CA1050136A - Indicateur de signalisation de temps de retard - Google Patents

Indicateur de signalisation de temps de retard

Info

Publication number
CA1050136A
CA1050136A CA228,997A CA228997A CA1050136A CA 1050136 A CA1050136 A CA 1050136A CA 228997 A CA228997 A CA 228997A CA 1050136 A CA1050136 A CA 1050136A
Authority
CA
Canada
Prior art keywords
switch
water
reservoir
responsive
predetermined
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
CA228,997A
Other languages
English (en)
Inventor
John R. Bury
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to CA228,997A priority Critical patent/CA1050136A/fr
Application granted granted Critical
Publication of CA1050136A publication Critical patent/CA1050136A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/686—Devices for dosing liquid additives
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
CA228,997A 1975-06-10 1975-06-10 Indicateur de signalisation de temps de retard Expired CA1050136A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA228,997A CA1050136A (fr) 1975-06-10 1975-06-10 Indicateur de signalisation de temps de retard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228,997A CA1050136A (fr) 1975-06-10 1975-06-10 Indicateur de signalisation de temps de retard

Publications (1)

Publication Number Publication Date
CA1050136A true CA1050136A (fr) 1979-03-06

Family

ID=4103298

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,997A Expired CA1050136A (fr) 1975-06-10 1975-06-10 Indicateur de signalisation de temps de retard

Country Status (1)

Country Link
CA (1) CA1050136A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384523A (en) * 1980-10-23 1983-05-24 Mirachem Corporation Fountain control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384523A (en) * 1980-10-23 1983-05-24 Mirachem Corporation Fountain control system

Similar Documents

Publication Publication Date Title
US4337786A (en) Variable rate fertilizer injection system
US5251149A (en) Electronic nutating disc flow meter
US4094786A (en) Treatment control apparatus for water systems
US3867290A (en) Apparatus for chemical treatment of swimming pools
ES2063607A2 (es) Un sistema para dispensar una cantidad dosificada de un liquido.
HUT71757A (en) Method and device for automatic pulverizing of ingredients into the fuel-tank of motor vehicle
US4134834A (en) Hemodialysis apparatus
EP0161042B1 (fr) Système de remplissage automatique
US3149753A (en) Liquid dispensing machine
IE41276B1 (en) Apparatus for the measurement of a volume of milk
CA1050136A (fr) Indicateur de signalisation de temps de retard
US3583437A (en) Whiteprint duplicating machine liquid supply system
US3049142A (en) Dosing means
US4260587A (en) Pressure compensated potable water chlorinator
US4253332A (en) Sealed flow meter for in-tank installation
US4906165A (en) Flow meter for a positive displacement pump
GB1395206A (en) 'easuring out or dosing device
CA1244909A (fr) Agencement de circuit pour la regulation de l'embouteillage et le rembouteillage de liquides
US2530682A (en) Water treatment pump with measuring trap
US4056333A (en) Intravenous feeding pump failure alarm system
US1726082A (en) Water-softener device
US3817274A (en) Liquid level control device
EP0216791B1 (fr) Systemes de dosage de liquides
US3578005A (en) Water treatment apparatus
EP0109373A2 (fr) Dispositif pour la mesure d'urine