FR938649A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR938649A FR938649A FR938649DA FR938649A FR 938649 A FR938649 A FR 938649A FR 938649D A FR938649D A FR 938649DA FR 938649 A FR938649 A FR 938649A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/06—Switches operated by change of speed
- H01H35/10—Centrifugal switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/23—Mechanically-actuated centrifugal switches
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanisms For Operating Contacts (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US380492A US2277425A (en) | 1941-02-25 | 1941-02-25 | Switch |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938649A true FR938649A (en) | 1948-10-20 |
Family
ID=23501374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938649D Expired FR938649A (en) | 1941-02-25 | 1946-10-10 | Improvements to electrical switches |
Country Status (3)
Country | Link |
---|---|
US (1) | US2277425A (en) |
FR (1) | FR938649A (en) |
GB (1) | GB554086A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2538410A (en) * | 1946-09-03 | 1951-01-16 | Century Electric Company | Dynamoelectric machine |
US2603732A (en) * | 1950-08-18 | 1952-07-15 | Gen Electric | Switch |
US2608677A (en) * | 1950-10-20 | 1952-08-26 | Gen Electric | Dynamoelectric machine ventilation |
US3035134A (en) * | 1957-03-21 | 1962-05-15 | Cutler Hammer Inc | Electric switches |
US3157761A (en) * | 1961-08-30 | 1964-11-17 | Gen Electric | Speed responsive switch having a pivotally mounted operating member with an integral contact |
US4661732A (en) * | 1986-02-28 | 1987-04-28 | Emerson Electric Co. | Safety device for a centrifugal actuator assembly |
US5508480A (en) * | 1993-09-24 | 1996-04-16 | Jpb Enterprises, Inc. | Modular electrical switch and switching assembly for industrial elevators |
US6201325B1 (en) | 2000-03-16 | 2001-03-13 | Marathon Electric Manufacturing Corportion | Centrifugal actuator for controlling a switch unit particularly a start winding switch unit for an electric motor |
US11641148B2 (en) | 2018-10-08 | 2023-05-02 | Regal Beloit America, Inc. | Actuator, electric motor and associated method |
-
1941
- 1941-02-25 US US380492A patent/US2277425A/en not_active Expired - Lifetime
-
1942
- 1942-02-25 GB GB2454/42A patent/GB554086A/en not_active Expired
-
1946
- 1946-10-10 FR FR938649D patent/FR938649A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB554086A (en) | 1943-06-18 |
US2277425A (en) | 1942-03-24 |
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