GB538200A - Improvements in and relating to electric motor control equipments - Google Patents
Improvements in and relating to electric motor control equipmentsInfo
- Publication number
- GB538200A GB538200A GB1409/40A GB140940A GB538200A GB 538200 A GB538200 A GB 538200A GB 1409/40 A GB1409/40 A GB 1409/40A GB 140940 A GB140940 A GB 140940A GB 538200 A GB538200 A GB 538200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam shaft
- control
- under
- series
- relating
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
- B60L15/34—Control or regulation of multiple-unit electrically-propelled vehicles with human control of a setting device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
538,200. Master control of motors. FERGUSON, A. D., and METROPOLITANVICKERS ELECTRICAL CO., Ltd. Jan. 23, 1940, Nos. 1409 and 7123. [Class 38 (iii)] Individual contactors are operated pneumatically, their valves being actuated in correct sequence by a cam shaft rotated by a servomotor 8 under the control of a master-controller. The cam shaft can make two complete rotations by imparting to it an axial motion so that the cams move in a helical path. A drum 26 causes the cam shaft to advance from "off" to first series," " full series " and " full parallel position according to the position of the mastercontroller and under the control of a current limit relay, notching being obtained by opening and closing an electromagnetically actuated oil valve 22. Overload causes time switches to be opened and the cam shaft to be returned to " off " position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1409/40A GB538200A (en) | 1940-01-23 | 1940-01-23 | Improvements in and relating to electric motor control equipments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1409/40A GB538200A (en) | 1940-01-23 | 1940-01-23 | Improvements in and relating to electric motor control equipments |
Publications (1)
Publication Number | Publication Date |
---|---|
GB538200A true GB538200A (en) | 1941-07-24 |
Family
ID=9721521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1409/40A Expired GB538200A (en) | 1940-01-23 | 1940-01-23 | Improvements in and relating to electric motor control equipments |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB538200A (en) |
-
1940
- 1940-01-23 GB GB1409/40A patent/GB538200A/en not_active Expired
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