Title:
ROTOR
Document Type and Number:
Japanese Patent JPS5581279
Kind Code:
A
Abstract:
A rotor for operation without the influence of flow-guiding stationary housings or channels in a flow medium contained in a space of unlimited dimensions, particularly for a wind power plant or a helicopter or an autogiro, comprising one set of rotor blades and a shroud arranged in the region of the periphery of the rotor and formed as an axially symmetrical outer annular shroud rotating in unison with the rotor. The outer annular shroud in cross-section lying in an imaginary plane extending through the rotor axis has a profile the angle of which is greater than its critical (stalling) angle of attack with respect to a flow direction extending parallel to the rotor axis. The profile is adapted to generate a lift force under the effective flow conditions given at rotation of the rotor within the operational rotational speed range, and is oriented such that its suction side forms the inner side of the annular shroud.
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Inventors:
ARUBERUTO KURINGU
Application Number:
JP15646479A
Publication Date:
June 19, 1980
Filing Date:
December 04, 1979
Export Citation:
Assignee:
KLING ALBERTO
International Classes:
B64C11/00; B64C27/20; F03D1/02; F03D1/06; F01D5/02; F04D29/32; (IPC1-7): B64C27/20; F01D5/02; F03D1/06; F04D29/32
Domestic Patent References:
| JPS4841499A | 1973-06-18 | |||
| JPS51106842A | 1976-09-22 |
Foreign References:
| DE2715729A1 | 1978-10-12 |