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Title: US7157875: Method and system for fail-safe motor operation
[ Derwent Title ]

Country: US United States of America

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18 pages

 
Inventor: Kamen, Dean; Bedford, NH, United States of America
Morrell, John B.; Bedford, NH, United States of America
Robinson, David W.; Manchester, NH, United States of America
Reich, Ronald K.; Merrimack, NH, United States of America
Heinzmann, John David; Manchester, NH, United States of America
LeMay, Philip; Bedford, NH, United States of America
Meyer, Steven R.; North Reading, MA, United States of America
Sachs, Jason M.; Goffstown, NH, United States of America
Field, J. Douglas; Bedford, NH, United States of America

Assignee: DEKA Products Limited Partnership, Manchester, NH, United States of America
other patents from DEKA PRODUCTS LIMITED PARTNERSHIP (682759) (approx. 104)
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Published / Filed: 2007-01-02 / 2005-11-14

Application Number: US2005000273581
IPC Code: Advanced: A63C 17/12; B62K 3/00; G05B 9/03;

ECLA Code: L60K7/00;

U.S. Class: 318/434; 310/112; 318/564;

Field of Search: 318/434,563-565 388/903 361/023-34 310/101,112

Priority Number:
2005-11-14  US2005000273581
2002-12-02  US2002000307892
2000-10-13  US2000000687789

Abstract:     An electric device includes a motor and a motor drive for commanding a torque generated by the motor. A fault control circuit detects a fault condition associated with the motor drive. Upon detection of the fault condition, the fault control circuit adjusts the torque commanded by the motor drive.

Attorney, Agent or Firm: Bromberg & Sunstein LLP ;

Primary / Asst. Examiners: Ro, Bentsu;

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US2002000307892 2002-12-02    2005-11-15  Method and system for fail-safe motor operation
US2000000687789 2000-10-13    2003-06-24  Steering control of a personal transporter


       
Parent Case: CROSS REFERENCE TO RELATED APPLICATIONS
    The present application is a divisional application of U.S. application Ser. No. 10/307,892, filed Dec. 2, 2002, now U.S. Pat. No. 6,965,206, which in turn is a continuation-in-part of U.S. application Ser. No. 09/687,789, filed Oct. 13, 2000, now issued as U.S. Pat. No. 6,581,714. Each of the above-described applications is hereby incorporated by reference.

Family: Show 306 known family members
First Claim:
Show all 11 claims		     1. An electric device comprising:

a motor having a first winding set and a second winding set, the first winding set and the second winding set being redundant; and

a fault control circuit for decoupling one of the first winding set and the second winding set from all circuitry, including from each other, based at least on a fault condition.

Background / Summary: Show background / summary

Drawing Descriptions: Show drawing descriptions

Description: Show description

Forward References: Show 3 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (3)   |   Backward references (115)   |   Citation Link

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  * some details unavailable
       
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    • Continuity Data:
    Application Number Filed Notes
    US2005000273581 2005-11-14  is a related to the prior publication
         US20060125433A1 issued 2006-06-15  Method and system for fail-safe motor operation
    >US2005000273581< 2005-11-14  is a division of
    US2002000307892  2002-12-02   (granted)
         US6965206 issued 2005-11-15   Method and system for fail-safe motor operation
    11273581   is a division of
    US2002000307892  2002-12-02
         US6965206 issued 2005-11-15   Method and system for fail-safe motor operation
    US2002000307892 2002-12-02  is a continuation in part of
    US2000000687789  2000-10-13   (granted)
         US6581714 issued 2003-06-24   Steering control of a personal transporter
    US2002000307892   is a continuation in part of
    US2000000687789  2000-10-13
         US6581714 issued 2003-06-24   Steering control of a personal transporter


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