Patent · US Expired

Electrical, fan-cooled tool

US6866105B2 · kind B2 · utility

66Cited by

10References

7Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Hans-Jürgen Pfisterer · Osnabrück, DE
Holger Cecchin · Puchheim, DE
Walter Wissmach · Munich, DE
Christoph Kink · Stadtbergen, DE
Ferdinand Kristen · Germering, DE
Rudolf Bauer · Hallerndorf, DE
Erwin Manschitz · Germering, DE

Key dates

Filing date	Sep 11, 2003
Grant date	Mar 15, 2005
Priority date	—
Expiry date	Sep 11, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH02K11/028
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrical tool includes a housing having inlet (7) and outlet (8) openings, a brushless electric motor (2) and an inverted rectifier (3) both arranged in the housing (9) between inlet (7) and outlet (8) openings in an air stream (5) of an air volume (6), and a link condensator (10) located in the housing (9) in the air stream (5), with the inverted rectifier (3) being arranged, in the air flow direction, downstream of the link condensator (10) and upstream of the electric motor (2).

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