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US 12,545,445 B2Granted
Rotary wing aircraft
AssigneeThe Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
InventorsWeng Kheong Loh, Jamey D. Jacob
Life of this patent
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Abstract
A rotary wing vehicle has a vehicle body. A gimbal assembly mounted to or within the body. A propeller assembly is mounted to the gimbal. The propeller assembly has first and second fixed pitch propellers. The gimbal assembly has a first gimbal rotatable about a first axis and a second gimbal rotatable about a second axis.
Claims20
A rotary wing vehicle comprising:
- a vehicle body;
- a gimbal assembly mounted to or within the body;
- a propeller assembly mounted to the gimbal assembly, the propeller assembly comprising first and second fixed pitch propellers, the gimbal assembly comprising:
- a first gimbal member rotatable about a first axis;
- and
- a second gimbal member rotatable about a second axis perpendicular to the first axis, wherein the second gimbal member encircles the first gimbal member, and wherein the first gimbal member is rotatable about the first axis relative to the second gimbal member and is pinned to and rotatable with the second gimbal member about the second axis, and wherein the first and second propellers move with the first and second gimbals members.
3 more elements
A rotary wing vehicle comprising:
- a vehicle body;
- a rotatable thrust vectoring mechanism fixed to the vehicle body, the thrust vectoring mechanism comprising;
- an outer gimbal member rotatably mounted to the vehicle body;
- and
- an inner gimbal member encircled by the outer gimbal member and mounted to the outer gimbal member, the inner gimbal member rotatable relative to the outer gimbal member about a first axis and the outer gimbal member rotatable about a second axis perpendicular to the first axis, the inner gimbal member rotatable with the outer gimbal member about the second axis;
- a first fixed pitch propeller mounted to the inner gimbal member of the thrust vectoring mechanism and rotatable therewith;
- a second fixed pitch propeller spaced from the first fixed pitch propeller and rotatable with the thrust vectoring mechanism;
- a propeller motor assembly connected to the first and second fixed pitch propellers;
- and
- a power source mounted to the vehicle body and connected to the propeller motor assembly.
7 more elements
A rotary wing vehicle comprising:
- a vehicle body;
- a rotatable thrust vectoring mechanism mounted to the vehicle body, the thrust vectoring mechanism comprising;
- a gimbal bracket fixed to the vehicle body:
- an outer gimbal member rotatably mounted to the gimbal bracket;
- and
- an inner gimbal member encircled by the outer gimbal member and mounted thereto;
- first and second contra-rotating fixed pitch propellers mounted to the thrust vectoring mechanism and rotatable therewith:
- a propeller motor assembly connected to the first and second contra rotating fixed pitch propellers;
- and
- an on-board controller communicated with the coaxial propeller motor assembly operable to control the speed of the first and second contra-rotating fixed pitch propellers upon receiving a signal from a remote control in communication with the on-board controller.
7 more elements
Dependencies are inferred from the claim text.