U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electric motor of the electronic commutation type for applications with a feeder line

Patent 6313557 Issued on November 6, 2001. Estimated Expiration Date: Icon_subject April 6, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3749956

3809938

Rotating electric machine
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Issued on: 07/21/1981
Inventor: Gotou ,   et al.

Lanced strip and edgewise wound core
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Issued on: 03/28/1989
Inventor: Fritzsche

Rotating electric machine with bevelled armature poles
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Issued on: 06/15/1993
Inventor: Sibata

Rotator element for electric motor
Patent #: 5258678
Issued on: 11/02/1993
Inventor: Futami

D.C. Motor with primary and auxiliary magnetic poles
Patent #: 5723929
Issued on: 03/03/1998
Inventor: Niimi

Brushless motor stator design
Patent #: 5744893
Issued on: 04/28/1998
Inventor: Zhao, et al.

Electric motor with plural rotor portions having pole members of different widths
Patent #: 5886440
Issued on: 03/23/1999
Inventor: Hasebe, et al.

Method for trimming the stator of a motor
Patent #: 5977680
Issued on: 11/02/1999
Inventor: Lin

More ...

Inventors

Assignee

Application

No. 462528 filed on 04/06/2000

US Classes:

310/216, Core features310/259Core assembly

Examiners

Primary: Ramirez, Nestor
Assistant: Le, Dang

Attorney, Agent or Firm

Foreign Patent References

  • 42 34 017 A DE. 04/13/1993
  • 0 841 738 A EP. 05/13/1998

International Classes

H02K 001/00
H02K 001/12

Foreign Application Priority Data

1998-05-28 IT

Abstract

An electronic motor (1) of the electronic commutation type provided with a rotor (5) presenting a centre of rotation (C0) and a number of radial teeth (16) located along respective radial directrixes (K) passing through the centre of rotation (C0) and radially limited by a surface (35) presenting a bending centre (C1) located at any point along a radial directrixx (K) with the exception of a part (T1) included between said centre of rotation (C0) and the surface (35) itself excluding the centre of rotation (C0) and the internal surface (35).

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