FI75682C - På kaskadstyrning baserande förfarande för flödesreglering. - Google Patents

På kaskadstyrning baserande förfarande för flödesreglering. Download PDF

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Publication number
FI75682C
FI75682C FI863906A FI863906A FI75682C FI 75682 C FI75682 C FI 75682C FI 863906 A FI863906 A FI 863906A FI 863906 A FI863906 A FI 863906A FI 75682 C FI75682 C FI 75682C
Authority
FI
Finland
Prior art keywords
flow
valve
med
pressure
och
Prior art date
Application number
FI863906A
Other languages
English (en)
Finnish (fi)
Other versions
FI863906A0 (fi
FI75682B (fi
Inventor
Erkki Johannes Niskanen
Original Assignee
Erkki Johannes Niskanen
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 Erkki Johannes Niskanen filed Critical Erkki Johannes Niskanen
Priority to FI863906A priority Critical patent/FI75682C/sv
Publication of FI863906A0 publication Critical patent/FI863906A0/fi
Priority to PCT/FI1987/000131 priority patent/WO1988002508A1/en
Publication of FI75682B publication Critical patent/FI75682B/fi
Application granted granted Critical
Publication of FI75682C publication Critical patent/FI75682C/sv

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)
  • Control Of Fluid Pressure (AREA)
FI863906A 1986-09-26 1986-09-26 På kaskadstyrning baserande förfarande för flödesreglering. FI75682C (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI863906A FI75682C (sv) 1986-09-26 1986-09-26 På kaskadstyrning baserande förfarande för flödesreglering.
PCT/FI1987/000131 WO1988002508A1 (en) 1986-09-26 1987-09-25 Cascade-based method of controlling a fluid flow

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI863906A FI75682C (sv) 1986-09-26 1986-09-26 På kaskadstyrning baserande förfarande för flödesreglering.
FI863906 1986-09-26

Publications (3)

Publication Number Publication Date
FI863906A0 FI863906A0 (fi) 1986-09-26
FI75682B FI75682B (fi) 1988-03-31
FI75682C true FI75682C (sv) 1988-07-11

Family

ID=8523217

Family Applications (1)

Application Number Title Priority Date Filing Date
FI863906A FI75682C (sv) 1986-09-26 1986-09-26 På kaskadstyrning baserande förfarande för flödesreglering.

Country Status (2)

Country Link
FI (1) FI75682C (sv)
WO (1) WO1988002508A1 (sv)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA959327A (en) * 1971-10-20 1974-12-17 Barber-Colman Company Self-powered variable volume air damper control
US3941310A (en) * 1974-01-28 1976-03-02 Wehr Corporation Thermostatic control for use in variable air distribution systems
US4042173A (en) * 1975-09-04 1977-08-16 Barber-Colman Company Method and apparatus for controlling volume air flow
US3994434A (en) * 1975-09-04 1976-11-30 Barber-Colman Company Variable volume air damper control having a damped actuator
DE2542964A1 (de) * 1975-09-26 1977-04-07 Trox Gmbh Geb Verfahren und vorrichtung zur regelung des volumenstromes in gasdurchstroemten rohren, insbesondere klimaanlagen
US4264035A (en) * 1978-09-22 1981-04-28 Barber-Colman Company Dual reset controller
FI60069C (fi) * 1979-06-01 1981-11-10 Erkki Johannes Niskanen Foerfarande och anordning foer konstanthaollning och/eller reglering av en stroem av luft och andra gasformiga medier
DE2947216A1 (de) * 1979-11-23 1981-06-04 Regel + Meßtechnik GmbH Regler- und Anlagenbau für Gas-Druckregelung, 3500 Kassel Vorrichtung zum regeln des durchflusses stroemender medien
US4429709A (en) * 1981-10-30 1984-02-07 Niskanen Erkki J Cascade-based method and device for fluid handling and measurement
US4643353A (en) * 1985-02-19 1987-02-17 Anemostat Products Division, Dynamics Corp. Air conditioning control system with enhanced operating range

Also Published As

Publication number Publication date
WO1988002508A1 (en) 1988-04-07
FI863906A0 (fi) 1986-09-26
FI75682B (fi) 1988-03-31

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: NISKANEN, ERKKI JOHANNES