BE710542A - - Google Patents
Info
- Publication number
- BE710542A BE710542A BE710542DA BE710542A BE 710542 A BE710542 A BE 710542A BE 710542D A BE710542D A BE 710542DA BE 710542 A BE710542 A BE 710542A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/34—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements
- H02P7/347—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements in which only the generator field is controlled
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/923—Specific feedback condition or device
- Y10S388/93—Load or torque
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62153567A | 1967-03-08 | 1967-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE710542A true BE710542A (US20040140095A1-20040722-M00023.png) | 1968-06-17 |
Family
ID=24490558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE710542D BE710542A (US20040140095A1-20040722-M00023.png) | 1967-03-08 | 1968-02-08 |
Country Status (10)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3532950A (en) * | 1969-03-03 | 1970-10-06 | Gen Electric | Voltage regulator for direct current motor with drive current control |
| JPS5330563A (en) * | 1976-08-31 | 1978-03-22 | Mitsubishi Electric Corp | Safety device for elevator |
| US4161235A (en) * | 1978-05-19 | 1979-07-17 | Westinghouse Electric Corp. | Elevator system |
| US4331263A (en) * | 1979-11-30 | 1982-05-25 | Christopher Scientific Co., Inc. | Control unit for use in a vibratory feeder system |
| JPS57137275A (en) * | 1981-02-12 | 1982-08-24 | Mitsubishi Electric Corp | Controller for speed of elevator |
| JP3673128B2 (ja) * | 1999-11-16 | 2005-07-20 | 株式会社マキタ | プリセット速度実現スイッチ付き動力工具 |
| EP3613690B1 (en) * | 2018-08-23 | 2021-09-29 | KONE Corporation | An elevator signalization apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1200242A (fr) * | 1957-08-28 | 1959-12-18 | Starkstrom Anlagenbau Erfurt | Dispositif de commande électrique de machines d'extraction de mines à groupe léonard |
| US3350612A (en) * | 1964-02-19 | 1967-10-31 | Imp Electric Company | Jerkless pattern signal for motor acceleration |
| US3297110A (en) * | 1965-02-10 | 1967-01-10 | Serge Elevator Company Inc | Generator starter used in an elevator motor drive |
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1967
- 1967-03-08 US US621535A patent/US3470438A/en not_active Expired - Lifetime
- 1967-12-27 CA CA008503A patent/CA920248A/en not_active Expired
-
1968
- 1968-01-08 GB GB01227/68A patent/GB1177601A/en not_active Expired
- 1968-02-06 ES ES350219A patent/ES350219A1/es not_active Expired
- 1968-02-08 BE BE710542D patent/BE710542A/xx not_active IP Right Cessation
- 1968-02-09 CH CH195668A patent/CH477121A/de not_active IP Right Cessation
- 1968-02-09 DE DE1638097A patent/DE1638097C3/de not_active Expired
- 1968-02-16 FR FR1557983D patent/FR1557983A/fr not_active Expired
- 1968-03-05 BR BR197414/68A patent/BR6897414D0/pt unknown
- 1968-03-08 NL NL6803401.A patent/NL162033C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR1557983A (US20040140095A1-20040722-M00023.png) | 1969-02-21 |
| DE1638097B2 (de) | 1979-01-18 |
| NL162033C (nl) | 1980-04-15 |
| US3470438A (en) | 1969-09-30 |
| DE1638097C3 (de) | 1979-09-06 |
| NL6803401A (US20040140095A1-20040722-M00023.png) | 1968-09-09 |
| GB1177601A (en) | 1970-01-14 |
| ES350219A1 (es) | 1969-05-01 |
| DE1638097A1 (de) | 1970-06-11 |
| CH477121A (de) | 1969-08-15 |
| CA920248A (en) | 1973-01-30 |
| BR6897414D0 (pt) | 1973-03-13 |
| NL162033B (nl) | 1979-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: OTIS ELEVATOR CY Effective date: 19880208 |