US1993825A
(en)
*
|
1931-12-19 |
1935-03-12 |
Bohli Jakob |
Magneto-electric machine
|
NL58578C
(de)
*
|
1938-07-19 |
1900-01-01 |
|
|
US2636399A
(en)
*
|
1950-06-17 |
1953-04-28 |
Houdailie Hershey Corp |
Tuned inertia mass viscous damper
|
US3213306A
(en)
*
|
1960-01-06 |
1965-10-19 |
Gen Electric |
Method of casting rotors
|
US3173514A
(en)
*
|
1961-10-04 |
1965-03-16 |
Univ Kansas State |
Impact vibration damper
|
DE1538923B2
(de)
*
|
1964-10-12 |
1972-10-19 |
Licentia Patent Verwaltungs GmbH, 6000 Frankfurt |
Elektrischer aussenlaeufermotor in tongeraetequalitaet
|
US3320454A
(en)
*
|
1966-02-10 |
1967-05-16 |
Garrett Corp |
Alternating current generator
|
US3428837A
(en)
*
|
1966-04-21 |
1969-02-18 |
Imc Magnetics Corp |
Small angle stepping motor with offset permanent magnet rotor having axially located pole shoes
|
US3417272A
(en)
*
|
1966-06-16 |
1968-12-17 |
Task Corp |
Tensioned rotor construction for dynamoelectric machines
|
US3512612A
(en)
*
|
1967-08-07 |
1970-05-19 |
Caterpillar Tractor Co |
Torsional vibration damper
|
US3456139A
(en)
*
|
1967-12-11 |
1969-07-15 |
Mesur Matic Electronics Corp |
Wobble drum step motor
|
US3508095A
(en)
*
|
1968-04-10 |
1970-04-21 |
Gen Lab Associutes Inc |
Permanent magnet alternator
|
US3586942A
(en)
*
|
1968-08-19 |
1971-06-22 |
James E Mcmahan |
Self commutated motor having a 16-18 ratio of armature poles to rotor poles
|
US3545301A
(en)
*
|
1969-06-02 |
1970-12-08 |
Cincinnati Milacron Inc |
Stepping motor damper
|
US3552230A
(en)
*
|
1970-03-11 |
1971-01-05 |
Houdaille Industries Inc |
Optimumly tuned and efficient viscous dampers
|
US3860843A
(en)
*
|
1970-06-26 |
1975-01-14 |
Matsushita Electric Ind Co Ltd |
Rotating electric machine with reduced cogging
|
US3670593A
(en)
*
|
1970-07-13 |
1972-06-20 |
Simpson Ind Inc |
Series type vibration damper
|
US3790831A
(en)
*
|
1972-06-09 |
1974-02-05 |
Computer Devices |
Apparatus for damping oscillations in a stepping motor
|
US3887826A
(en)
*
|
1973-10-01 |
1975-06-03 |
Ford Motor Co |
Method and means for reducing audible noise in a dynamoelectric machine
|
FR2269744B1
(de)
*
|
1974-05-03 |
1978-09-01 |
Vdo Schindling |
|
AU504982B2
(en)
*
|
1975-06-18 |
1979-11-01 |
Vdo Adolf Schindling Aktiengesellschaft |
Damping device for a stepping motor
|
JPS5840422B2
(ja)
*
|
1975-07-25 |
1983-09-06 |
株式会社日立製作所 |
磁石発電機の回転子
|
US4053801A
(en)
*
|
1975-10-24 |
1977-10-11 |
Allen-Bradley Company |
Armature structure for permanent magnet d-c motor
|
US4200003A
(en)
*
|
1976-03-29 |
1980-04-29 |
Facet Enterprises, Inc. |
Magnetic viscous damper
|
JPS5320515A
(en)
*
|
1976-08-09 |
1978-02-24 |
Hitachi Ltd |
Rotor of permanent magnet synchronous motor
|
US4350232A
(en)
*
|
1977-03-10 |
1982-09-21 |
Pacific Scientific Company |
Mechanical shock arrestor
|
JPS5923179B2
(ja)
*
|
1977-06-24 |
1984-05-31 |
株式会社日立製作所 |
永久磁石電動機の回転子
|
US4403401A
(en)
*
|
1978-09-15 |
1983-09-13 |
General Electric Company |
Method of making a dynamoelectric machine stator having concentric amorphous metal laminations
