IL44419A - Gas-dynamic ventilation device - Google Patents

Gas-dynamic ventilation device

Info

Publication number
IL44419A
IL44419A IL44419A IL4441974A IL44419A IL 44419 A IL44419 A IL 44419A IL 44419 A IL44419 A IL 44419A IL 4441974 A IL4441974 A IL 4441974A IL 44419 A IL44419 A IL 44419A
Authority
IL
Israel
Prior art keywords
obturator
channel
prime
nozzle
ejection channel
Prior art date
Application number
IL44419A
Other languages
English (en)
Other versions
IL44419A0 (en
Original Assignee
Inst Pentru Creatie Stintific
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 claimed from RO7434773A external-priority patent/RO56670A2/ro
Priority claimed from RO75160A external-priority patent/RO56671A3/ro
Application filed by Inst Pentru Creatie Stintific filed Critical Inst Pentru Creatie Stintific
Publication of IL44419A0 publication Critical patent/IL44419A0/xx
Publication of IL44419A publication Critical patent/IL44419A/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48Control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control 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
    • F24F11/745Control 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 the air flow rate increasing with an increase of air-current or wind pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/26Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Nozzles (AREA)
  • Jet Pumps And Other Pumps (AREA)
IL44419A 1973-04-02 1974-03-13 Gas-dynamic ventilation device IL44419A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RO7434773A RO56670A2 (de) 1973-04-02 1973-04-02
RO75160A RO56671A3 (de) 1973-06-18 1973-06-18

Publications (2)

Publication Number Publication Date
IL44419A0 IL44419A0 (en) 1974-06-30
IL44419A true IL44419A (en) 1977-10-31

Family

ID=26653517

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44419A IL44419A (en) 1973-04-02 1974-03-13 Gas-dynamic ventilation device

Country Status (9)

Country Link
JP (1) JPS49128535A (de)
AT (1) AT332600B (de)
DD (1) DD110548A5 (de)
DE (1) DE2410845A1 (de)
FR (1) FR2257873B1 (de)
GB (1) GB1445221A (de)
IL (1) IL44419A (de)
IT (1) IT1009690B (de)
NL (1) NL7404197A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280334A (en) * 1975-12-27 1977-07-06 Mitsui Petrochem Ind Ltd Method of adhering polyolefin and polar substrate
US4281592A (en) * 1979-08-06 1981-08-04 Barber-Colman Company Double induction unit
GB2424061A (en) * 2005-03-07 2006-09-13 John Richard Coxon A ventilation device
US9593862B2 (en) * 2013-08-06 2017-03-14 General Electric Company Air disruption system for an enclosure

Also Published As

Publication number Publication date
IT1009690B (it) 1976-12-20
GB1445221A (en) 1976-08-04
AT332600B (de) 1976-10-11
JPS49128535A (de) 1974-12-09
FR2257873A1 (de) 1975-08-08
ATA18574A (de) 1976-01-15
DE2410845A1 (de) 1974-10-31
NL7404197A (de) 1974-10-04
FR2257873B1 (de) 1979-01-26
IL44419A0 (en) 1974-06-30
DD110548A5 (de) 1974-12-20

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