Method and system for fail-safe motor operation (US6965206)

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US6965206: Method and system for fail-safe motor operation
[ Derwent Title ]

US United States of America

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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

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:

2005-11-15 / 2002-12-02

Application Number:

US2002000307892

Advanced: A63C 17/12; B62K 3/00;
IPC-7: B62D 51/02; G05B 9/03;

318/139; 388/903; 361/023; 180/220;

Field of Search:

318/139,434,490,563 388/903 180/218-220,7.1,65.1,198,443,446 324/500,772 361/023-34

Priority Number:

2002-12-02	US2002000307892
2000-10-13	US2000000687789

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;

INPADOC Legal Status:

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Related Applications:

Go to Result Set: 1 patent(s) that list this one as related

Application Number	Filed	Patent	Pub. Date	Title
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 continuation-in-part of U.S. application Ser. No. 09/687,789, filed Oct. 13, 2000, issued as U.S. Pat. No. 6,581,714 B1, which is hereby incorporated by reference.
	Family:			Show 321 known family members
	First Claim: Show all 21 claims			1. An electric device comprising: a motor; a motor drive for providing, under non-fault operating conditions, one or more desired line-to-line voltages to the motor; and a fault control circuit for detecting a fault condition associated with the motor drive, the fault control circuit adjusting a pulse duty-cycle of a signal applied to a winding of the motor upon detection of the fault condition to substantially preserve at least one of said desired line-to-line voltages.
	Background / Summary:			Show background / summary
	Drawing Descriptions:			Show drawing descriptions
	Description:			Show description
	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 (111) | Citation Link

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* some details unavailable

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Stew's Hovercraft Page, 1996. http://www.stewcam.com/hovercraft.html.

Continuity Data:

Application Number

US2002000307892

is a related to the prior publication

US20030146025A1 issued 2003-08-07 Method and system for fail-safe motor operation

US2002000307892

is a related to the prior publication

US20060125433A1 issued 2006-06-15 Method and system for fail-safe motor operation

US2005000273581

is a division of

>US2002000307892<

US6965206 issued 2005-11-15 Method and system for fail-safe motor operation

is a division of

>US2002000307892<

US6965206 issued 2005-11-15 Method and system for fail-safe motor operation

>US2002000307892<

is a continuation in part of

US2000000687789

(pending) [presumed granted]

US6581714 issued 2003-06-24 Steering control of a personal transporter

>US2002000307892<

is a continuation in part of

US2000000687789

US6581714 issued 2003-06-24 Steering control of a personal transporter

>US2002000307892<

is a continuation in part of

US2000000687789

US6581714 issued 2003-06-24 Steering control of a personal transporter

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