|
US4336649A
(en)
*
|
1978-12-26 |
1982-06-29 |
The Garrett Corporation |
Method of making rotor assembly having anchor with undulating sides
|
US4332079A
(en)
*
|
1978-12-26 |
1982-06-01 |
The Garrett Corporation |
Method of making rotor rectangularly shaped tongues
|
US4476408A
(en)
*
|
1979-05-23 |
1984-10-09 |
General Electric Company |
High efficiency, low cost permanent magnet AC machine
|
US4324996A
(en)
*
|
1979-07-11 |
1982-04-13 |
Siemens Aktiengesellschaft |
Interior rotor for an electric machine
|
US4434546A
(en)
*
|
1979-09-21 |
1984-03-06 |
General Electric Company |
Method of making a core
|
US4322648A
(en)
*
|
1980-03-03 |
1982-03-30 |
Allen-Bradley Company |
Permanent magnet motor armature
|
US4354126A
(en)
*
|
1980-09-12 |
1982-10-12 |
Westinghouse Electric Corp. |
Dynamoelectric machine with a permanent magnet rotor having laminated poles
|
US4341969A
(en)
*
|
1980-12-01 |
1982-07-27 |
Honeywell Inc. |
Direct current motor with improved pole piece that reduces cogging
|
US4393319A
(en)
*
|
1980-12-08 |
1983-07-12 |
General Motors Corporation |
Electric motor powered actuator
|
US4385250A
(en)
*
|
1981-01-12 |
1983-05-24 |
Compumotor Corporation |
Synchronous motor having gradual edge effect
|
US4424463A
(en)
*
|
1981-05-27 |
1984-01-03 |
Musil J Donald |
Apparatus for minimizing magnetic cogging in an electrical machine
|
US4358697A
(en)
*
|
1981-08-19 |
1982-11-09 |
Siemens-Allis, Inc. |
Two-pole permanent magnet synchronous motor rotor
|
US4407395A
(en)
*
|
1981-09-25 |
1983-10-04 |
Suozzo Leonard S |
Mechanical shock and sway arrestor
|
US4405873A
(en)
*
|
1981-10-26 |
1983-09-20 |
General Electric Company |
Rotor for a line-start permanent-magnet motor
|
GB2123618B
(en)
*
|
1981-12-04 |
1985-10-30 |
Portescap |
Electric stepping motor
|
US4469970A
(en)
*
|
1981-12-24 |
1984-09-04 |
General Electric Company |
Rotor for permanent magnet excited synchronous motor
|
US4472650A
(en)
*
|
1982-02-11 |
1984-09-18 |
Advolotkin Nikolai P |
Rotor of high-speed electric machine
|
CH657727A5
(de)
*
|
1982-09-15 |
1986-09-15 |
Sodeco Compteurs De Geneve |
Rotor fuer synchronmotoren.
|
AT376849B
(de)
*
|
1982-09-15 |
1985-01-10 |
Philips Nv |
Elektromotor
|
JPS59194652A
(ja)
*
|
1983-04-20 |
1984-11-05 |
Fanuc Ltd |
永久磁石同期電動機の回転子
|
US4525925A
(en)
*
|
1983-09-22 |
1985-07-02 |
General Electric Company |
Method of making permanent magnet rotor
|
US4570333A
(en)
*
|
1983-10-28 |
1986-02-18 |
General Electric Company |
Method of making a permanent magnet rotor
|
US4486679A
(en)
*
|
1983-10-28 |
1984-12-04 |
General Electric Company |
Permanent magnet rotor and method of making same
|
US4568846A
(en)
*
|
1983-10-28 |
1986-02-04 |
Welco Industries |
Permanent magnet laminated rotor with conductor bars
|
US4504755A
(en)
*
|
1983-11-03 |
1985-03-12 |
Kollmorgen Technologies Corporation |
Rotor reluctance notch for cogging control
|
NL8400311A
(nl)
*
|
1984-02-02 |
1985-09-02 |
Philips Nv |
Electromotor.
