RU2003135815A - AIR SCREW BLADE - Google Patents

AIR SCREW BLADE Download PDF

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Publication number
RU2003135815A
RU2003135815A RU2003135815/11A RU2003135815A RU2003135815A RU 2003135815 A RU2003135815 A RU 2003135815A RU 2003135815/11 A RU2003135815/11 A RU 2003135815/11A RU 2003135815 A RU2003135815 A RU 2003135815A RU 2003135815 A RU2003135815 A RU 2003135815A
Authority
RU
Russia
Prior art keywords
profile
screw blade
air screw
sickle
chord
Prior art date
Application number
RU2003135815/11A
Other languages
Russian (ru)
Inventor
Михаил Гаврилович Тимофеев (RU)
Михаил Гаврилович Тимофеев
Игорь Михайлович Тимофеев (RU)
Игорь Михайлович Тимофеев
Иль Игоревич Тимофеев (RU)
Илья Игоревич Тимофеев
Original Assignee
Михаил Гаврилович Тимофеев (RU)
Михаил Гаврилович Тимофеев
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 Михаил Гаврилович Тимофеев (RU), Михаил Гаврилович Тимофеев filed Critical Михаил Гаврилович Тимофеев (RU)
Priority to RU2003135815/11A priority Critical patent/RU2003135815A/en
Publication of RU2003135815A publication Critical patent/RU2003135815A/en

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  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (1)

Лопасть воздушного винта, содержащая серпостреловидный аэродинамический профиль, отличающийся тем, что профиль перфорирован фигурными щелями-съемниками пограничного слоя с острым углом к носовой хорде штрих пунктиром по размаху и в шахматном порядке с увеличивающейся их проточностью, при этом острые концы фигурной щели в форме серпа расположены на хорде в сторону носовой кромки профиля.A propeller blade containing a sickle-shaped aerodynamic profile, characterized in that the profile is perforated by curly slots-strippers of the boundary layer with an acute angle to the nasal chord with a dashed line along the scale and in a checkerboard pattern with increasing flow, while the sharp ends of the curved slot in the shape of a sickle are located on the chord towards the nasal edge of the profile.
RU2003135815/11A 2003-12-09 2003-12-09 AIR SCREW BLADE RU2003135815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003135815/11A RU2003135815A (en) 2003-12-09 2003-12-09 AIR SCREW BLADE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003135815/11A RU2003135815A (en) 2003-12-09 2003-12-09 AIR SCREW BLADE

Publications (1)

Publication Number Publication Date
RU2003135815A true RU2003135815A (en) 2005-05-20

Family

ID=35820221

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003135815/11A RU2003135815A (en) 2003-12-09 2003-12-09 AIR SCREW BLADE

Country Status (1)

Country Link
RU (1) RU2003135815A (en)

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Legal Events

Date Code Title Description
FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20060609