GB702077A - Improvements in or relating to electric switch devices actuated by fluid pressure - Google Patents
Improvements in or relating to electric switch devices actuated by fluid pressureInfo
- Publication number
- GB702077A GB702077A GB1513951A GB1513951A GB702077A GB 702077 A GB702077 A GB 702077A GB 1513951 A GB1513951 A GB 1513951A GB 1513951 A GB1513951 A GB 1513951A GB 702077 A GB702077 A GB 702077A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- relating
- microswitch
- fluid pressure
- electric switch
- 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
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
- H01H35/2628—Means for adjustment of "ON" or "OFF" operating pressure by varying the relative position of switch-casing and pressure sensitive element
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
702,077. Fluid actuation of switches. DENNIS, K. J., and QUICK, J. A. June 26, 1952 [June 16, 1951], No. 15139/51. Class 38(5) A pressure-responsive switching device comprises a mioroswitch which is operated by the free end of a Bourdon tube 11. The device may have a microswitch 15 with an operating button 19 engaged by a lug 18 carried by the free end of the tube 11 when the pressure rises. In addition to, or as an alternative to, the microswitch 15, a microswitch 16 may be provided, its operating button 20 being engaged by the lug 18 when the pressure falls. The or each switch position is adjustable to provide a desired operative pressure by rotation of plate switch-mounts 21, the screws 24 locking the plates 21 at the desired position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1513951A GB702077A (en) | 1951-06-16 | 1951-06-16 | Improvements in or relating to electric switch devices actuated by fluid pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1513951A GB702077A (en) | 1951-06-16 | 1951-06-16 | Improvements in or relating to electric switch devices actuated by fluid pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
GB702077A true GB702077A (en) | 1954-01-06 |
Family
ID=10053732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1513951A Expired GB702077A (en) | 1951-06-16 | 1951-06-16 | Improvements in or relating to electric switch devices actuated by fluid pressure |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB702077A (en) |
-
1951
- 1951-06-16 GB GB1513951A patent/GB702077A/en not_active Expired
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