GB892915A - Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates - Google Patents

Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates

Info

Publication number
GB892915A
GB892915A GB2666359A GB2666359A GB892915A GB 892915 A GB892915 A GB 892915A GB 2666359 A GB2666359 A GB 2666359A GB 2666359 A GB2666359 A GB 2666359A GB 892915 A GB892915 A GB 892915A
Authority
GB
United Kingdom
Prior art keywords
fluid
passageway
flow
plunger
magnet
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
Application number
GB2666359A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
William Coulthard & Co Lt
Original Assignee
William Coulthard & Co Lt
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US737144A priority Critical patent/US2963563A/en
Application filed by William Coulthard & Co Lt filed Critical William Coulthard & Co Lt
Priority to GB2666359A priority patent/GB892915A/en
Publication of GB892915A publication Critical patent/GB892915A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0013—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid
    • G01P13/002—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid with electrical coupling to the indicating devices
    • 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
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
    • 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)
  • General Physics & Mathematics (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

892,915. Magnetic switches. COULTHARD & CO. Ltd., WILLIAM (Houdaille Industries Inc.). Aug. 5, 1959, No. 26663/59. Class 38 (5). [Also in Group XXIX] A fluid-flow indicator comprises a body 12 having a passageway 14 through it adapted to be connected in a fluid-flow path, a plunger 48 working in the passageway or in a bushing 36 therein and biased by a spring 54 towards a position in which it closes the fluid inlet end of the passageway, and a magnet 56 movable by the plunger 48 under the action of fluid pressure acting thereon and adapted to actuate electric or electronic control means when moved a predetermined amount by fluid-flow. The bore of the passageway 14 is larger than the diameter of the magnet so that there is a space around the magnet for the flow of fluid. The bushing 36 has a port 44 positioned so as to be uncovered by the plunger 48 when it has moved a predetermined extent under the action of the fluid pressure to connect the inlet and outlet ends of the passageway 14. A magneticallyactuated switch 62 is housed in a cavity 20 in the body 12. Leads 66, 68 for the switch are connected with an electrical or electronic circuit for energizing a signal device 69 such as an indicating lamp, a horn, relays to ring phones, shut-off motors or the like.
GB2666359A 1958-05-22 1959-08-05 Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates Expired GB892915A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US737144A US2963563A (en) 1958-05-22 1958-05-22 Flow actuated signalling device for low and/or intermittent flow rates
GB2666359A GB892915A (en) 1959-08-05 1959-08-05 Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2666359A GB892915A (en) 1959-08-05 1959-08-05 Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates

Publications (1)

Publication Number Publication Date
GB892915A true GB892915A (en) 1962-04-04

Family

ID=10247210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2666359A Expired GB892915A (en) 1958-05-22 1959-08-05 Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates

Country Status (1)

Country Link
GB (1) GB892915A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440878A (en) * 1966-04-14 1969-04-29 Simmonds Precision Products Fluid quantity sensor
JPS5042274U (en) * 1973-08-14 1975-04-28
GB2189033A (en) * 1986-04-08 1987-10-14 Elf Aquitaine Fluid flow monitoring device
GB2243953A (en) * 1990-05-11 1991-11-13 Nuovo Pignone Spa Flew switch
FR2689641A1 (en) * 1992-04-01 1993-10-08 Rohee Rene Excessive fluid flow detector - has cable for linking spring-returned piston at pipe inlet to second spring at motorised outlet valve, which valve is closed due to position of magnet supported by cable.
EP2700824A3 (en) * 2012-08-23 2018-01-24 Kverneland Group Operations Norway As Valve for detection of hydraulic system status

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440878A (en) * 1966-04-14 1969-04-29 Simmonds Precision Products Fluid quantity sensor
JPS5042274U (en) * 1973-08-14 1975-04-28
GB2189033A (en) * 1986-04-08 1987-10-14 Elf Aquitaine Fluid flow monitoring device
GB2189033B (en) * 1986-04-08 1990-02-14 Elf Aquitaine Device for detecting the stoppage of fluid flow
GB2243953A (en) * 1990-05-11 1991-11-13 Nuovo Pignone Spa Flew switch
GB2243953B (en) * 1990-05-11 1994-08-24 Nuovo Pignone Spa Improved flow switch, particularly suitable for gas-fired wall boilers
FR2689641A1 (en) * 1992-04-01 1993-10-08 Rohee Rene Excessive fluid flow detector - has cable for linking spring-returned piston at pipe inlet to second spring at motorised outlet valve, which valve is closed due to position of magnet supported by cable.
EP2700824A3 (en) * 2012-08-23 2018-01-24 Kverneland Group Operations Norway As Valve for detection of hydraulic system status

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