IP Library › Assignment 026064/0668
Patent Assignment
Reel/Frame 026064/0668

Change of Name

Recorded: 2011-03-31 Pages: 6
Assignor
SWITCHED RELUCTANCE DRIVES LIMITED
Executed: 2011-02-08
Assignee
NIDEC SR DRIVES LTD.
EAST PARK HOUSE, OTLEY ROAD, HARROGATE, NORTH YORKSHIRE, HG3 1PR, UNITED KINGDOM
Covered Properties (116)
Control of Switched Reluctance Machines
Patent: 5,469,039 →
Application: 07/950,599 →
Sensorless Rotor Position Measurement in Electric Machines
Patent: 5,467,025 →
Application: 08/070,190 →
Regenerative Ac to Dc Convertor
Patent: 5,449,993 →
Application: 08/255,698 →
Rotor Position Encoder Having Features in Decodable Angular Positions
Patent: 5,539,293 →
Application: 08/255,700 →
Control of an Inductive Load
Patent: 5,530,333 →
Application: 08/274,548 →
Control Circuit for an Inductive Load
Patent: 5,563,487 →
Application: 08/426,158 →
Single-Phase Variable Reluctance Motor Having Permanent Magnets Embedded Within a Phase Winding
Patent: 5,650,682 →
Application: 08/472,508 →
Compensation for Input Voltage Variation in an Electric Motor Drive
Patent: 5,724,477 →
Application: 08/472,957 →
Sensing Phase Current in Switched Reluctance Machines
Patent: 5,627,445 →
Application: 08/472,958 →
Angle Controller for a Switched Reluctance Drive Utilizing a High Frequency Clock
Patent: 5,652,494 →
Application: 08/473,250 →
Method and Apparatus for Reducing Voltage Stresses in Electric Machine
Patent: 5,949,170 →
Application: 08/473,290 →
Rotor for High Speed Switched Reluctance Machine
Patent: 5,726,516 →
Application: 08/477,902 →
Switched Reluctance Motors
Patent: 5,548,173 →
Application: 08/479,793 →
Position Encoder
Patent: 5,650,779 →
Application: 08/480,860 →
Switched Reluctance Machine
Patent: 5,654,601 →
Application: 08/482,967 →
Pulsed Temperature Monitoring Circuit and Method
Patent: 5,674,008 →
Application: 08/484,711 →
Apparatus and Method for Starting a Single-Phase Variable Reluctance Motor
Patent: 5,753,984 →
Application: 08/485,364 →
Control of Switched Reluctance Machines
Patent: 5,545,964 →
Application: 08/486,320 →
Angle Firing Controller and Method of Controlling a Switched Reluctance Machine
Patent: 5,789,893 →
Application: 08/486,937 →
Control of Switched Reluctance Machines
Patent: 5,563,488 →
Application: 08/486,939 →
Method and Apparatus for Increasing the Starting Torque of a Two-Phase Switched Reluctance Motor
Patent: 5,747,962 →
Application: 08/486,940 →
Electric Machine Controller
Patent: 5,736,828 →
Application: 08/499,895 →
Power Supply to a Stator of a Polyphase Reluctance Machine
Patent: 5,703,457 →
Application: 08/501,643 →
Switched Reluctance Generators
Patent: 5,705,918 →
Application: 08/511,352 →
Rotor Position Encoder Having Features in Decodeable Angular Positions
Patent: 5,637,972 →
Application: 08/587,305 →
Switching Circuit for an Inductive Load
Patent: 5,847,532 →
Application: 08/673,805 →
Rotor for Reluctance Machine
Patent: 5,739,615 →
Application: 08/681,216 →
Control of a Switched Reluctance Machine
Patent: 5,894,210 →
Application: 08/684,256 →
Apparatus and Method for Starting a Single-Phase Variable Reluctance Motor
Patent: 5,808,389 →
Application: 08/697,926 →
Reduced Noise Controller for a Switched Reluctance Machine
Patent: 5,814,965 →
Application: 08/706,554 →
Digital Power Factor Correction Circuit
Patent: 5,801,935 →
Application: 08/708,804 →
Reduced Noise Controller for a Switched Reluctance Machine Using Active Noise Cancellation
Patent: 5,811,954 →
Application: 08/709,474 →
Current Control Circuit for a Reluctance Machine
Patent: 6,181,092 →
Application: 08/734,241 →
Phase Energization Controller and Method for Controlling Switched Reluctance Machines Using Simple Angular Position Sensors with Improved Angle Interpolation
Patent: 5,739,663 →
Application: 08/744,614 →
Method and Apparatus for Reducing Iron Losses in a Switched Reluctance Machine
Patent: 5,760,565 →
Application: 08/753,983 →
Method and Apparatus for Powering an Electrical Circuit Using an Isolated Winding
Patent: 5,905,366 →
Application: 08/756,306 →
Rotor for a Reluctance Machine
Patent: 5,828,153 →
Application: 08/762,562 →
Sensorless Rotor Position Monitoring in Reluctance Machines
Patent: 5,793,179 →
Application: 08/772,029 →
