IT978604B - Apparecchiatura per la regolazio ne automatica di una valvola - Google Patents
Apparecchiatura per la regolazio ne automatica di una valvolaInfo
- Publication number
- IT978604B IT978604B IT19756/73A IT1975673A IT978604B IT 978604 B IT978604 B IT 978604B IT 19756/73 A IT19756/73 A IT 19756/73A IT 1975673 A IT1975673 A IT 1975673A IT 978604 B IT978604 B IT 978604B
- Authority
- IT
- Italy
- Prior art keywords
- valve
- equipment
- automatic adjustment
- adjustment
- automatic
- Prior art date
Links
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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/24—Arrangements for stopping
- H02P8/28—Disconnecting power source when stopping
-
- 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
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
-
- 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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/14—Arrangements for controlling speed or speed and torque
- H02P8/20—Arrangements for controlling speed or speed and torque characterised by bidirectional operation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00284153A US3800201A (en) | 1972-08-28 | 1972-08-28 | Electromechanical valve positioning apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IT978604B true IT978604B (it) | 1974-09-20 |
Family
ID=23089062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19756/73A IT978604B (it) | 1972-08-28 | 1973-01-29 | Apparecchiatura per la regolazio ne automatica di una valvola |
Country Status (5)
Country | Link |
---|---|
US (1) | US3800201A (it) |
JP (1) | JPS4946221A (it) |
DE (1) | DE2307340A1 (it) |
FR (1) | FR2198306B3 (it) |
IT (1) | IT978604B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3993940A (en) * | 1974-12-26 | 1976-11-23 | Borg-Warner Corporation | Latching system for two-phase reversible motor |
US4084120A (en) * | 1976-06-16 | 1978-04-11 | E-Systems, Inc. | Stepper motor valve actuator control apparatus |
DE2725887A1 (de) * | 1976-06-16 | 1977-12-29 | E Systems Inc | Anordnung zur schrittweisen drehung eines motors, insbesondere eines synchronmotors, sowie zur verriegelung des motors in einer haltestellung |
NL7707259A (nl) * | 1977-06-30 | 1979-01-03 | Philips Nv | Beademingstoestel. |
US4215303A (en) * | 1977-10-07 | 1980-07-29 | Linear International | Washing machine motor control system |
US4142137A (en) * | 1977-12-22 | 1979-02-27 | Multi-Elmac Company | Operator motor control |
US4140950A (en) * | 1977-12-27 | 1979-02-20 | Borg-Warner Corporation | Control system for two-phase reversible motor |
DE2826765A1 (de) * | 1978-06-19 | 1979-12-20 | Rau Swf Autozubehoer | Steuerschaltung fuer einen aus einer spannungsquelle gespeisten elektromotor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3124732A (en) * | 1964-03-10 | Reversible step motor switching circuit | ||
US3092765A (en) * | 1961-06-19 | 1963-06-04 | Phillips Petroleum Co | Control mechanism |
US3551770A (en) * | 1968-11-05 | 1970-12-29 | Bausch & Lomb | Motor drive circuit |
-
1972
- 1972-08-28 US US00284153A patent/US3800201A/en not_active Expired - Lifetime
-
1973
- 1973-01-29 IT IT19756/73A patent/IT978604B/it active
- 1973-02-08 FR FR7304493A patent/FR2198306B3/fr not_active Expired
- 1973-02-09 JP JP48016348A patent/JPS4946221A/ja active Pending
- 1973-02-15 DE DE19732307340 patent/DE2307340A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3800201A (en) | 1974-03-26 |
FR2198306B3 (it) | 1976-02-06 |
DE2307340A1 (de) | 1974-03-21 |
JPS4946221A (it) | 1974-05-02 |
FR2198306A1 (it) | 1974-03-29 |
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