|
US4563605A
(en)
*
|
1984-07-10 |
1986-01-07 |
Gerber Scientific Inc. |
Damping device for rotary stepping motor
|
EP0170452B1
(de)
*
|
1984-07-11 |
1990-06-13 |
Matsushita Electric Industrial Co., Ltd. |
Elektrischer Drehmotor
|
US4563622A
(en)
*
|
1984-07-12 |
1986-01-07 |
Rotron Incorporated |
Simple brushless DC fan motor
|
KR920000717B1
(ko)
*
|
1984-07-25 |
1992-01-20 |
가부시기가이샤 히다찌세이사꾸쇼 |
영구자석전기
|
US4692646A
(en)
*
|
1984-08-01 |
1987-09-08 |
Matsushita Electric Industrial Co., Ltd. |
Rotating electric motor with reduced cogging torque
|
US4618792A
(en)
*
|
1984-09-26 |
1986-10-21 |
Westinghouse Electric Corp. |
Dynamoelectric machine with a laminated pole permanent magnet rotor
|
US4616151A
(en)
*
|
1984-12-07 |
1986-10-07 |
General Motors Corporation |
Armature with quiet core construction
|
US4700098A
(en)
*
|
1984-12-28 |
1987-10-13 |
Sanyo Electric Co., Ltd. |
D.C. motors with unequal pole spacing
|
US5157292A
(en)
|
1985-02-19 |
1992-10-20 |
Morrill Giles W |
Rotor assembly method and article
|
JPH0824413B2
(ja)
*
|
1985-06-05 |
1996-03-06 |
株式会社日立製作所 |
永久磁石を有する回転子
|
US4761576A
(en)
*
|
1985-11-12 |
1988-08-02 |
General Motors Corporation |
Motor driven air moving apparatus for high speed, constant duty operation
|
EP0229013A3
(de)
*
|
1986-01-09 |
1989-05-10 |
Shinko Electric Co. Ltd. |
Vorrichtung zur Schwingungsdämpfung für einen Schrittmotor
|
DE3700774C2
(de)
*
|
1986-01-13 |
1998-11-12 |
Papst Motoren Gmbh & Co Kg |
Kollektorlose Gleichstrommaschine
|
DE3608472C2
(de)
*
|
1986-03-14 |
1994-04-07 |
Bosch Gmbh Robert |
Verfahren zur Geräuschminderung bei einer elektrischen Maschine und nach diesem Verfahren hergestellte elektrische Maschine, insbesondere Drehstromgenerator für Fahrzeuge
|
US4703243A
(en)
*
|
1986-04-17 |
1987-10-27 |
Kollmorgen Technologies Corporation |
Stepping motor harmonic suppression
|
US4642502A
(en)
*
|
1986-04-24 |
1987-02-10 |
General Motors Corporation |
Dynamoelectric machine with permanent magnet and magnet mounting surface arrangement
|
US4800306A
(en)
*
|
1986-05-19 |
1989-01-24 |
Ing. C. Olivetti & C., S.P.A. |
Device for damping the oscillations of a stepping motor
|
US4713569A
(en)
*
|
1986-06-20 |
1987-12-15 |
501 Aeroflex Laboratories, Incorporated |
Low cogging motor
|
US4739201A
(en)
*
|
1986-07-25 |
1988-04-19 |
The Superior Electric Company |
Means to reduce harmonic torque in electromagnetic machines
|
US4795936A
(en)
*
|
1986-08-26 |
1989-01-03 |
Midwest Dynamometer & Engineering Co. |
Driven rotary shaft system using permanent magnets
|
US4742258A
(en)
*
|
1986-08-26 |
1988-05-03 |
Midwest Dynamometer & Engineering Co. |
Driven rotary shaft system using permanent magnets
|
US4845837A
(en)
*
|
1986-10-06 |
1989-07-11 |
Emerson Electric Co. |
Method of making permanent magnet assembly
|
US4939398A
(en)
*
|
1986-10-06 |
1990-07-03 |
Emerson Electric Co. |
Laminated assemblies with in situ molded magnets
|
US4739203A
(en)
*
|
1986-10-24 |
1988-04-19 |
Shicoh Engineering Co. Ltd. |
Single-phase brushless motor with cogging features
|
US4977344A
(en)
*
|
1987-01-28 |
1990-12-11 |
Emerson Electric Co. |
Rotor assembly and motor construction
|
US5128576A
(en)
|
1987-01-28 |
1992-07-07 |
Emerson Electric Co. |
Rotor assembly and motor construction and method of making same
|
US4782260A
(en)
*
|
1987-02-27 |
1988-11-01 |
General Electric Company |
