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DE6940421U - PROPELLER WITH REDUCED AIR RESISTANCE - Google Patents

PROPELLER WITH REDUCED AIR RESISTANCE

Info

Publication number
DE6940421U
DE6940421U DE6940421U DE6940421U DE6940421U DE 6940421 U DE6940421 U DE 6940421U DE 6940421 U DE6940421 U DE 6940421U DE 6940421 U DE6940421 U DE 6940421U DE 6940421 U DE6940421 U DE 6940421U
Authority
DE
Germany
Prior art keywords
propeller
air resistance
reduced air
heinrich
fur
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
DE6940421U
Other languages
German (de)
Inventor
Heinrich Hennigs
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE6940421U priority Critical patent/DE6940421U/en
Publication of DE6940421U publication Critical patent/DE6940421U/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/10—Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Complex Calculations (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

•3 1 Hi»• 3 1 Hi »

Heinrich: HeAnIj^Heinrich: HeAnIj ^

**lBaäk** lBaäk

»IPK£H VEG“IPK £ H VEG

Pstentant
8goo Häschen 2 Pstentant
8goo bunny 2

Spork-Eichholz, den J.o.lo.69Spork-Eichholz, the J.o.lo. 69

zur· Gebrauciis3tist;era2Eieldxing vca ±3*1.0.69 for usage; era2Eieldxing vca ± 3 * 1.0.69

für Luftschrauben nit; verslndegteia Luftwiderstand und besserer Wirtschaftlichkeit, gekennzeicimet dareli die Besciilchtuiis aller üblichen Luftschrauben jaif; synthetisches Pelz auf der nach auSea ( !convey: ) gesröibten Seite des Loftschraubenproflles. Dieser kurzhaarige Pelz ^lrd ±n Handel als " Kurzpolrare a bezeichnet. Sie relativ kurzan Pelzhaare sind in Strösungsrlchtung der der Luftscliraube unströaenden Luft orientiert. Felzhaarstärke und pelzhaarlänge sind abhängig; von der U^aofgescirarinaigkeit der Luftschraube und der optiaal aögüchen Siderstandsvercainderang.for propellers nit; verslndegteia air resistance and better economy, gekennzeicimet dareli the Besciilchtuiis of all common propellers jaif; Synthetic fur on the outwardly ( ! convey:) grooved side of the loft screw profile. This short-haired fur ^ lrd ± n denotes the trade as "Kurzpolrare a They are relatively Quick Start Guide fur hair in Strösungsrlchtung the unströaenden the Luftscliraube air oriented Felzhaarstärke and fur hair length are dependent;.. From the U ^ aofgescirarinaigkeit the propeller and the optiaal aögüchen Siderstandsvercainderang.

Claims (1)

Heinrich HennigsHeinrich Hennigs 4931 Ediholrb. Detmold HiKENVEG 7 4931 Ediholrb. Detmold HiKENVEG 7 An dasTo the Deutsche PatentastGerman patent branch 8000 München 2 Zssiorlekenstr. 228000 Munich 2 Zssiorlekenstr. 22nd Spors-Sicaholz, den 2;?. 1. 1970Spors-Sica wood, the 2;?. 1. 1970 Betr. : Gebrauclisrsnsterannieldung von 13-1ο.ό9-11 Tji-f1is;ahT-jaiineTn sit vsraindafiigis Re. : Gebrauclisrsnsterannieldung of 13-1ο.ό9- 11 Tji-F1iS; AHT-jaiineTn sit vsr aind afiigis Aktenzeichen : G 69 4o 421 - 5 72ol Bezug : liire ifachricht vom !9*l*7oFile number: G 69 4o 421-5 72ol Reference: liire ifmessage dated! 9 * l * 7o ScflützansprachScflützansprach Der Schutzanncrach ist gekennzeichnet durch, die Beschichtung aller üblichen Luftschrauben sslt synthetischem Pelz auf der konvez gewölbten Seite des Luftschraubenproflles.The protective cover is characterized by the coating of all common propellers made of synthetic fur on the convex side of the propeller profile.
DE6940421U 1969-10-13 1969-10-13 PROPELLER WITH REDUCED AIR RESISTANCE Expired DE6940421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE6940421U DE6940421U (en) 1969-10-13 1969-10-13 PROPELLER WITH REDUCED AIR RESISTANCE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE6940421U DE6940421U (en) 1969-10-13 1969-10-13 PROPELLER WITH REDUCED AIR RESISTANCE

Publications (1)

Publication Number Publication Date
DE6940421U true DE6940421U (en) 1970-04-16

Family

ID=34125878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE6940421U Expired DE6940421U (en) 1969-10-13 1969-10-13 PROPELLER WITH REDUCED AIR RESISTANCE

Country Status (1)

Country Link
DE (1) DE6940421U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716717A1 (en) * 1986-05-19 1987-11-26 Usui Kokusai Sangyo Kk BLADES FOR HIGH-SPEED PROPELLER FANS
DE3716718A1 (en) * 1986-05-19 1987-11-26 Usui Kokusai Sangyo Kk LOW SPEED PROPELLER FANS
DE4206066A1 (en) * 1992-02-27 1993-09-02 Fritz Karl Hausser Propeller or rotor blades - are designed to reduce eddies and air or water resistance and have toothed leading and trailing edges
DE4208751A1 (en) * 1992-02-27 1993-11-11 Fritz Karl Hausser Reducing resistance to aerofoil or hydrofoil passing through medium e.g. air or water - uses array of teeth formed on leading and/or trailing edge of aerofoil or hydrofoil section
DE102010050116A1 (en) * 2010-10-29 2012-05-03 Liebherr-Hausgeräte Ochsenhausen GmbH Ventilator for use in refrigeration-and/or freezing device, has blade rotated by drive unit and comprising edges and/or blade surface, where edges and/or blade surface are sectionally or completely provided with fibers or fringes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716717A1 (en) * 1986-05-19 1987-11-26 Usui Kokusai Sangyo Kk BLADES FOR HIGH-SPEED PROPELLER FANS
DE3716718A1 (en) * 1986-05-19 1987-11-26 Usui Kokusai Sangyo Kk LOW SPEED PROPELLER FANS
DE4206066A1 (en) * 1992-02-27 1993-09-02 Fritz Karl Hausser Propeller or rotor blades - are designed to reduce eddies and air or water resistance and have toothed leading and trailing edges
DE4208751A1 (en) * 1992-02-27 1993-11-11 Fritz Karl Hausser Reducing resistance to aerofoil or hydrofoil passing through medium e.g. air or water - uses array of teeth formed on leading and/or trailing edge of aerofoil or hydrofoil section
DE102010050116A1 (en) * 2010-10-29 2012-05-03 Liebherr-Hausgeräte Ochsenhausen GmbH Ventilator for use in refrigeration-and/or freezing device, has blade rotated by drive unit and comprising edges and/or blade surface, where edges and/or blade surface are sectionally or completely provided with fibers or fringes

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