H02P 1/38

Sub-Class

Watch

Stats

Description

Class  H02P : CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS


Subclass 1/38: Arrangements for starting electric motors or dynamo-electric converters (starting of synchronous motors with electronic commutators H02P 6/2, H02P 6/22; starting dynamo-electric motors rotating step by step H02P 8/04; vector control H02P 21/00) for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by pole-changing

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10340776 Acceleration method for V/F controlled induction motor in flux-weakening regionAug 25, 15Jul 02, 19EATON INTELLIGENT POWER LIMITED; ZHEJIANG UNIVERSITY;
8294409 Control of pole-change induction motorsAug 18, 10Oct 23, 12HAMILTON SUNDSTRAND CORPORATION
7952316 Variable frequency reduced speed variation electric driveOct 05, 07May 31, 11HONEYWELL INTERNATIONAL INC.
6008616 Pole change induction motor and control apparatus and method for the sameDec 12, 95Dec 28, 99Kabushiki Kaisha Meidensha
5880571 Method of and system for controlling a variable speed induction motorSep 11, 97Mar 09, 99Sundstrand Corporation

more results

Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2001/0011,879 Multi-speed motor controlMar 09, 01Aug 09, 01Not available

more results

Top Owners in This Subclass

Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More

Patents Issued To Date - By Filing Year

Average Time to Issuance