GB1305112A - - Google Patents
Info
- Publication number
- GB1305112A GB1305112A GB2488570A GB2488570A GB1305112A GB 1305112 A GB1305112 A GB 1305112A GB 2488570 A GB2488570 A GB 2488570A GB 2488570 A GB2488570 A GB 2488570A GB 1305112 A GB1305112 A GB 1305112A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bellows
- spring
- actuator
- plunger
- time delay
- 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
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
- H01H43/24—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a non-rotatable moving part
- H01H43/28—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a non-rotatable moving part the actuation being produced by a part, the speed of which is controlled by fluid-pressure means, e.g. by piston and cylinder
- H01H43/285—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a non-rotatable moving part the actuation being produced by a part, the speed of which is controlled by fluid-pressure means, e.g. by piston and cylinder adjusting the time interval by means of an adjustable orifice, e.g. needle valve
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82732369A | 1969-05-23 | 1969-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1305112A true GB1305112A (enrdf_load_stackoverflow) | 1973-01-31 |
Family
ID=25248917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2488570A Expired GB1305112A (enrdf_load_stackoverflow) | 1969-05-23 | 1970-05-22 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3551615A (enrdf_load_stackoverflow) |
AU (1) | AU1525970A (enrdf_load_stackoverflow) |
GB (1) | GB1305112A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1344068A (en) * | 1970-09-11 | 1974-01-16 | Smiths Ind | Switches |
BE791256A (fr) * | 1971-11-10 | 1973-05-10 | Siemens Ag | Commutateur notamment pour des installations de telecommunications |
US3814872A (en) * | 1972-04-24 | 1974-06-04 | Polaroid Corp | Remote control system for photographic apparatus |
-
1969
- 1969-05-23 US US827323A patent/US3551615A/en not_active Expired - Lifetime
-
1970
- 1970-05-19 AU AU15259/70A patent/AU1525970A/en not_active Expired
- 1970-05-22 GB GB2488570A patent/GB1305112A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3551615A (en) | 1970-12-29 |
AU1525970A (en) | 1971-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2965117A (en) | Irrigation control system | |
GB764647A (en) | Improvements in air blast electric circuit breakers | |
ES432250A1 (es) | Un dispositivo de valvula de solenoide. | |
ES383721A1 (es) | Perfeccionamientos en la construccion de valvulas para fre-nos de circuito doble. | |
GB770100A (en) | Operating device for air blast electric circuit breakers | |
GB1480086A (en) | Vacuum valve | |
GB1305112A (enrdf_load_stackoverflow) | ||
GB1187447A (en) | A Tap Changing Apparatus for an Electric Winding | |
GB1104802A (en) | Indicating and/or controlling device for use in pressure fluid installations | |
US3675374A (en) | Direct pressure treating device | |
ES437723A1 (es) | Perfeccionamientos en valvulas de control de presion para sistemas de frenado de vehiculos. | |
GB1040423A (en) | Pneumatic pressure operated electric switch | |
GB852716A (en) | Fluid responsive electric switch | |
GB1483911A (en) | Hydraulic actuating system suitable for actuating a high voltage circuit breaker | |
GB936545A (en) | Air blast electric circuit breaker | |
GB832819A (en) | Fluid pressure responsive electric switch | |
US3681721A (en) | Time delay switch | |
GB803748A (en) | Improvements in air blast electric circuit breakers | |
GB1298993A (en) | Timing device | |
GB633638A (en) | Improvements in or relating to fluid pressure actuated electric switches | |
US3592980A (en) | Pneumatic step controller with reciprocal cam means | |
GB889248A (en) | Improved hydraulic means for stressing the springs of spring-actuated electric switches | |
NL6607513A (enrdf_load_stackoverflow) | ||
GB1139572A (en) | Improvements in or relating to gas-blast circuit-breakers | |
GB1407674A (en) | Pneumatic timer attachment for type m relay |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PCNP | Patent ceased through non-payment of renewal fee |