VARIABLE GEOMETRY PASSIVE STEERING SYSTEM THAT INCREASES TWO-DIRECTIONAL THRUST EFFICIENCY FOR VEHICLES MOVING IN FLUID MEDIA.

Abstract

The invention relates to a nozzle design for motors that generate thrust in fluid media using the law of action and reaction via a propeller; designed to increase efficiency in both forward and reverse thrust based on Bernoulli's principle; and which, by exhibiting the opening and closing movement of passive valves due to pressure difference, enables the motor to draw fluid from a wide area while generating thrust from a narrow area.

Description

1 TARIFF DOUBLE-DIRECTIONAL PROPULSION FOR VEHICLES MOVING IN FLUID MEDIA. PASSIVE ORIENTATION WITH VARIABLE GEOMETRY THAT INCREASES EFFICIENCY SYSTEM 5 Technical Area The invention is a propeller that generates thrust in fluid media by utilizing the law of action and reaction. In their systems, efficiency increase in both forward and reverse thrust is based on Bernoulli's principle. Designed for this purpose; by exhibiting the opening and closing movement of passive valves through pressure difference; The nozzle allows the motor to draw fluid from a wide area while causing thrust through a narrow area. It is related to design. State of the Art 15 Today, propellers are designed to provide more efficient and linear propulsion in air and water. Nozzles are used that are positioned and regulate the flow of the fluid. Current pipe designs in technology are based primarily on the Bernoulli principle and continuity 20 These are fixed-geometry structures designed taking the equation into consideration. In these nozzle designs, The suction cross-section through which the fluid is introduced into the system is wide, while the fluid accelerates and is discharged. The outlet section becomes narrower. Thanks to this narrowing geometry, the fluid's velocity is reduced. It is increasing, thus generating a higher thrust force. In technical literature, this is referred to as... The future efficiency of structures has been documented. However, this situation in known technology is only 25 It is optimized for one-way operation. When the propeller rotates in the opposite direction, creating counter-thrust, the fluid... It is absorbed through a narrow cross-sectional area while being discharged through a wide cross-sectional area. In this case, Due to the continuity principle, the flow slows down, the flow separates at the nozzle walls, and the flow becomes intense. Turbulence occurs. In the literature, systems developed to overcome this problem, with active geometry, are used. There are nozzles that can be changed via a system. However, this active variable is 30. The geometric nozzle system increases the complexity of the system. This complexity leads to high production. and reveals maintenance costs. Another method used is suction and drive. Nozzles with equal or nearly equal cross-sectional areas offer similar advantages in both directions, however... It cannot benefit from the Venturi effect. 35 This situation is particularly relevant for vehicles with high maneuverability in both directions, such as Unmanned Underwater Vehicles (ROVs). In systems requiring high capability and energy efficiency, this leads to shorter battery life and operational delays. This leads to a reduction in the time taken and an increased risk of vehicle failure in critical tasks. For these reasons, it is necessary to optimize the flow geometry in both directions in propulsion systems. Developing a passive and efficient mechanism that can do this is of great importance. This 40 Within this scope, projects aimed at increasing the efficiency of nozzles in both directions. It needs to be improved. Consequently, the aforementioned problem has necessitated an improvement in the relevant technical field. 2 Explaining the Figures Figure 1: Right Front Perspective View when the System is Pushed to the Right. Figure 2: Right Front Perspective View when the System is Pushed to the Left 5 Figure 3: Front Perspective View When Fluid is Absorbed Figure 4: Front Perspective View of the Fluid in Push Condition Figure 5: Internal Perspective View of the System Figure 6: Top-down perspective view of the system. Figure 7: Front Perspective View of the Flap 10 Figure 8: Top Perspective View of the Flap Explanation of Reference Numbers: 1-Passive Valve 2-Assembly Path 15 3-Low Friction Support Element 4-Main Chassis 5-Propulsion System Detailed Description of the Invention: 20 The invention provides variable through passive valves (1) with passive movement capability. It is related to the geometric nozzle design. The passive valves (1) in question are part of the propulsion system (5) By utilizing the pressure difference created as a result of its operation, it eliminates the need for an external energy source. It acts passively without feeling. 25 The working principle of the invention starts with the activation of the propulsion system(5). The propulsion system(5) When the propeller inside is driven, fluid is drawn in from one direction and out from the opposite direction. Thrust is generated by pushing. In this process, there is simultaneous movement between the suction and thrust zones. A pressure difference is created. As a result of this pressure difference, a low-friction 30 Passive flaps (1) fixed to support elements (3) gain movement. Passive valves (1) on the suction side where the low pressure area is located, push by vacuum effect By approaching the center, it causes the absorption cross-section to widen. In a high-pressure area The passive valves (1) located in the area apply 35 to the valve surfaces of the pushed fluid. It is dragged away from the thrust center by the effect of dynamic pressure. This passive valve(1) The closing motion causes a reduction in the cross-sectional area in the thrust zone. In propulsion systems, the fact that the fluid inlet cross-section is wide and the outlet cross-section is narrower is called Bernoulli theory. By increasing the flow rate thanks to the Venturi effect, which occurs in accordance with this principle, the system efficiency is increased by 40. It increases. In the invention in question, the propulsion system(5) suction is independent of the direction of the fluid. It expands the thrust zone with passive force and narrows the thrust zone with passive force. In this way, the system transfers energy to thrust in both directions in fluid media such as air or water. It reduces its usage. 3 The system consists of the propulsion system(5), passive valves(1), assembly path(2) and low friction main which allows all of the support elements(3) to be fixed to a single body It has a chassis(4). The mounting path(2) with a hollow structure provides low friction support. It allows the elements(3) and passive valves(1) to move through the hollow path. It facilitates assembly by recognizing the passive flaps(1) minimum 5 low friction allows it to move and keeps it stationary on the main body. It has friction support elements (3). Maximum opening of passive flaps (1) While the angles are limited by the main chassis (4) geometry, the minimum closing angles are the thrust angles. The system(5) is mechanically constrained by its own external geometry. How the invention can be applied to industry: The "VEHICLES MOVING IN FLUID MEDIA" mentioned in detail above. PASSIVE SYSTEM WITH VARIABLE GEOMETRY THAT INCREASES TWO-WAY THRUST EFFICIENCY. The invention, "GUIDE SYSTEM," can be produced and implemented in relevant branches of industry. and is available for use.

Claims

4 REQUESTS 1. The invention describes the generation of thrust in fluid media via a propeller using the law of action and reaction. in propulsion systems that provide both forward and reverse thrust based on Bernoulli's principle Designed to increase efficiency; passive valves open and close via pressure difference. By demonstrating the movement, the engine provides fluid traction from a wide area while simultaneously providing thrust from a narrow area. The cause is the pipe design, and its characteristic feature is;  Fixed to the main body (4), the propeller drives the fluid by means of action-reaction force. to the propulsion system that produces thrust by pushing(5),  The propulsion system(5), passive valves(1), mounting path(2) and low friction 10 which allows all of the support elements(3) to be fixed to a single body to the main chassis(4),  Low-profile valves(1) that enable the passive valves(4) to be fixed on the main body(4) to the friction support element(3),  Low-groove structure to facilitate the assembly of passive valves(1) to the mounting path(2) which facilitates the mounting of the friction support elements(3), 15  Through a low-friction support element (3) on the main body (4) fixed, approaching the center of thrust on the fluid side due to the pressure difference Increasing the cross-sectional area of ​​the absorption section, and on the other side, the drag of the pushed fluid. passive thrust, which reduces the cross-sectional area of ​​the thrust section by moving away from the thrust center. to the flaps(1) 20 It is having.