Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Combined type aircraft with rotor and wings capable of being linked

An aircraft and composite technology, applied in the direction of rotorcraft, aircraft, wing adjustment, etc., can solve the problems of prone to flutter, large rotor chord, low overall structural rigidity, etc., to achieve large operating range, high operating capacity, The effect of high safety and comfort

Active Publication Date: 2016-10-26
BEIHANG UNIV
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The conversion control of vertical take-off and landing aircraft based on tilt rotor technology is complex
[0006] 2. The rotor of vertical take-off and landing aircraft based on stalled rotor technology is the main load-bearing component in the level flight mode, and the rotor generally has a relatively large span, and the overall structural stiffness is lower than that of a general fixed wing surface, which is easy to fly when the flying speed is fast. Flutter and other aeroelastic problems occur, which is not conducive to high-speed flight

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Combined type aircraft with rotor and wings capable of being linked
  • Combined type aircraft with rotor and wings capable of being linked
  • Combined type aircraft with rotor and wings capable of being linked

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] The present invention provides a kind of compound aircraft that rotor wing can be connected, such as figure 1 As shown, the aircraft includes a special type rotor 1, a support section wing 2, a vector propulsion propeller 5, a fuselage 6, an empennage 7 and a middle section wing 8, and the support section wing 8 of the middle section wing 8 and its two ends 2 forming the wings of said aircraft. Described special type rotor 1 is positioned at the top of fuselage 6 about 40% length from front to back, and the planar shape of its blade is isosceles trapezoid, and blade length and average width ratio are 6-10, compared with conventional helicopter rotor blade (long The width ratio is 15-20) wider, the root-to-tip ratio is about 0.6, and the front and rear symmetrical airfoils with a relative thickness of 8%-12% and upper and lower curves are ellip...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a combined type aircraft with a rotor and wings capable of being linked and belongs to the technical field of aviation aircraft overall and pneumatic design. The combined type aircraft comprises an aircraft body, the wings, tail wings, the special-shaped rotor and vector propellers. The wings are divided into two parts including the supporting section wings and the middle section wing. The supporting section wings are located at the two ends of the middle section wing. The combined type aircraft has the vertical take-off and landing capacity and the high-speed flat flying capacity at the same time, and the two modes can be switched in the air; and the flat flying speed, the voyage and the endurance are improved by about 50% compared with those of a conventional helicopter, the wider operation range and the higher operation capacity are achieved, and the helicopter can be replaced with the aircraft in future.

Description

technical field [0001] The present invention proposes a new-concept aircraft that forms a double-wing layout by folding the wings of a composite vertical take-off and landing aircraft with fixed rotors and fixed rotors to achieve excellent vertical take-off and landing and high-speed level flight performance. Aerodynamic design technology field. Background technique [0002] For conventional helicopters, due to the asymmetric airflow of the rotor in the forward flight working environment, the maximum forward flight speed is affected by the compression of the forward blades and the airflow separation of the backward blades. The maximum cruising speed is usually around 300km / h; Airplanes cannot hover and fly at low speeds. The compound helicopter combines the flight characteristics of the helicopter and the fixed-wing aircraft, thereby having both capabilities. Its application prospect is very broad and its economic prospect is good. There are mature vertical take-off and la...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B64C27/22B64C27/26B64C3/56
CPCB64C3/56B64C27/22B64C27/26
Inventor 严德王耀坤张啸迟余长坤李道春万志强蒋崇文鲍蕊
Owner BEIHANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com