Transverse leaf spring mounting system for lightweight electric vehicles.
Patent Information
- Authority / Receiving Office
- TR · TR
- Patent Type
- Patents
- Current Assignee / Owner
- DOKUZ EYLÜL ÜNİVERSİTESİ REKTÖRLÜĞÜ STRATEJİ GELİŞ.DAİ.BAŞK
- Filing Date
- 2024-11-04
- Publication Date
- 2026-06-22
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Abstract
Description
1 TARIFF CROSS-LEAF SPRING MOUNTING SYSTEM FOR LIGHT ELECTRIC VEHICLES The technical field to which the invention relates: The invention provides energy efficiency and increased volume in lightweight electric vehicles, and facilitates their installation and... Lightweight electric solar 5, easy to install, requires no regular adjustment or maintenance. Fiber-reinforced polymer matrix composite in the double wishbone front suspension of the powered vehicle. It relates to the transverse leaf spring assembly system. State of the art: Electric vehicles, whose use is becoming widespread with the development of technology, offer increased performance and This also brings with it issues such as energy efficiency and engineering related to the subject. 10 This has accelerated their work. Solar-powered lightweight electric vehicles offer environmentally friendly and energy-efficient transportation. These solutions are attracting attention. These vehicles are equipped with solar panels. It uses renewable energy sources to power its electric motors. Generally small and lightweight, they are ideal for short-distance urban transport (15). They are designed for both individual use and urban mobility solutions. They play an important role. Solar energy is used on the roofs of these vehicles and in some cases They convert electrical energy through photovoltaic panels located on their bodywork. This energy is converted and directly supplies power to the vehicle's battery, charging it. and enables the electric motor to operate. When there is sufficient sunlight, 20 by helping the battery last longer, reducing dependence on fossil fuels. This reduces the use of lightweight electric vehicles, which generally utilize low-weight materials and composites. It is manufactured using materials such as aluminum and carbon fiber. These materials, Reducing weight reduces energy consumption and battery load, thus increasing range. It is increasing. 25 Suspension systems in vehicles absorb kinetic shocks from the road, improving the driving experience. This ensures that the suspension system is safe and trouble-free. 2 Springs are one of the features of the vehicle; they maintain the vehicle's ground clearance at a certain level. It controls the load and the distribution of kinetic energy transferred from the road via the wheels. It performs its function by flexing and expanding. Another aspect of the suspension system... Shock absorbers, which are components of shock absorbers, transmit various kinetic energy from the contact of the tires with the road. It plays a role in dampening the shocks. 5 Mass is one of the most important parameters affecting a vehicle's energy consumption. Therefore, engineering studies focus on suspension systems in electric vehicles. It also focuses on optimizing the available masses. In solar-powered light electric vehicles, suspension systems improve the vehicle's driving comfort. and are designed to increase its efficiency. Such tools are different from the traditional 10 Because they are lighter than motor vehicles, the suspension systems used are also different. It has the following features: The lightweight electric solar-powered vehicle has a double wishbone front. The suspension commonly consists of two coil spring single-tube gas shock absorbers. It is used. In the known state of the art, transverse leaf springs are used in vehicle suspension systems. Although various suggestions and applications have been developed for bows, these improvements are not sufficient. This is not the case. Some applications for inventions developed for this purpose are listed below. is provided. Subject to application no. “CN108819649A”, which is in the known state of the art. In the invention, a double-arm suspension system consists of one transverse leaf spring and one hub. 20 It is explained that the support column consists of an upper transverse arm and a lower transverse arm. The upper one... a transverse leaf spring is positioned on a transverse arm, with a pull rod and damper. a shock absorber is used as the shock absorber and the shock absorber is mounted on the lower transverse arm It is stated that these 2 single-tube coil springs are in the known state of the art. Gas shock absorbers cause a significant increase in the front suspension mass. 25 Subject to application number “CN218661212U”, which is in the known state of the art. The invention involves a vehicle suspension system consisting of leaf springs and double wishbone springs. It is stated that it consists of two double swing arms mounted on each end of the leaf spring, respectively. In a vehicle capable of achieving adjustable suspension stiffness, damping is achieved. 3 as a component, a transverse leaf spring on both sides, and a shock absorber as a damping element. It is seen to be used. In the current state of the art, it is lightweight, has low power consumption, and does not cause an increase in mass. Contributing to energy efficiency, not taking up much space, simple in structure, low cost-effective, easy to install, requires no regular adjustment or maintenance, time 5 There is no suspension system that provides savings and reduces costs. In conclusion, due to the negative aspects described above and the current solutions, the subject matter... Due to its shortcomings, an improvement is needed in the relevant technical field. It has been made. Purpose of the invention: 10 The main objective of the invention is to create a fiber-reinforced polymer matrix composite transverse sheet spring. This eliminates the problems caused by conventional coil spring shock absorbers. The problem of mass increase has been solved. Another aim of the invention is to solve the problem of mass increase. This will result in lighter front panels. The suspension system has a positive effect on overall power consumption. 