GB1291579A - Improvements in electric switches - Google Patents
Improvements in electric switchesInfo
- Publication number
- GB1291579A GB1291579A GB5065869A GB5065869A GB1291579A GB 1291579 A GB1291579 A GB 1291579A GB 5065869 A GB5065869 A GB 5065869A GB 5065869 A GB5065869 A GB 5065869A GB 1291579 A GB1291579 A GB 1291579A
- Authority
- GB
- United Kingdom
- Prior art keywords
- venturi
- contact units
- pipe
- electric switches
- ligaments
- 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
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
- H01H35/405—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
1291579 Magnetic switches THERMAL ELECTRONICS Ltd 14 Jan 1971 [15 Got 1969] 50658/69 Heading H1N A fluid flow switch has a Venturi 20 which fits over an inlet pipe 19 and is movable away therefrom by liquid flowing from the pipe and a permanent magnet 27 mounted on the Venturi is arranged to influence alternative magnetic reed contact units 25 in the two extreme positions of the Venturi. The Venturi is mounted on a lever 21 pivotally mounted by means of cross-ligaments 22 which are not influenced by foreign matter and the contact units are mounted in a separate chamber 17.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5065869A GB1291579A (en) | 1969-10-15 | 1969-10-15 | Improvements in electric switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5065869A GB1291579A (en) | 1969-10-15 | 1969-10-15 | Improvements in electric switches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1291579A true GB1291579A (en) | 1972-10-04 |
Family
ID=10456833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5065869A Expired GB1291579A (en) | 1969-10-15 | 1969-10-15 | Improvements in electric switches |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1291579A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831350A (en) * | 1987-11-30 | 1989-05-16 | Proximity Controls, Inc. | Rotary shaft position reed switch |
-
1969
- 1969-10-15 GB GB5065869A patent/GB1291579A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831350A (en) * | 1987-11-30 | 1989-05-16 | Proximity Controls, Inc. | Rotary shaft position reed switch |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1415109A (en) | Flow indicator | |
US3134404A (en) | Electro-magnetically operated floating armature valves | |
GB1291579A (en) | Improvements in electric switches | |
GB1388845A (en) | Magnet switch for liquid containers | |
GB1106690A (en) | Improvements in or relating to detection apparatus | |
GB669932A (en) | Improvements in float-operated electric switches | |
GB1396874A (en) | Magnetic alarm arrangements | |
GB848727A (en) | Switch apparatus responsive to liquid flow | |
GB1088427A (en) | Fluid flow switch | |
GB1188009A (en) | Magnetic Proximity Switch. | |
GB1167180A (en) | Improvements in or relating to Movable Magnet Electric Switches. | |
US3546404A (en) | Switch actuated by fluid flow | |
GB1182322A (en) | Transducer Unit | |
KR800001777Y1 (en) | Gas safety switch using magnetic | |
GB1211195A (en) | Improvements in or relating to liquid level detection devices | |
FR2346621A1 (en) | Flow rate control device - has resilient flexible wall portion obstructing flow | |
GB1173035A (en) | Improvements in Magnetic Switches | |
GB956421A (en) | Dispensing measured volumes of liquid | |
GB476114A (en) | Improvements in liquid level controls and/or indicators | |
GB590945A (en) | Alarm for flow meters and other instruments | |
GB1168048A (en) | Electric Switching Devices | |
GB1149904A (en) | Fluid amplifier with adjustable positive feedback | |
GB1202438A (en) | Fluid pressure operated switch | |
SU406125A1 (en) | BALL FLOW METER | |
GB1299704A (en) | Milk flow indicator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |