Aquatic moving body

Patent metadata

Field	Value
Publication number	US-11878769-B2
Application number	US-202217695629-A
Country	US
Kind code	B2
Filing date	Mar 15, 2022
Priority date	Mar 18, 2021
Publication date	Jan 23, 2024
Grant date	Jan 23, 2024

Abstract

The present invention provides an aquatic moving body configured to move in a state where a main body portion is floated above a water surface, comprising: a first hydrofoil and a second hydrofoil disposed along a left-and-right direction of the aquatic moving body and provided in the main body portion so as to be able to change elevation angles independently of each other; a first propulsion unit provided at an end portion of the first hydrofoil and configured to generate a propulsive force; and a second propulsion unit provided at an end portion of the second hydrofoil and configured to generate a propulsive force, wherein a first partition wall is provided between the first hydrofoil and the first propulsion unit, and a second partition wall is provided between the second hydrofoil and the second propulsion unit.

First claim

What is claimed is:

1. An aquatic moving body configured to move in a state where a main body portion is floated above a water surface, comprising:
a first hydrofoil and a second hydrofoil disposed along a left-and-right direction of the aquatic moving body and provided in the main body portion so as to be able to change elevation angles independently of each other;
a first propulsion unit provided at an end portion of the first hydrofoil and configured to generate a propulsive force; and
a second propulsion unit provided at an end portion of the second hydrofoil and configured to generate a propulsive force,
wherein a first partition wall for separating a water flow around the first hydrofoil and a water flow generated by the first propulsion unit is provided between the first hydrofoil and the first propulsion unit, and
wherein a second partition wall for separating a water flow around the second hydrofoil and a water flow generated by the second propulsion unit is provided between the second hydrofoil and the second propulsion unit.

2. The aquatic moving body according to claim 1 , wherein
the first propulsion unit is attached to the first partition wall, and
the second propulsion unit is attached to the second partition wall.

3. The aquatic moving body according to claim 1 , wherein
the first propulsion unit is provided at an end portion of the first hydrofoil on a side of the second hydrofoil, and
the second propulsion unit is provided at an end portion of the second hydrofoil on a side of the first hydrofoil.

4. The aquatic moving body according to claim 1 , wherein
the first propulsion unit is provided at an end portion of the first hydrofoil on a side opposite to the second hydrofoil, and
the second propulsion unit is provided at an end portion of the second hydrofoil on a side opposite to the first hydrofoil.

5. The aquatic moving body according to claim 1 , further comprising
a support member attached to a lower portion of the main body portion and configured to pivotably support the first hydrofoil and the second hydrofoil,
wherein the first hydrofoil and the second hydrofoil are disposed so as to sandwich the support member in the left-and-right direction.

6. The aquatic moving body according to claim 1 , wherein
the first propulsion unit includes: a first upper propulsor disposed above the first hydrofoil in an up-and-down direction of the aquatic moving body; and a first lower propulsor disposed below the first hydrofoil in the up-and-down direction, and
the second propulsion unit includes: a second upper propulsor disposed above the second hydrofoil in the up-and-down direction; and a second lower propulsor disposed below the second hydrofoil in the up-and-down direction.

7. The aquatic moving body according to claim 6 , wherein
the first hydrofoil is configured such that an elevation angle changes according to an output difference between the first upper propulsor and the first lower propulsor, and
the second hydrofoil is configured such that an elevation angle changes according to an output difference between the second upper propulsor and the second lower propulsor.

8. The aquatic moving body according to claim 6 , further comprising a controller configured to control a posture of the main body portion by adjusting output balance of the first upper propulsor, the first lower propulsor, the second upper propulsor, and the second lower propulsor.

9. The aquatic moving body according to claim 8 , wherein the controller is configured to control rolling of the main body portion by adjusting a difference between an output difference between the first upper propulsor and the first lower propulsor and an output difference between the second upper propulsor and the second lower propulsor.

10. The aquatic moving body according to claim 8 , wherein the controller is configured to control pitching of the main body portion by adjusting a difference between a resultant of outputs of the first upper propulsor and the second upper propulsor and a resultant of outputs of the first lower propulsor and the second lower propulsor.

11. The aquatic moving body according to claim 8 , wherein the controller is configured to control yawing of the main body portion by adjusting an output difference between the first propulsion unit and the second propulsion unit.

12. The aquatic moving body according to claim 1 , further comprising a third hydrofoil fixed to the main body portion behind the first hydrofoil and the second hydrofoil.

13. The aquatic moving body according to claim 1 , wherein the aquatic moving body is a ship configured to move in a state where a hull as the main body portion is floated above a water surface.

Assignees

• Honda Motor Co Ltd

Inventors

• Itai Ryosuke

Classifications

• B63B1/246 Primary

  Arrangements of propulsion elements · CPC title

• B63B1/248

  Shape, hydrodynamic features, construction of the foil · CPC title

• B63B1/26

  having more than one hydrofoil (B63B1/28 takes precedence) · CPC title

• B63B1/285

  changing the angle of attack or the lift of the foil · CPC title