill is disclosed. The suction device has a housing and a locking mechanism for fastening the housing to a housing of the hand-held power drill. The suction device furthermore has a fan motor and a controller for the fan motor. The controller contains a sensor for detecting the operating state of an electric motor of the hand-held power tool. The controller is configured to activate the fan motor when the electric motor is in a rotating state of operation.

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