Dual Mode Position Control System with Speed Profiling
Patent: 5,804,941 →
Application: 08/788,936 →
Rotor for a Reluctance Machine, and Method of Making
Patent: 5,893,205 →
Application: 08/790,378 →
Stator for an Electrical Machine Including Retainer for Stator Coils
Patent: 5,866,966 →
Application: 08/814,413 →
Electrical Machine Drive System Including an Optical Position Transducer Circuit and Method of Operating
Patent: 5,821,648 →
Application: 08/814,660 →
Analog to Digital Converter Using Up/Down Counter and Digital Feedback
Patent: 5,883,590 →
Application: 08/833,081 →
Current Shaping in Reluctance Machines
Patent: 5,923,141 →
Application: 08/833,709 →
Weaving Apparatus Including Switched Reluctance Drive
Patent: 5,857,496 →
Application: 08/844,133 →
Converter Circuit for a Polyphase Switched Inductive Load
Patent: 5,864,477 →
Application: 08/844,451 →
Demodulator for a Pulse Width Modulated Signal and Method
Patent: 5,905,406 →
Application: 08/845,965 →
Output Smoothing in a Swithced Reluctance Machine
Patent: 5,852,355 →
Application: 08/862,671 →
Single Sensor Position Encoder Providing Two Levels of Resolution
Patent: 6,100,823 →
Application: 08/873,272 →
Matrix Interpolation
Patent: 5,892,348 →
Application: 08/882,860 →
Current Transducer and Current-Monitoring Method
Patent: 6,064,191 →
Application: 08/904,003 →
Stator for Electric Machine and Lamination Thereof
Patent: 5,760,519 →
Application: 08/923,833 →
Electric Machine
Patent: 5,894,211 →
Application: 08/970,516 →
Current Limiter
Patent: 5,995,392 →
Application: 08/986,053 →
Hysteresis Current Controller for a Reluctance Machine
Patent: 5,998,945 →
Application: 08/986,154 →
Method and Apparatus for Reducing Voltage Stresses in Electric Machines
Patent: 6,081,080 →
Application: 08/999,785 →
Control of an Inductive Load
Patent: 6,002,222 →
Application: 09/012,290 →
Power Supply Circuit for a Control Circuit
Patent: 5,982,649 →
Application: 09/021,344 →
On-Off Controller
Patent: 5,926,011 →
Application: 09/089,685 →
Variable Reluctance Motor Systems
Patent: 6,005,321 →
Application: 09/091,552 →
Switching Circuit for a Reluctance Machine
Patent: 6,087,799 →
Application: 09/100,280 →
Exercise Apparatus and Method
Patent: 6,066,074 →
Application: 09/114,863 →
Starting of Single-Phase Motors
Patent: 6,091,170 →
Application: 09/118,541 →
Commutation Controller
Patent: 6,008,615 →
Application: 09/210,310 →
Noise Reduction in Reluctance Machines
Patent: 6,072,260 →
Application: 09/232,981 →
Set of Laminations for a Switched Reluctance Machine
Patent: 6,093,993 →
Application: 09/311,676 →
Operation of Switched Reluctance Machines
Patent: 6,150,791 →
Application: 09/316,159 →
Cleaning Apparatus and Method with Soft-Starting
Patent: 6,313,597 →
Application: 09/339,095 →
Switched Reluctance Drive with High Power Factor
Patent: 6,201,368 →
Application: 09/385,772 →
Control of Switched Reluctance Machines
Patent: 6,291,949 →
Application: 09/467,600 →
Rotor Position Detection in Switched Reluctance Machines
Patent: 6,288,513 →
Application: 09/480,029 →
Control of switched reluctance machines
Patent: 6,351,094 →
Application: 09/503,411 →
Operation of a Switched Reluctance Machine from Dual Supply Voltages
Patent: 6,495,985 →
Application: 09/533,769 →
Control of line harmonics
Patent: 6,297,613 →
Application: 09/570,861 →
Winding for Switched Reluctance Machines
Patent: 6,476,531 →
Application: 09/610,804 →
Rotor Position Monitoring of a Reluctance Drive
Patent: 6,586,903 →
Application: 09/734,427 →
Publication: US 2001/0010452
Brushless Machine Control
Patent: 6,441,580 →
Application: 09/738,468 →
Publication: US 2001/0004196
Position Detection of Switched Reluctance Machines
Patent: 6,396,237 →
Application: 09/817,992 →
Publication: US 2001/0026139
Apparatus and Method for Winding Electrical Coils
Patent: 6,536,701 →
Application: 09/824,952 →
Publication: US 2001/0025897
Apparatus and Method for Controlling an Electric Machine
Patent: 6,498,447 →
Application: 09/930,926 →
Publication: US 2002/0041168
Operation of Switched Reluctance Drive Systems from Dual Voltage Sources
Patent: 6,628,105 →
Application: 09/990,136 →
Current Chopping in Switched Reluctance Drive Systems
Patent: 6,639,378 →
Application: 09/992,866 →
Publication: US 2002/0063547