15 Another objective of the invention is to create a polymer with simple installation and long maintenance intervals. The use of composite transverse leaf springs saves time. Another aim of the invention is to improve the application of double wishbone and transverse leaf spring suspension systems. As an alternative to heavy shock absorbers that have high costs, lightweight and high strength. The use of high-performance composite damping elements is key. This allows for savings in both space and... (The sentence is incomplete and unclear in the original Turkish). It is about saving mass. Another advantage of the invention is its compact design and ease of assembly. This This eliminates the problem of limited space. Explanation of the figures: FIGURE -1; The subject of the invention is a double wishbone front suspension system of a lightweight electric vehicle 25 This is a drawing showing the isometric view of a transverse leaf spring assembly. 4 FIGURE 2; Detailed isometric view of the cross-sectional leaf spring assembly, which is the subject of the invention. It is a drawing that gives. FIGURE -3; The subject of the invention is the upper swing and transverse leaf spring assembly. This is a drawing showing a detailed view of the pedestrian access devices. Reference numbers: 5 10. Connection Point 20. Transverse Leaf Spring 21. Connector 1 22. Connector 2 23. Upper Swing Arm 10 24. Lower Swing 25. Zodiac Element Description of the invention: The invention provides energy efficiency and increased volume in lightweight electric vehicles, and facilitates their installation and... Lightweight electric solar 15, easy to install, requires no regular adjustment or maintenance. Fiber-reinforced polymer matrix composite in the double wishbone front suspension of the powered vehicle. It relates to the transverse leaf spring assembly system. The invention is a double wishbone suspension system for a lightweight electric solar-powered vehicle and one fiber reinforced polymer matrix composite transverse sheet spring and damping on it It includes a connecting device that houses its components. 20 The invention is a double wishbone front suspension system for a lightweight electric solar-powered vehicle. Polymer composite filament winding bushing element as a damping element. It uses a polymer composite transverse leaf with a double swingarm suspension system. a connecting device produced by machining that enables broadcast assembly It offers. 25 The invention utilizes fiber in the double wishbone front suspension of a lightweight electric solar-powered vehicle. It is a reinforced polymer matrix composite transverse sheet spring (20) assembly system. The invention is a critical connecting part that connects the transverse leaf spring (20) to the vehicle chassis. by ensuring that the leaf spring (20) is firmly and securely attached to the chassis enabling the suspension system to function properly, and also transversely 5 Helps to transmit forces and vibrations from the leaf spring (20) to the chassis. The connection point (10) is designed specifically for light electric vehicles, minimum Requiring adjustment and maintenance, it absorbs moisture from the road surface thanks to its damping elements. effectively dampens incoming shocks and vibrations, improving both the comfort of the vehicle. By increasing both the strength and durability of the suspension system, it improves the vehicle's stability by 10. and ensures safety, and more efficient energy use in the vehicles in which it is used. Double transverse leaf spring (20) offering long suspension life, transverse leaf spring (20) mechanical between the upper swing arm element (23) of the swing arm suspension system providing the connection, offering rotational freedom along the vehicle's axis of travel, transversely. allowing the leaf spring (20) to flex and absorb shocks, thus 15 effectively absorbs vibrations and shocks caused by irregularities in the road surface. damping linkage that improves suspension system performance and ride comfort. apparatus 1 (21) has a mechanical connection with the upper swing (23) component, connection By supporting the rotational freedom of apparatus 1 (21), the suspension system transverse leaf springs (20) and suspension 20 which give flexibility to its movement enabling its components to absorb shocks more efficiently, thus protecting the vehicle Connection adapter 2 that enhances adaptability to road conditions and maintains driving comfort. (22), forming the basic building blocks of the double wishbone suspension system, the wheel The suspension system ensures the vehicle's adaptability to the road by controlling its vertical movements. contributing to the efficient operation of the system, working together to maneuver the vehicle 25 enhancing its capabilities, providing better road grip during driving, and improving the road surface By minimizing the transmission of noise to the wheels, it significantly improves driving comfort. raising upper wishbone (23) and lower wishbone (24) in double wishbone suspension system into the hole in the connecting device 1 (21) which undertakes the damping task mounted, with this mounting, damping during rotational freedom in the system is 30 by performing this function, it helps the suspension to operate more smoothly and absorbs vibrations. contributing to minimizing wear and tear on the suspension system. 