GB2049322B - Direct current motors - Google Patents
Direct current motorsInfo
- Publication number
- GB2049322B GB2049322B GB8011301A GB8011301A GB2049322B GB 2049322 B GB2049322 B GB 2049322B GB 8011301 A GB8011301 A GB 8011301A GB 8011301 A GB8011301 A GB 8011301A GB 2049322 B GB2049322 B GB 2049322B
- Authority
- GB
- United Kingdom
- Prior art keywords
- direct current
- current motors
- motors
- direct
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Brushless Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4132879A JPS55133659A (en) | 1979-04-05 | 1979-04-05 | Dc motor |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2049322A GB2049322A (en) | 1980-12-17 |
GB2049322B true GB2049322B (en) | 1983-03-30 |
Family
ID=12605443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8011301A Expired GB2049322B (en) | 1979-04-05 | 1980-04-03 | Direct current motors |
Country Status (5)
Country | Link |
---|---|
US (1) | US4396875A ( ) |
JP (1) | JPS55133659A ( ) |
DE (1) | DE3013249A1 ( ) |
FR (1) | FR2453526A1 ( ) |
GB (1) | GB2049322B ( ) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645991A (en) * | 1981-03-22 | 1987-02-24 | Itsuki Ban | Apparatus for removing torque ripples in direct-current motors |
JPS58136995U (ja) * | 1982-03-09 | 1983-09-14 | パイオニア株式会社 | 2相ブラシレスモ−タ駆動回路 |
US4459087A (en) * | 1982-06-02 | 1984-07-10 | Aciers Et Outillage Peugeot | Fan unit for an internal combustion engine of automobile vehicle |
DE3404523A1 (de) * | 1984-02-09 | 1985-08-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Anordnung zur elektronischen kommutierung eines buerstenlosen gleichstrommotors |
DE3504681A1 (de) * | 1985-02-12 | 1986-09-04 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Antriebs- und positioniersystem |
US5123079A (en) * | 1986-03-10 | 1992-06-16 | Minolta Camera Kabushiki Kaisha | DC motor and controlling system therefor |
US4985669A (en) * | 1989-07-13 | 1991-01-15 | Tri-Tech Inc. | Motor feedback system |
US5013899A (en) * | 1989-07-28 | 1991-05-07 | Ncr Corporation | Scanning system having low quiescent current scanning mirror motor driver circuitry |
US4962734A (en) * | 1990-03-14 | 1990-10-16 | Paccar Inc. | Electrically driven, circumferentially supported fan |
FR2704369B1 (fr) * | 1993-04-20 | 1995-06-02 | Auxilec | Moteur autosynchrone à bague commutante. |
US6859001B2 (en) * | 2003-07-24 | 2005-02-22 | General Electric Company | Torque ripple and noise reduction by avoiding mechanical resonance for a brushless DC machine |
US20090200882A1 (en) * | 2008-02-12 | 2009-08-13 | Elberto Berdut-Teruel | Orbital hybrid magnetic electronic engine and generator |
US10277084B1 (en) | 2016-10-19 | 2019-04-30 | Waymo Llc | Planar rotary transformer |
US10530209B2 (en) * | 2016-10-28 | 2020-01-07 | Waymo Llc | Devices and methods for driving a rotary platform |
US10931175B2 (en) | 2018-10-31 | 2021-02-23 | Waymo Llc | Magnet ring with jittered poles |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3383574A (en) * | 1964-06-30 | 1968-05-14 | Gen Electric | Brushless direct current motor and torquer |
DE1488726B2 (de) * | 1965-11-12 | 1970-02-12 | Siemens AG, 1000 Berlin u. 8000 München | Drehzahlregeleinriehtung für einen Gleichstrommotor mit elektronischer Kommutierung |
DE1563399A1 (de) * | 1966-09-14 | 1970-07-09 | Siemens Ag | Kollektorloser Gleichstrommotor |
DE2329089C2 (de) * | 1973-06-07 | 1981-09-24 | Krupp-Koppers Gmbh, 4300 Essen | Vorrichtung zur Trocknung und Kalzinierung von Petrolkoks |
JPS575067B2 ( ) * | 1973-07-13 | 1982-01-28 | ||
US4015181A (en) * | 1974-06-18 | 1977-03-29 | Canon Kabushiki Kaisha | DC motor |
JPS5118805A ( ) * | 1974-08-08 | 1976-02-14 | Hitachi Ltd | |
US3959705A (en) * | 1974-12-27 | 1976-05-25 | Jalal Tawfiq Salihi | Direct current motors with improved commutation |
US4096419A (en) * | 1975-09-12 | 1978-06-20 | Plessey Handel Und Investments Ag. | Electric motors |
JPS52154002A (en) * | 1976-06-17 | 1977-12-21 | Sony Corp | Brushless dc motor |
JPS5424073A (en) * | 1977-07-25 | 1979-02-23 | Hitachi Ltd | Magnetism detecting apparatus |
FR2454722A1 (fr) * | 1979-04-18 | 1980-11-14 | Artus | Moteur a courant continu sans balais |
-
1979
- 1979-04-05 JP JP4132879A patent/JPS55133659A/ja active Pending
-
1980
- 1980-04-03 DE DE19803013249 patent/DE3013249A1/de active Granted
- 1980-04-03 GB GB8011301A patent/GB2049322B/en not_active Expired
- 1980-04-04 US US06/137,412 patent/US4396875A/en not_active Expired - Lifetime
- 1980-04-04 FR FR8007737A patent/FR2453526A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2453526A1 (fr) | 1980-10-31 |
JPS55133659A (en) | 1980-10-17 |
FR2453526B1 ( ) | 1983-10-14 |
US4396875A (en) | 1983-08-02 |
DE3013249C2 ( ) | 1990-08-09 |
DE3013249A1 (de) | 1980-10-23 |
GB2049322A (en) | 1980-12-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2027285B (en) | Electric motors | |
DE3011241D2 (en) | Direct current motor without collector | |
GB2066597B (en) | Protecting electric motors | |
JPS561782A (en) | Controlled current inverter | |
GB1555269A (en) | Electric motors | |
GB2056788B (en) | Direct current micromotor | |
GB2040209B (en) | Electric shavers | |
GB2062365B (en) | Electric motor | |
GB2049322B (en) | Direct current motors | |
GB2028006B (en) | Electric motors | |
GB2044554B (en) | Electric motor brushgear | |
YU40944B (en) | Electric interupter | |
GB2059178B (en) | Electric motor | |
GB1544334A (en) | Electric motors | |
GB2062976B (en) | Dc motors | |
GB2052882B (en) | Synchronous motors | |
JPS55105320A (en) | Power capacipor | |
GB2042807B (en) | Electric cut-out | |
GB2049304B (en) | Brushless electric motors | |
GB1545777A (en) | Electric motors | |
GB2007922B (en) | Electric motors | |
GB2075775B (en) | Direct current motor without collector | |
JPS5588540A (en) | Improved armature | |
JPS55144765A (en) | Diskktype armature | |
DE2966032D1 (en) | Direct current motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930403 |