GB1437610A - System and method for controlling a variable speed drive - Google Patents
System and method for controlling a variable speed driveInfo
- Publication number
- GB1437610A GB1437610A GB4473673A GB4473673A GB1437610A GB 1437610 A GB1437610 A GB 1437610A GB 4473673 A GB4473673 A GB 4473673A GB 4473673 A GB4473673 A GB 4473673A GB 1437610 A GB1437610 A GB 1437610A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- valve
- coupling
- operating
- sept
- 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
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 239000012530 fluid Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
Classifications
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/0016—Control of angular speed of one shaft without controlling the prime mover
- H02P29/0027—Controlling a clutch between the prime mover and the load
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
- H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00291218A US3851742A (en) | 1972-09-22 | 1972-09-22 | Control system for variable speed drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1437610A true GB1437610A (en) | 1976-06-03 |
Family
ID=23119393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4473673A Expired GB1437610A (en) | 1972-09-22 | 1973-09-24 | System and method for controlling a variable speed drive |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3851742A (enExample) |
| JP (1) | JPS4993793A (enExample) |
| CA (1) | CA1015844A (enExample) |
| FR (1) | FR2200984A5 (enExample) |
| GB (1) | GB1437610A (enExample) |
| IT (1) | IT993370B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380723A (en) * | 1979-06-05 | 1983-04-19 | Digital Equipment Corporation | Digital velocity servo |
| US4364459A (en) * | 1980-02-11 | 1982-12-21 | Dynacraft Machine Company Limited | Electromechanical coupling system for preventing a mechanical device from operating beyond preselected operating parameters or control parameters |
| US4527681A (en) * | 1981-12-04 | 1985-07-09 | Sommer Company | Variable speed drive unit with graduated increasing and decreasing speed profile |
| JPS58170920A (ja) * | 1982-03-31 | 1983-10-07 | Aisin Seiki Co Ltd | 自動クラツチ制御装置 |
| DE10317570B3 (de) * | 2003-04-16 | 2004-09-16 | Koenig & Bauer Ag | Antriebsvorrichtung eines Aggregates einer Druckmaschine |
| US8020792B2 (en) * | 2005-12-27 | 2011-09-20 | Metso Minerals Industries, Inc. | Locked charge detector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2860850A (en) * | 1953-05-25 | 1958-11-18 | Garrett Corp | Solenoid valve |
| US3441342A (en) * | 1965-03-29 | 1969-04-29 | Rca Corp | Frequency and phase error detection means for synchronization systems |
| US3385986A (en) * | 1967-04-26 | 1968-05-28 | Eaton Yale & Towne | Controlled-velocity drive |
| US3437188A (en) * | 1967-05-03 | 1969-04-08 | Gillett Tool Co | Electric speed control system for a fluid operated disc clutch |
| US3563355A (en) * | 1969-03-19 | 1971-02-16 | Force Control Ind | Control system for variable speed drive |
| US3705358A (en) * | 1971-08-09 | 1972-12-05 | Itek Corp | Digital prf filter |
-
1972
- 1972-09-22 US US00291218A patent/US3851742A/en not_active Expired - Lifetime
-
1973
- 1973-09-21 IT IT29252/73A patent/IT993370B/it active
- 1973-09-21 FR FR7333994A patent/FR2200984A5/fr not_active Expired
- 1973-09-21 JP JP48106806A patent/JPS4993793A/ja active Pending
- 1973-09-21 CA CA181,624A patent/CA1015844A/en not_active Expired
- 1973-09-24 GB GB4473673A patent/GB1437610A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3851742A (en) | 1974-12-03 |
| IT993370B (it) | 1975-09-30 |
| CA1015844A (en) | 1977-08-16 |
| DE2347556B2 (de) | 1977-06-23 |
| DE2347556A1 (de) | 1974-05-02 |
| JPS4993793A (enExample) | 1974-09-06 |
| FR2200984A5 (enExample) | 1974-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |