NL169224B - CONTROL DEVICE FOR CONSTANTLY KEEPING THE VOLUME FLOW OF A GASEOUS MEDIUM. - Google Patents

CONTROL DEVICE FOR CONSTANTLY KEEPING THE VOLUME FLOW OF A GASEOUS MEDIUM.

Info

Publication number
NL169224B
NL169224B NL7104878A NL7104878A NL169224B NL 169224 B NL169224 B NL 169224B NL 7104878 A NL7104878 A NL 7104878A NL 7104878 A NL7104878 A NL 7104878A NL 169224 B NL169224 B NL 169224B
Authority
NL
Netherlands
Prior art keywords
control device
volume flow
gaseous medium
constantly keeping
constantly
Prior art date
Application number
NL7104878A
Other languages
Dutch (nl)
Other versions
NL169224C (en
NL7104878A (en
Original Assignee
Rox Lufttechnische Geraetebau
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 Rox Lufttechnische Geraetebau filed Critical Rox Lufttechnische Geraetebau
Publication of NL7104878A publication Critical patent/NL7104878A/xx
Publication of NL169224B publication Critical patent/NL169224B/en
Application granted granted Critical
Publication of NL169224C publication Critical patent/NL169224C/en

Links

Classifications

    • 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
    • G05D7/0133—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path
    • 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
    • F24F11/75—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 for maintaining constant air flow rate or air velocity

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Fluid Pressure (AREA)
  • Flow Control (AREA)
NLAANVRAGE7104878,A 1970-04-24 1971-04-13 CONTROL DEVICE FOR CONSTANTLY KEEPING THE VOLUME FLOW OF A GASEOUS MEDIUM. NL169224C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2019862A DE2019862C3 (en) 1970-04-24 1970-04-24 Regulator to keep the volume flow constant for gaseous media, especially for high pressure air conditioning systems

Publications (3)

Publication Number Publication Date
NL7104878A NL7104878A (en) 1971-10-26
NL169224B true NL169224B (en) 1982-01-18
NL169224C NL169224C (en) 1982-06-16

Family

ID=5769077

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7104878,A NL169224C (en) 1970-04-24 1971-04-13 CONTROL DEVICE FOR CONSTANTLY KEEPING THE VOLUME FLOW OF A GASEOUS MEDIUM.

Country Status (7)

Country Link
AT (1) AT322155B (en)
BE (1) BE766076A (en)
DE (1) DE2019862C3 (en)
FR (1) FR2090603A5 (en)
GB (1) GB1349363A (en)
NL (1) NL169224C (en)
SE (1) SE7105398L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440192A (en) * 1982-09-23 1984-04-03 United Technologies Corporation Minimization of pressure drop variation in flow controllers
DK457382A (en) * 1982-10-15 1984-04-16 Staehr Turbovent VENTILATION SYSTEM WITH SPREADING NOZZERS, NECESSARY FOR HOUSE BUILDINGS
DE3509255C2 (en) * 1985-03-14 1994-05-11 Rox Lufttechnische Geraetebau Volume flow controller for gaseous media
FI74798C (en) * 1985-09-27 1988-03-10 Halton Oy Standard air flow valve and method for regulating a standard air flow valve.
US11513540B2 (en) 2017-07-19 2022-11-29 Imi Hydronic Engineering, Inc. Pressure compensated flow controller with only two pressures

Also Published As

Publication number Publication date
DE2019862C3 (en) 1980-06-26
DE2019862B2 (en) 1979-10-11
FR2090603A5 (en) 1972-01-14
BE766076A (en) 1971-10-21
GB1349363A (en) 1974-04-03
NL169224C (en) 1982-06-16
DE2019862A1 (en) 1971-11-04
NL7104878A (en) 1971-10-26
AT322155B (en) 1975-05-12
SE7105398L (en) 1971-10-25

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee