STREAMLINE SUBMERSIBLE VEHICLE WITH INTERNAL PROPULSION AND A MULTIDIRECTIONAL THRUST VECTORING MECHANISM FOR STEERING
A streamline submersible vehicle having an internal propulsion system and a multidirectional thrust vectoring mechanism for steering.
STATEMENT OF RELATED APPLICATIONS
This patent application is based on and claims the benefit of U.S. Provisional Patent Application No. 61/321,728 having a filing date of 7 Apr. 2010, which is incorporated herein in its entirety by this reference.
BACKGROUND OF THE INVENTION1. Technical Field
This invention is generally related to the field of submersible vehicles and more specifically related to the field of submersible vehicles having internal propulsion systems using thrust vectoring mechanisms for steering.
2. Prior Art
Most high speed submersible vehicles rely on external control surfaces for steering and exposed propeller blades for propulsion. Such vehicles pose danger to surrounding marine wildlife due to exposed hardware and are often slow maneuvering. Marine vehicles utilizing internal propulsion do not offer three dimensional (3D) thrust vectoring, and the 3D thrust vectoring systems used on jet airplanes have a very complex mechanical structure, are expensive, and difficult to assemble. These factors make them not practical for use on submersible vessels.
To the best of the inventors' knowledge, the specific problem of 3D thrust vectoring in underwater vehicles with internal propulsion has not yet been addressed. For example, maritime vehicles such as jet skis offer only 2D thrust vectoring (yaw axis).
Thus, it can be seen that a streamlined submersible vehicle with an internal propulsion system and a multidirectional thrust vectoring mechanism for steering would be useful, novel and not obvious, and a significant improvement over the prior art. It is to such a vehicle that the current invention is directed.
BRIEF SUMMARY OF THE INVENTIONThe invention comprises a vehicle with a fully internal propulsion and steering system, utilizing a multidirectional (3D) thrust vectoring mechanism for attitude control. The vehicle is highly maneuverable, even at high speeds, and the smooth hull and lack of exposed hardware provides for safe operation around sea animals.
The invention comprises a streamlined hull preferably having no protruding appendages. The propulsion system and any scientific instrumentation, cameras, cargo, etcetera are contained completely within the hull. The multidirectional thrust vectoring system is located at the stern of the vehicle and is controlled by instrumentation and mechanisms contained within the hull. The hull has at least one water intake located to provide water to the propulsion system. The water intake can be located on the side of the hull.
In operation, water is taken into the propulsion system through the water intake and ejected out through the multidirectional thrust vectoring mechanism. When the multidirectional thrust vectoring mechanism is in the neutral position (herein defined as pointing straight astern relative to an axial line of the vehicle), water being ejected through the multidirectional thrust vectoring mechanism causes the vehicle to travel in the axial direction forwards (herein defined as along the z-axis). The multidirectional thrust vectoring mechanism can be rotated in the yaw axis (x-axis) and the pitch axis (y-axis) directions (about the longitudinal axis or z-axis), thus causing the water being ejected through the multidirectional thrust vectoring system to be ejected at an angle to the z-axis, thus inducing steering of the vehicle. As the multidirectional thrust vectoring mechanism can be rotated about an entire circle or spherical chord, the vehicle can be steered at any angle relative to the z-axis without the need for external rudders, fins, paddles, or propellers.
These and other objects, features, and advantages of the present invention will become more apparent to those of ordinary skill in the art when the following detailed description of the preferred embodiments is read in conjunction with the appended figures.
Referring now to
The propulsion system 14 and any scientific instrumentation, cameras, cargo, etcetera are contained completely within the hull 12. The multidirectional thrust vectoring system 16 is located at the stern 18 of the vehicle 10 and is controlled by instrumentation and mechanisms contained within the hull 12. The hull 12 has at least one water intake 20 located to provide water to the propulsion system 14. The water intake 20 can be located on the side of the hull 12.
Water is drawn into the aft section 22, by a propulsion thruster 30 housed inside the aft section 22, through the water intakes 20, and is pushed out through the multidirectional thrust vectoring mechanism 16. Orienting the multidirectional thrust vectoring mechanism 16 via linear actuators 24 provides steering control of the vehicle 10, including pitch and yaw control.
Referring now to
Referring now to
Referring now to
The linear actuators 24 shown are pushrod-like bars used to actuate the multidirectional thrust vectoring mechanism 16. The linear actuators 24 are force transmission elements used to move the multidirectional thrust vectoring mechanism 16. The linear actuators 24 connect the multidirectional thrust vectoring mechanism 16 to motors located in the middle section of the vehicle 10 (seen as the opaque region in FIG. 1). The linear actuators 24 used in this design are pushrods, but may be replaced with cables or any other type of force transmission element. The motors inside the middle section of the vehicle 10 can be servomotors and also may be interchanged for something similar. At least two linear actuators 24 are required to actuate the multidirectional thrust vectoring mechanism 16, and springs or something similar may be used to compensate for the lack of the other actuators. Other types of kinematic devices for force transmission can be used and the invention is not limited to the use of linear actuators 24. For instance, pulley systems using cables or wire, springs, magnetic actuators, and other actuating devices suitable for force transmission.
When the multidirectional thrust vectoring mechanism 16 is in the neutral position (herein defined as pointing straight astern relative to an axial line of the vehicle as shown in
The propulsion thruster 30 shown is an internal propeller located between the intake 20 and the multidirectional thrust vectoring mechanism 16. Other thrust generating devices can be used and the invention is not limited to an internal propeller. For example, centrifugal fans, reciprocating solenoids, and any other such pumping or thrusting device suitable for use in propulsion.
The vehicle 10 as a whole may be safely used around sea animals such as walruses, seals, and sea lions, whether in captivity or in the wild. This may provide a safe means to study the animal or to perform non-animal related missions, including environmental mapping in densely populated marine environments without threatening wildlife.
The vehicle 10 may be deployed into regions densely packed with loose sea weeds or debris, which would easily jam a traditional spinning propeller or break a control surface, therefore permanently immobilizing the vehicle. Further, the vehicle 10 is designed to easily pass through tight openings without risking collision of external hardware with terrain, which would once again cause immobilization. Additionally, the vehicle 10 can be used as a fast and highly maneuverable military vessel (autonomous or remotely controlled) for sea mine scouting or similar military oriented mission.
While the invention has been described in connection with certain preferred embodiments, it is not intended to limit the spirit or scope of the invention to the particular forms set forth, but is intended to cover such alternatives, modifications, and equivalents as may be included within the true spirit and scope of the invention as defined by the appended claims.
Claims
1. A submersible vehicle as disclosed herein.
2. A streamline submersible vehicle comprising:
- a. an internal propulsion mechanism; and
- b. a multidirectional thrust vectoring mechanism for steering.
3. A vehicle comprising:
- a. an internal propulsion mechanism; and
- b. a multidirectional thrust vectoring mechanism for steering.
4. A multidirectional thrust vectoring mechanism for steering vehicles.
5. A multidirectional thrust vectoring mechanism for directing thrust.
6. A multidirectional thrust vectoring mechanism for directing fluids.
Type: Application
Filed: Apr 6, 2011
Publication Date: Jun 7, 2012
Inventors: Maurizio Porfiri (Brooklyn, NY), Vladislav Kopman (New York, NY), Nicholas Cavaliere (Hauppauge, NY)
Application Number: 13/080,700
International Classification: B63G 8/08 (20060101); B63G 8/00 (20060101);