Closed slot rotor construction
|
US4825983A
(en)
*
|
1987-03-14 |
1989-05-02 |
Motoyasu Nakanishi |
Inertia damper
|
DE3710658A1
(de)
*
|
1987-03-31 |
1988-10-13 |
Standard Elektrik Lorenz Ag |
Elektronisch kommutierter, kollektorloser gleichstrommotor
|
DE3713610A1
(de)
*
|
1987-04-23 |
1988-11-10 |
Heldt & Rossi Servoelektronik |
Rotor fuer elektromotor
|
US4742259A
(en)
*
|
1987-05-11 |
1988-05-03 |
Franklin Electric Co., Inc. |
Permanent magnet rotor for electric motor
|
JPS6464548A
(en)
*
|
1987-09-03 |
1989-03-10 |
Fanuc Ltd |
Rotor construction of synchronous motor
|
US4788465A
(en)
*
|
1987-09-10 |
1988-11-29 |
Digital Equipment Corporation |
Armature for DC motor
|
US4833353A
(en)
*
|
1987-11-09 |
1989-05-23 |
Ram Air Manufacturing |
Method of optimizing armature balance through lamination orientation
|
US4916346A
(en)
*
|
1987-12-28 |
1990-04-10 |
General Electric Company |
Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines
|
US4918831A
(en)
*
|
1987-12-28 |
1990-04-24 |
General Electric Company |
Method of fabricating composite rotor laminations for use in reluctance, homopolar and permanent magnet machines
|
US5214323A
(en)
|
1988-03-22 |
1993-05-25 |
Sharp Kabushiki Kaisha |
Linear motor with reduced cogging
|
US4908537A
(en)
*
|
1988-04-27 |
1990-03-13 |
Westinghouse Electric Corp. |
Pole ventilation of radially ventilated rotors
|
US5053666A
(en)
*
|
1988-06-06 |
1991-10-01 |
General Electric Company |
Construction of reluctance motors
|
US5040286A
(en)
|
1988-06-08 |
1991-08-20 |
General Electric Company |
Method for making permanent magnet rotor
|
US5237737A
(en)
|
1988-06-08 |
1993-08-24 |
General Electric Company |
Method of making a permanent magnet rotor
|
US4922152A
(en)
*
|
1988-07-27 |
1990-05-01 |
Siemens Energy & Automation, Inc. |
Synchronous machine rotor lamination
|
US5045740A
(en)
*
|
1988-09-16 |
1991-09-03 |
Yamamoto Electric Corporation |
Brushless motor
|
US4910861A
(en)
*
|
1988-10-07 |
1990-03-27 |
Emerson Electric Co. |
Method of manufacturing retention structure for electric motor rotor magnets
|
US5109171A
(en)
|
1988-11-11 |
1992-04-28 |
Papst-Motoren Gmbh & Co. Kg |
Low-noise miniature electric motor
|
JPH02252970A
(ja)
|
1989-03-27 |
1990-10-11 |
Sawafuji Electric Co Ltd |
スタータのロータおよびその製造方法
|
US5124607A
(en)
|
1989-05-19 |
1992-06-23 |
General Electric Company |
Dynamoelectric machines including metal filled glass cloth slot closure wedges, and methods of making the same
|
US4963804A
(en)
*
|
1989-07-10 |
1990-10-16 |
Westinghouse Electric Corp. |
Apparatus and method for reducing vibration of rotating machinery
|
JPH0334668U
(de)
*
|
1989-08-10 |
1991-04-04 |
|
|
JPH0374164A
(ja)
|
1989-08-14 |
1991-03-28 |
Hitachi Ltd |
電動機
|
US4973871A
(en)
*
|
1989-08-23 |
1990-11-27 |
Lucas Aerospace Power Equipment Corporation |
Stator assembly having magnet retention by mechanical wedge constraint
|
US5113104A
(en)
|
1989-10-19 |
1992-05-12 |
General Electric Company |
Structured product dynamoelectric machine
|
US5237231A
(en)
|
1989-10-19 |
1993-08-17 |
General Electric Company |
Structured product dynamoelectric machine
|
JPH0366561U
(de)
|
1989-10-30 |
1991-06-27 |
|
|
US5023502A
(en)
*
|
1989-10-31 |
1991-06-11 |
A. O. Smith Corporation |
Switched reluctance motor rotor
|
FR2655214B1
(fr)
|
1989-11-27 |
1992-02-07 |
Alsthom Gec |
Rotor de moteur a aimants.
