HAROLD W CURTIS
Engineering in Stoughton, MA
License number
Massachusetts 9951
Issued Date
Aug 4, 1959
Expiration Date
Jun 30, 2008
Type
Mechanical Engineer
Address
Address
Stoughton, MA 02072
Professional information
Quieting Circuits For Permanent Magnet Synchronous Motors
US Patent:
4678978, Jul 7, 1987
Filed:
Jul 12, 1985
Appl. No.:
6/754334
Inventors:
Harold W. Curtis - Stoughton MA
Assignee:
Brookfield Engineering Laboratories, Inc. - Stoughton MA
International Classification:
H02K 1902
US Classification:
318690
Abstract:
Quieting circuits for synchronous electric motors bypass their phase shifting coils with a minor percentage of the total motor watts input.