FR2144757B1 - - Google Patents
Info
- Publication number
- FR2144757B1 FR2144757B1 FR7224100A FR7224100A FR2144757B1 FR 2144757 B1 FR2144757 B1 FR 2144757B1 FR 7224100 A FR7224100 A FR 7224100A FR 7224100 A FR7224100 A FR 7224100A FR 2144757 B1 FR2144757 B1 FR 2144757B1
- Authority
- FR
- France
- 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
- 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
- H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2133489A DE2133489C3 (en) | 1971-07-06 | 1971-07-06 | Electronically controlled brushless DC machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2144757A1 FR2144757A1 (en) | 1973-02-16 |
| FR2144757B1 true FR2144757B1 (en) | 1976-01-16 |
Family
ID=5812784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7224100A Expired FR2144757B1 (en) | 1971-07-06 | 1972-07-04 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5332843B1 (en) |
| AT (1) | AT315969B (en) |
| BE (1) | BE785911A (en) |
| CA (1) | CA977412A (en) |
| CH (1) | CH544443A (en) |
| DE (1) | DE2133489C3 (en) |
| DK (1) | DK128590B (en) |
| ES (1) | ES404542A1 (en) |
| FI (1) | FI54211C (en) |
| FR (1) | FR2144757B1 (en) |
| GB (1) | GB1396533A (en) |
| IT (1) | IT956944B (en) |
| NL (1) | NL7209434A (en) |
| NO (1) | NO134320C (en) |
| SE (1) | SE411280B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2940637A1 (en) * | 1979-10-06 | 1981-04-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | DC MOTOR WITH ELECTRONIC COMMUTATION CIRCUIT |
| DE3802373A1 (en) * | 1988-01-27 | 1988-08-04 | Johann Reiter | Magnetic-force motor |
| DE102008036704B4 (en) * | 2008-08-07 | 2015-02-12 | Ulrich Clauss | DC machine with electronic commutation |
-
1971
- 1971-07-06 DE DE2133489A patent/DE2133489C3/en not_active Expired
-
1972
- 1972-06-26 AT AT548972A patent/AT315969B/en active
- 1972-06-28 IT IT26397/72A patent/IT956944B/en active
- 1972-06-29 NO NO2333/72A patent/NO134320C/no unknown
- 1972-06-29 SE SE7208556A patent/SE411280B/en unknown
- 1972-07-04 FR FR7224100A patent/FR2144757B1/fr not_active Expired
- 1972-07-05 JP JP6675872A patent/JPS5332843B1/ja active Pending
- 1972-07-05 DK DK335472AA patent/DK128590B/en unknown
- 1972-07-05 ES ES404542A patent/ES404542A1/en not_active Expired
- 1972-07-06 BE BE785911A patent/BE785911A/en unknown
- 1972-07-06 FI FI1921/72A patent/FI54211C/en active
- 1972-07-06 GB GB3170472A patent/GB1396533A/en not_active Expired
- 1972-07-06 CH CH1016172A patent/CH544443A/en not_active IP Right Cessation
- 1972-07-06 CA CA146,469A patent/CA977412A/en not_active Expired
- 1972-07-06 NL NL7209434A patent/NL7209434A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7209434A (en) | 1973-01-09 |
| GB1396533A (en) | 1975-06-04 |
| NO134320B (en) | 1976-06-08 |
| SE411280B (en) | 1979-12-10 |
| CA977412A (en) | 1975-11-04 |
| DE2133489C3 (en) | 1975-08-07 |
| JPS5332843B1 (en) | 1978-09-11 |
| FI54211C (en) | 1978-10-10 |
| IT956944B (en) | 1973-10-10 |
| DK128590B (en) | 1974-05-27 |
| FR2144757A1 (en) | 1973-02-16 |
| NO134320C (en) | 1976-09-15 |
| CH544443A (en) | 1973-11-15 |
| AT315969B (en) | 1974-06-25 |
| BE785911A (en) | 1972-11-03 |
| DE2133489B2 (en) | 1974-12-19 |
| DE2133489A1 (en) | 1973-01-25 |
| FI54211B (en) | 1978-06-30 |
| ES404542A1 (en) | 1975-06-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |