Electrical, fan-cooled tool

Details Electrical, fan-cooled tool Electrical, fan-cooled tool

2005-03-15

2005-03-15

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Impacting devices

Hammer head driven by electric motor

C173S217000, C173S122000

Reexamination Certificate

active

06866105

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).

REFERENCES:
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patent: 5052497 (1991-10-01), Houben et al.
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patent: 5763969 (1998-06-01), Metheny et al.
patent: 6123158 (2000-09-01), Steffen
patent: 6127751 (2000-10-01), Kristen et al.
patent: 6325157 (2001-12-01), Arakawa et al.
patent: 6543549 (2003-04-01), Riedl et al.
patent: 6758288 (2004-07-01), Richter et al.

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