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Title: US5967763: Positioning devices for a sensor element of a miniature fan
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Country: US United States of America

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6 pages

 
Inventor: Horng, Ching-Shen; Kaohsiung, Taiwan

Assignee: None

Published / Filed: 1999-10-19 / 1997-10-21

Application Number: US1997000954822

IPC Code: Advanced: F04D 25/08; F04D 29/64; H02K 29/06;
Core: F04D 25/02; F04D 29/60; more...
IPC-7: F04B 17/04;

ECLA Code: F04D25/08; F04D29/64C2; H02K29/06;

U.S. Class: Current: 417/423.7; 310/068.R;
Original: 417/423.7; 310/068.R;

Field of Search: 417/423.7

Priority Number:
1997-10-21  US1997000954822
1997-10-31  DE1997029719357U

Abstract: A positioning device for a miniature fan includes a coil seat including a number of annularly spaced poles each having a radially extending stem and a circumferential arcuate section. Each stem has a winding wound therearound, and each arcuate section has a first end edge and a second end edge. A circuit board is securely connected to the coil seat and includes a sensor element mounted thereon. The sensor element is located on a vertical line extending from one of the first end edge and the second end edge of one of the poles.

Attorney, Agent or Firm: Bacon & Thomas, PLLC ;

Primary / Asst. Examiners: Thorpe, Timothy S.; Gartenberg, Ehud

Maintenance Status: E2 Expired  Check current status
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Family: Show 2 known family members

First Claim:
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What is claimed is:     1. A positioning device for a miniature fan, comprising:
  • a coil seat including a plurality of annularly spaced poles, each pole having a radially extending stem and terminating with a circumferential arcuate section, each stem having a winding wound therearound, each arcuate section having a first end edge and a second end edge;
  • a circuit board securely connected to the coil seat; and,
  • a sensor element mounted on the circuit board, the sensor element being located on a vertical line extending from one of the first end edge and the second end edge of one of the poles so that the sensor element is aligned with the one of the first end edge and the second end edge.


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Forward References: Show 9 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (9)   |   Backward references (6)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 9pp US5010263  1991-04 Murata  Mitsubishi Denki Kabushiki Kaisha Hall effect type sensing device
Get PDF - 5pp US5093599  1992-03 Horng   Non-brush D.C. motor with new improved stator
Get PDF - 5pp US5097170  1992-03 Baines  Johnson Electric S.A. Brushless D.C. electric motor
Get PDF - 8pp US5245236  1993-09 Horng   Industrial heat dissipating electric fan
Get PDF - 7pp US5510726  1996-04 Brady  R. E. Phelon Co., Inc. Armature tester
Get PDF - 10pp US5831359  1998-11 Jeske  Papst Motoren GmbH & Co. KG Electronically commutated motor with external rotor
       
Foreign References: None

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