FR864854A - Method and means for automatically starting, stopping and regulating the speed of pumps, fans or the like, working in parallel - Google Patents

Method and means for automatically starting, stopping and regulating the speed of pumps, fans or the like, working in parallel

Info

Publication number
FR864854A
FR864854A FR864854DA FR864854A FR 864854 A FR864854 A FR 864854A FR 864854D A FR864854D A FR 864854DA FR 864854 A FR864854 A FR 864854A
Authority
FR
France
Prior art keywords
fans
pumps
stopping
regulating
working
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
Other languages
French (fr)
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken AB
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 Svenska Flaktfabriken AB filed Critical Svenska Flaktfabriken AB
Application granted granted Critical
Publication of FR864854A publication Critical patent/FR864854A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/005—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by changing flow path between different stages or between a plurality of compressors; Load distribution between compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR864854D 1939-01-07 1940-01-11 Method and means for automatically starting, stopping and regulating the speed of pumps, fans or the like, working in parallel Expired FR864854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE864854X 1939-01-07

Publications (1)

Publication Number Publication Date
FR864854A true FR864854A (en) 1941-05-07

Family

ID=20366952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864854D Expired FR864854A (en) 1939-01-07 1940-01-11 Method and means for automatically starting, stopping and regulating the speed of pumps, fans or the like, working in parallel

Country Status (1)

Country Link
FR (1) FR864854A (en)

Similar Documents

Publication Publication Date Title
CH258621A (en) Method for determining the degree of roughness of a surface and device for carrying out this method.
FR892297A (en) Method for establishing balanced rotors, in particular for gyroscopes
FR862388A (en) Device for synchronizing the speed of rotation of a rotating body
FR857780A (en) Method and device for propulsion
FR864854A (en) Method and means for automatically starting, stopping and regulating the speed of pumps, fans or the like, working in parallel
FR862359A (en) Speed regulator for machines
FR876791A (en) Method and installation for carrying out dialysis of the latex
FR848443A (en) Speed regulator
SU33666A1 (en) Circular saw machine
FR849673A (en) Method and device for the production of urea
FR861775A (en) Priming system for centrifugal pumps
FR864886A (en) Method and machine for finishing toothed wheels
FR947822A (en) Method and device for regulating the flow rate of lubricating pumps
CH254030A (en) Method and machine for machining drills.
FR861073A (en) Method and device for increasing the useful effect of propellers, aeromotors, etc.
FR884374A (en) Device for obtaining a constant speed from a hydraulic motor, whatever the required motor effort
FR869100A (en) Method and machine for girdling shells or the like
FR859269A (en) Method for the excitation of oscillating systems
FR871182A (en) Improvements in process and machinery for coating reflective surfaces
FR856930A (en) Device for adjusting the speed of machines
FR874645A (en) Device for regulating the speed of electric machines with collector
FR852050A (en) Method and device for regulating the speed of motors using the action of speed and the action of acceleration at the same time
FR873939A (en) Device for bringing the rotating parts to be coupled to the same speed of rotation
FR880967A (en) Bucket for snails or the like
FR883620A (en) Speed change for cycles and the like