Method and System for Determining Rotor Postion in a Switched Reluctance Machine
Patent: 6,608,462 →
Application: 10/042,530 →
Publication: US 2002/0089301
Compensation for Variable Voltage
Patent: 6,586,904 →
Application: 10/093,168 →
Publication: US 2002/0125852
Cooling of Electrical Machines
Patent: 6,809,441 →
Application: 10/137,811 →
Publication: US 2002/0167232
Synchronization of Machine and Load Characteristics
Patent: 6,936,992 →
Application: 10/146,081 →
Publication: US 2002/0175653
Excitation of switched reluctance motors
Application: 10/154,038 →
Publication: US 2002/0185990
Control Strategy for Switched Reluctance Drive Systems
Patent: 6,759,826 →
Application: 10/163,945 →
Publication: US 2002/0190684
Rotor Position Detection of a Switched Reluctance Drive
Patent: 6,853,163 →
Application: 10/317,923 →
Publication: US 2003/0111975
Control of a Switched Reluctance Drive
Patent: 7,205,694 →
Application: 10/426,276 →
Publication: US 2004/0070301
Starting of Switched Reluctance Generators
Patent: 6,906,490 →
Application: 10/614,973 →
Publication: US 2004/0008003
Circuit for Use with Switched Reluctance Machines
Patent: 7,268,516 →
Application: 10/656,821 →
Publication: US 2004/0052125
Electro-Mechanical Transmission Systems
Patent: 7,014,586 →
Application: 10/691,828 →
Publication: US 2004/0082419
Variable Reluctance Generator
Patent: 7,151,359 →
Application: 10/765,506 →
Publication: US 2004/0178774
Rotor Position Determination in a Switched Reluctance Machine
Patent: 6,979,974 →
Application: 10/830,957 →
Publication: US 2004/0212359
Controller for a Power Train
Patent: 7,091,627 →
Application: 10/836,874 →
Publication: US 2004/0222639
Excitation of Switched Reluctance Motors
Patent: 7,208,906 →
Application: 10/837,140 →
Publication: US 2004/0222765
Rotor Position Detection of a Switched Reluctance Drive
Patent: 6,989,668 →
Application: 10/861,619 →
Publication: US 2004/0245983
Operation of an Electrical Machine
Patent: 7,057,362 →
Application: 10/977,027 →
Publication: US 2005/0099152
Rotor Position Detection of an Electrical Machine
Patent: 7,288,915 →
Application: 11/024,520 →
Publication: US 2005/0151501
Rotor Position Detection in an Electrical Machine
Patent: 7,370,508 →
Application: 11/159,932 →
Publication: US 2006/0005605
Rotor Position Detection in an Electrical Machine
Patent: 7,640,128 →
Application: 11/159,943 →
Publication: US 2006/0009936
Rotor Position Detection in an Electrical Machine
Patent: 7,233,873 →
Application: 11/186,553 →
Publication: US 2006/0036384
Rotor Position Detection in an Electrical Machine
Patent: 7,174,262 →
Application: 11/186,671 →
Publication: US 2006/0036385
Operation of an Electrical Machine
Patent: 7,176,650 →
Application: 11/256,919 →
Publication: US 2006/0091846
Rotor Position Detection in an Electrical Machine
Patent: 7,388,345 →
Application: 11/522,103 →
Publication: US 2007/0075672
Rotor for a Switched Reluctance Machine
Patent: 7,560,845 →
Application: 11/532,938 →
Publication: US 2007/0063608
Operating Electrical Machines from a Dc Link
Patent: 7,737,646 →
Application: 11/900,876 →
Publication: US 2008/0074063
Control of a Switched Reluctance Machine
Patent: 7,906,931 →
Application: 11/998,131 →
Publication: US 2008/0129244
Operation of an Electrical Drive System
Patent: 8,049,528 →
Application: 12/004,775 →
Publication: US 2008/0150464
Control of an Electrical Machine
Patent: 7,804,269 →
Application: 12/070,308 →
Publication: US 2008/0197793
Control of a Brushless Electrical Machine
Patent: 7,880,415 →
Application: 12/082,364 →
Publication: US 2008/0272721
Deriving Values of Parameters in Electrical Machines
Patent: 8,121,819 →
Application: 12/270,318 →
Publication: US 2009/0134831
Slot Wedges for Electrical Machines
Patent: 8,125,113 →
Application: 12/570,776 →
Publication: US 2010/0079028
Electrical Machine with Dual Radial Airgaps
Patent: 8,169,109 →
Application: 12/722,044 →
Publication: US 2010/0231062
Operating Electrical Machines from a Dc Link
Patent: 7,888,896 →
Application: 12/769,264 →
Publication: US 2010/0211231
Related Assignments (21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 16, 1992
From: STEPHENSON, JOHN MICHAEL; RAY, WILLIAM FREDERICK
To: SWITCHED RELUCTANCE DRIVES LTD.
