GB195962A - Device for the automatic operation of an electric circuit breaker controlled by the pressure of a liquid or gaseous medium - Google Patents
Device for the automatic operation of an electric circuit breaker controlled by the pressure of a liquid or gaseous mediumInfo
- Publication number
- GB195962A GB195962A GB8975/23A GB897523A GB195962A GB 195962 A GB195962 A GB 195962A GB 8975/23 A GB8975/23 A GB 8975/23A GB 897523 A GB897523 A GB 897523A GB 195962 A GB195962 A GB 195962A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- spring
- fluid
- switch
- valves
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
Landscapes
- Mechanisms For Operating Contacts (AREA)
Abstract
195,962. Maschinenfabrik Oerlikon. April 4, 1922, [Convention date]. Fluid-actuated value-3.-The valves for controlling the supply of actuating fluid to a cylinder actuating an electric switch are provided with spring tumbler loading devices and are connected to their operating pistons by lost-motion devices. The switch 1 is kept closed by a piston 3 and is opened by the admission of fluid through a pipe 7 to a diaphragm 8, which acts on a piston 9 against a spring 6. The piston moves a distance H to meet the tappet 11, and then moves the valves 4, 5 a distance h, thereby admitting fluid through the valve 5 to open the switch. On the pressure being reduced, the spring 17 holds the valve 4 closed until the piston on its return stroke has traversed the distance H and encounters the tappet 10. The valve 4 is then lifted and the spring 2 closes the switch. The snap device operates on the dead-centre principle, and comprises a tension spring 12, attached to the pivot 13, and a knee-lever 14, 15, 16 connected at 16 to the piston. By means of it a more rapid reversal of valves 4, 5 is effected.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH195962X | 1922-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB195962A true GB195962A (en) | 1923-08-02 |
Family
ID=4440191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8975/23A Expired GB195962A (en) | 1922-04-04 | 1923-03-29 | Device for the automatic operation of an electric circuit breaker controlled by the pressure of a liquid or gaseous medium |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB195962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872149A (en) * | 1953-04-20 | 1959-02-03 | Infilco Inc | Quick-acting release valve |
| US3077329A (en) * | 1956-04-10 | 1963-02-12 | Wilson Supply Company | Valve |
-
1923
- 1923-03-29 GB GB8975/23A patent/GB195962A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872149A (en) * | 1953-04-20 | 1959-02-03 | Infilco Inc | Quick-acting release valve |
| US3077329A (en) * | 1956-04-10 | 1963-02-12 | Wilson Supply Company | Valve |
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