|
US4987330A
(en)
*
|
1990-01-16 |
1991-01-22 |
General Motors Corporation |
Rotor lamination assembly for a dynamoelectric machine
|
US5204569A
(en)
|
1990-02-07 |
1993-04-20 |
Asmo Co., Ltd. |
Anisotropic magnet for rotary electric machine
|
US5086245A
(en)
*
|
1990-03-06 |
1992-02-04 |
S1 Montevideo Technology, Inc. |
Brushless DC motor slotted tooth lamination
|
US5089730A
(en)
|
1990-05-18 |
1992-02-18 |
North American Philips Corporation |
Low noise DC electric motor
|
US5159220A
(en)
|
1990-06-25 |
1992-10-27 |
General Electric Company |
Realizations of folded magnet AC motors
|
US5117553A
(en)
|
1990-06-25 |
1992-06-02 |
General Electric Company |
Method of assembling rotor magnets
|
EP0538472B1
(de)
|
1990-07-12 |
1997-10-29 |
Seiko Epson Corporation |
Läufer eines bürstenlosen motors und herstellung desselben
|
US5508576A
(en)
|
1990-07-12 |
1996-04-16 |
Seiko Epson Corporation |
Rotor for brushless electromotor
|
JPH0435672U
(de)
|
1990-07-23 |
1992-03-25 |
|
|
US5005281A
(en)
*
|
1990-08-20 |
1991-04-09 |
Dynamics Systems International Inc. |
Method of making rotor and stator pole assemblies by stamping magnetic plate
|
US5097166A
(en)
|
1990-09-24 |
1992-03-17 |
Reuland Electric |
Rotor lamination for an AC permanent magnet synchronous motor
|
DE4033454A1
(de)
*
|
1990-10-20 |
1992-04-23 |
Bosch Gmbh Robert |
Permanentmagnetrotor
|
US5187400A
(en)
|
1990-11-16 |
1993-02-16 |
Asmo Co., Ltd. |
Vibration-proof stepping motor with built-up stator
|
US5111096A
(en)
|
1991-03-15 |
1992-05-05 |
Emerson Electric Co. |
Isolated segmental switch reluctance motor
|
US5138207A
(en)
|
1991-04-04 |
1992-08-11 |
Emerson Electric Co. |
Flux trapped superconductor sychronous motor with creep compensation
|
JPH054743U
(ja)
|
1991-07-05 |
1993-01-22 |
株式会社東芝 |
永久磁石式回転子
|
US5177390A
(en)
|
1991-09-17 |
1993-01-05 |
Kohler Co. |
Rotor
|
US5266859A
(en)
|
1991-10-09 |
1993-11-30 |
General Electric Company |
Skewing of pole laminations of a switched reluctance machine to reduce acoustic noise
|
US5250867A
(en)
|
1991-11-20 |
1993-10-05 |
General Electric Company |
Permanent magnet brushless DC motor having reduced cogging
|
JP2795576B2
(ja)
|
1992-02-28 |
1998-09-10 |
ファナック株式会社 |
同期電動機のロータ
|
US5260620A
(en)
|
1992-03-09 |
1993-11-09 |
Morrill Giles W |
Asynchronous induction motor
|
JPH05284680A
(ja)
|
1992-04-01 |
1993-10-29 |
Toshiba Corp |
永久磁石式回転子
|
US5402024A
(en)
|
1992-04-06 |
1995-03-28 |
Matsushita Electric Industrial Co., Ltd. |
Rotor for a permanent-magnet motor
|
US5283469A
(en)
|
1992-07-29 |
1994-02-01 |
General Electric Company |
Impact start assist for an electric motor
|
NL9201428A
(nl)
|
1992-08-10 |
1992-12-01 |
Philips Electronics Nv |
Voedingsschakeling en stuurschakeling voor toepassing in een voedingsschakeling.
|
DE9313958U1
(de)
|
1992-10-14 |
1993-11-25 |
Yun, Ja Dong, Seoul |
Elektrischer Generator für kleine Antriebsleistung
|
US5300845A
(en)
|
1993-04-05 |
1994-04-05 |
General Electric Company |
Banded electromagnetic stator core
|
US5306123A
(en)
|
1993-04-08 |
1994-04-26 |
General Electric Company |
Noise isolating rotor for air handler motor
|
AU660249B2
(en)
|
1993-07-08 |
1995-06-15 |
Mitsubishi Materials Corporation |
Stepping motor
|
EP0660491B1
(de)
|
1993-12-24 |
1997-03-05 |
Nippondenso Co., Ltd. |
Motor für elektrische Pumpen
|
JPH07194079A
(ja)
|
1993-12-27 |
1995-07-28 |
Matsushita Electric Ind Co Ltd |
永久磁石直流モータ
|
US5604388A
(en)
|
1994-02-16 |
1997-02-18 |
Emerson Electric Co. |
Switched reluctance rotor molded lug
|
US5506458A
(en)
|
1994-03-04 |
1996-04-09 |
Quantum Corporation |
Low cost permanent magnet disk spindle motor
|
US5578878A
(en)
|
1994-08-30 |
1996-11-26 |
United Technologies Motor Systems, Inc. |
Counterbalanced electric motor
|
US5475276A
(en)
|
1994-10-05 |
1995-12-12 |
Nippondenso Co., Ltd. |
Electric rotating machine
|