Reel/Frame 006358/0690 →
Assignment of Assignor's Interest Jul 12, 1993
From: RAY, WILLIAM FREDERICK
To: SWITCHED RELUCTANCE DRIVES LIMITED
Reel/Frame 006614/0804 →
Assignment of Assignor's Interest Aug 11, 1994
From: RANDALL, STEVEN PAUL; SUDGEN, DAVID MARK; VAIL, WILLIAM; BROWN, GEOFFREY THOMAS
To: SWITCHED RELUCTANCE DRIVES LIMITED
Reel/Frame 007168/0474 →
Assignment of Assignor's Interest Aug 11, 1994
From: DAVIS, REX MOUNTFORD
To: SWITCHED RELUCTANCE DRIVES LIMITED
Reel/Frame 007193/0626 →
Assignment of Assignor's Interest Sep 16, 1994
From: TURNER, MICHAEL JAMES
To: SWITCHED RELUCTANCE DRIVES LIMITED
Reel/Frame 007198/0435 →
Assignment of Assignor's Interest Jun 7, 1995
From: WATKINS, STEPHEN J.
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007531/0741 →
Assignment of Assignor's Interest Jun 7, 1995
From: FULTON, NORMAN NEILSON
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007527/0754 →
Assignment of Assignor's Interest Jun 7, 1995
From: SUGDEN, DAVID MARK
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007527/0930 →
Assignment of Assignor's Interest Jun 7, 1995
From: SUGDEN, DAVID MARK
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007529/0388 →
Assignment of Assignor's Interest Jun 7, 1995
From: BUCHAN, ERNEST J.; FULTON, NORMAN N.
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007530/0330 →
Assignment of Assignor's Interest Jun 7, 1995
From: FULTON, NORMAN NEILSON
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007531/0775 →
Assignment of Assignor's Interest Jun 7, 1995
From: SMART, JAMES CHRISTOPHER RUDD
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007542/0625 →
Assignment of Assignor's Interest Jun 7, 1995
From: ALLINSON DAMIAN PAUL
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007544/0551 →
Assignment of Assignor's Interest Jun 7, 1995
From: RANDALL, STEPHEN P.
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007547/0261 →
Assignment of Assignor's Interest Jun 7, 1995
From: DAVIS, REX M.
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007554/0058 →
Assignment of Assignor's Interest Jun 15, 1995
From: DAVIS, REX MOUNTFORD
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007530/0164 →
Assignment of Assignor's Interest Sep 15, 1995
From: WEBSTER, PAUL DONALD
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007635/0084 →
Assignment of Assignor's Interest Sep 15, 1995
From: WEBSTER, PAUL D.; BROWN, GEOFFREY T.; SUGDEN, DAVID MARK
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007635/0793 →
Assignment of Assignor's Interest Sep 22, 1995
From: TURNER, MICHAEL JAMES; JEWELL, ALAN RICHARD
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007790/0625 →
Assignment of Assignor's Interest Oct 5, 1995
From: DAVIS, REX MOUNTFORD
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 008045/0963 →
Assignment of Assignor's Interest Oct 27, 1995
From: DAVIS, REX M.
To: SWITCHED RELUCTANCE DRIVES, LTD.
Reel/Frame 007741/0901 →