DE6940421U - PROPELLER WITH REDUCED AIR RESISTANCE - Google Patents
PROPELLER WITH REDUCED AIR RESISTANCEInfo
- 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
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
Description
•3 1 Hi»• 3 1 Hi »
**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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3716718A1 (en) * | 1986-05-19 | 1987-11-26 | Usui Kokusai Sangyo Kk | LOW SPEED PROPELLER FANS |
DE3716717A1 (en) * | 1986-05-19 | 1987-11-26 | Usui Kokusai Sangyo Kk | BLADES FOR HIGH-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 |
-
1969
- 1969-10-13 DE DE6940421U patent/DE6940421U/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3716718A1 (en) * | 1986-05-19 | 1987-11-26 | Usui Kokusai Sangyo Kk | LOW SPEED PROPELLER FANS |
DE3716717A1 (en) * | 1986-05-19 | 1987-11-26 | Usui Kokusai Sangyo Kk | BLADES FOR HIGH-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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