GR20080100707A - Ακτινικη προωση ρευστων-κυκλικη πτερυγα - Google Patents

Ακτινικη προωση ρευστων-κυκλικη πτερυγα

Info

Publication number
GR20080100707A
GR20080100707A GR20080100707A GR20080100707A GR20080100707A GR 20080100707 A GR20080100707 A GR 20080100707A GR 20080100707 A GR20080100707 A GR 20080100707A GR 20080100707 A GR20080100707 A GR 20080100707A GR 20080100707 A GR20080100707 A GR 20080100707A
Authority
GR
Greece
Prior art keywords
circular wing
angle
degrees
leading edge
larger
Prior art date
Application number
GR20080100707A
Other languages
English (en)
Inventor
Original Assignee
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 filed Critical
Priority to GR20080100707A priority Critical patent/GR20080100707A/el
Priority to US12/745,744 priority patent/US20100310357A1/en
Priority to PCT/GR2008/000067 priority patent/WO2009074834A1/de
Priority to EP08858729A priority patent/EP2252796A1/de
Publication of GR20080100707A publication Critical patent/GR20080100707A/el

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/06—Aircraft not otherwise provided for having disc- or ring-shaped wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/06—Aircraft not otherwise provided for having disc- or ring-shaped wings
    • B64C39/062—Aircraft not otherwise provided for having disc- or ring-shaped wings having annular wings
    • B64C39/064—Aircraft not otherwise provided for having disc- or ring-shaped wings having annular wings with radial airflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet 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
    • F04F5/16—Jet 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
  • Hydraulic Turbines (AREA)

Abstract

1. Ακτινικό (φυγοκεντρικό) σύστημα πρόωσης από ρευστά σε κίνηση, όπως υδρο-ανεμογεννητριών, το οποίο χαρακτηρίζεται τουλάχιστον: α) από μία κυκλική πτέρυγα (11) (δακτύλιος πτέρυγα, ringwing) - σε σχήμα κόλουρου κώνου - της οποίας το χείλος προσβολήςκαι το χείλος εκφυγής (αντίστοιχα περίμετρος μικρής και μεγάλης βάσης του κώνου), ορίζουν τη χορδή της αεροτομής της (ευθύ πλευρικό μήκος του κώνου), η οποία με το επίπεδο της μικρής βάσης σχηματίζει τη γωνία (φ), γωνία που ορίζει την κλίση της κυκλικής πτέρυγας (11) και β) από μια κύρια ακτινική ροή (15) πάνω από την κυκλική πτέρυγα (11), που σχηματίζει με τη χορδή της αεροτομής στο χείλος προσβολής της κυκλικής πτέρυγας (11) γωνία προσβολής (θ) - μεγαλύτερη του 0 και μικρότερη των 90 μοιρών -ιδίως μεγαλύτερη των 8 μοιρών και η οποία εξαιτίας του φαινόμενου Coanda (effect) καμπυλώνει ανάλογα με τη γωνία προσβολής (θ) και προκύπτει γ) από τουλάχιστον ένα φυγοκεντρικό έλικα (12), ο οποίος, μέσο των υπό κατάλληλη - ως προς την ακτίνα του - γωνία (μεγαλύτερη του 0 και μικρότερη των 90 μοιρών) κατανεμημένων πτερυγίων, που καταλήγουν στο χείλος προσβολής της κυκλικής πτέρυγας, μετατρέπει μέρος της ισχύος της ροής σε μηχανική και τη μεταφέρει σε ένα ρότορα (20) (π. χ. γεννήτριας ηλεκτρικούρεύματος).
GR20080100707A 2007-12-11 2008-11-03 Ακτινικη προωση ρευστων-κυκλικη πτερυγα GR20080100707A (el)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GR20080100707A GR20080100707A (el) 2008-11-03 2008-11-03 Ακτινικη προωση ρευστων-κυκλικη πτερυγα
US12/745,744 US20100310357A1 (en) 2007-12-11 2008-12-02 Ring wing-type actinic fluid drive
PCT/GR2008/000067 WO2009074834A1 (de) 2007-12-11 2008-12-02 Kreisflügel - aktinischer fluidantrieb (af)
EP08858729A EP2252796A1 (de) 2007-12-11 2008-12-02 Kreisflügel - aktinischer fluidantrieb (af)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20080100707A GR20080100707A (el) 2008-11-03 2008-11-03 Ακτινικη προωση ρευστων-κυκλικη πτερυγα

Publications (1)

Publication Number Publication Date
GR20080100707A true GR20080100707A (el) 2010-06-11

Family

ID=40790536

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20080100707A GR20080100707A (el) 2007-12-11 2008-11-03 Ακτινικη προωση ρευστων-κυκλικη πτερυγα

Country Status (1)

Country Link
GR (1) GR20080100707A (el)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397853A (en) * 1966-10-05 1968-08-20 William B. Richardson Sr. Fluid sustained vehicle
FR2082745A5 (el) * 1970-05-25 1971-12-10 Comp Generale Electricite
US3915411A (en) * 1974-07-24 1975-10-28 Distler Paul R Discoidal aircraft
US6123618A (en) * 1997-07-31 2000-09-26 Jetfan Australia Pty. Ltd. Air movement apparatus
GB2424406A (en) * 2005-03-23 2006-09-27 Gfs Projects Ltd Thrust generation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397853A (en) * 1966-10-05 1968-08-20 William B. Richardson Sr. Fluid sustained vehicle
FR2082745A5 (el) * 1970-05-25 1971-12-10 Comp Generale Electricite
US3915411A (en) * 1974-07-24 1975-10-28 Distler Paul R Discoidal aircraft
US6123618A (en) * 1997-07-31 2000-09-26 Jetfan Australia Pty. Ltd. Air movement apparatus
GB2424406A (en) * 2005-03-23 2006-09-27 Gfs Projects Ltd Thrust generation

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Effective date: 20110602