United States Patent
US Patent 5503352: Light-duty box-wing aeroplane
US 5503352 ยท granted 1996-04-02
Abstract
A light-duty multipurpose aeroplane has a fuselage having a cabin at its center, a tail portion with a pusher propeller in a ring and a front portion with an all-swiveling horizontal "canard" type empennage. The wings of the aeroplane are articulated with low-mounted and high-mounted wing segments with opposite sweeps. The tips of the wing segments are connected with arrow-shaped pylons provided with heading control rudders.
| Patent Number | 5503352 |
|---|---|
| Title | Light-duty box-wing aeroplane |
| Filed | 1994-05-05 |
| Granted | 1996-04-02 |
| Inventor(s) | Eger; Vladimir S. |
| Number of Claims | 18 |
Abstract
A light-duty multipurpose aeroplane has a fuselage having a cabin at its center, a tail portion with a pusher propeller in a ring and a front portion with an all-swiveling horizontal "canard" type empennage. The wings of the aeroplane are articulated with low-mounted and high-mounted wing segments with opposite sweeps. The tips of the wing segments are connected with arrow-shaped pylons provided with heading control rudders.
Claim 1
A box-wing light-duty aircraft comprising: a fuselage having longitudinally a front portion, a central portion and a tail portion; a pusher propeller in a ring of said tail portion of said fuselage; articulated wings respectively on opposite sides of said fuselage, each of said wings having first and second wing segments of opposite wing sweeps spaced longitudinally to form a rhombus in plan and spaced heightwise, each of said first wingsegments having one end secured to said fuselage and an opposite-end tip; first and second pylons having opposite ends connected to said tips of said first and second wing segments of said wings to form respective trapezoids in a front view; pitch control means on said front portion of said fuselage; first heading control means on said tail portion of said fuselage; second heading control means respectively on said pylons; and third heading control means disposed from said tail portion of said fuselage for being in air flow created by said pusher propeller.
Claims
18 totalA box-wing light-duty aircraft comprising: a fuselage having longitudinally a front portion, a central portion and a tail portion; a pusher propeller in a ring of said tail portion of said fuselage; articulated wings respectively on opposite sides of said fuselage, each of said wings having first and second wing segments of opposite wing sweeps spaced longitudinally to form a rhombus in plan and spaced heightwise, each of said first wingsegments having one end secured to said fuselage and an opposite-end tip; first and second pylons having opposite ends connected to said tips of said first and second wing segments of said wings to form respective trapezoids in a front view; pitch control means on said front portion of said fuselage; first heading control means on said tail portion of said fuselage; second heading control means respectively on said pylons; and third heading control means disposed from said tail portion of said fuselage for being in air flow created by said pusher propeller.