6 Polymer composite filament winding that increases durability and supports driving comfort. It contains the zodiac element (25). In Figure 1, two transverse leaf springs (20) which are the subject of the invention are attached to the vehicle body. A representative isometric view of the connection point (10) is given. Accordingly, The mentioned vehicle type has one transverse leaf spring (20) and two double wishbone springs 5 It is suitable for positioning according to the suspension geometry. In addition The connection apparatus 1 (21) of the upper swing with the transverse leaf spring (20) is shown. Figure 2 shows the lower swing arm (24) and upper swing arm (23), transverse leaf spring (20), and connecting apparatus. 1 (21) and connecting apparatus 2 (22) are shown isometrically and in detail. Connecting apparatus 2 (22) is connected to the upper swing (23) by means of two bolts. Connecting apparatus 2 (22), 10 The connecting device 1 (21) is connected by means of a shaft on it. It protects. Connection apparatus 1 (21), transverse leaf spring (20) with bolts. Thus, connecting device 2 (22), transverse leaf spring (20) and connecting By providing rotational freedom of movement to apparatus 1 (21), it can be used on various road types. The suspension system's varying response to disturbing inputs 15 It provides the ability to respond to their movements. In Figure 3, the upper swing arm (23), transverse leaf spring (20), connecting device 1 (21), connection apparatus 2 (22) and reinforced with carbon material, performs the damping task in the system. The polymer composite filament winding bushing element (25) is shown. Previously The filament winding bushing element used in accordance with the mentioned degree of freedom is 20. (25) damping is achieved by positioning the connection device 1 (21) in light electric vehicles. with its function and the spring function performed by the transverse leaf spring (20) It is shared. In mechanical systems, degrees of freedom are the number of degrees a body possesses in three-dimensional space. It is determined by the axes along which it can move and its rotational capabilities. The object may have a total of 6 degrees of freedom: 25 • 3 types of translational motion (linear motion along the x, y, and z axes) • 3 types of rotational motion (rotation around the x, y, and z axes). In this context, particularly with regard to the previously mentioned degree of freedom above. Rotational freedom is emphasized. This is because the bushing element (25), connection Apparatus 1 (21) allows the system to rotate around the rotational axis 30 7 This means that rotational freedom, especially in the suspension found in this invention, is essential. the system allows the wheels and other components to adapt better to the road. It provides. The invention involves the use of a fiber-reinforced polymer matrix composite transverse sheet spring, 5 the problem of increased mass caused by conventional coil spring shock absorbers This solves the problem. Thanks to this, the lighter front suspension system reduces overall power consumption. It has a positive effect. Furthermore, the installation of polymer composite transverse leaf springs... Its simplicity and extended maintenance intervals save time. Double In swingarm and transverse leaf spring suspension systems, the heavy components that are expensive... lightweight and high-strength composite damping elements instead of shock absorbers Its use saves both space and weight. Its compact design... Distinguished by its ease of assembly, this invention eliminates the problem of limited space. It removes. Although the invention is a model of a double wishbone suspension with transverse leaf springs, 15 type of damping element used and damping element with transverse leaf spring It stands out with its assembly style. The invention is a lightweight electric solar system designed to bring a fresh perspective to the relevant technical field. Fiber-reinforced polymer matrix composite in the double wishbone front suspension of the powered vehicle. He is involved in the assembly of transverse leaf publications. 20 The invention reduces the mass of the front suspension system in lightweight electric vehicles, thereby saving energy. It provides an advantage in terms of efficiency. However, the new type of suspension offered the system and the accompanying assembly style, other mechanical components It allows for an increase in the volume where it can be located. The simplicity of the invention's installation and assembly, along with the ease of maintenance, is significant. 25 This results in time savings and cost reductions. The invention is lightweight, low power consumption and energy efficient, without causing an increase in maintenance mass. Contributing to efficiency, not taking up much space, having a simple structure, and being low-cost, 8 It is easy to install, requires no regular adjustment or maintenance, saves time, and A suspension system is provided that reduces costs.
Claims
9 REQUESTS 1. It is a transverse leaf spring mounting system for lightweight electric vehicles, and its feature is; - the critical connecting part that connects the transverse leaf spring (20) to the vehicle chassis, the transverse leaf spring (20) to hold firmly and securely to the chassis by providing the same 5 that enables the suspension system to function properly. forces and vibrations from the transverse leaf spring (20) to the chassis in time port which helps transfer (10), - Specifically designed for lightweight electric vehicles, with damping features Thanks to its components, it effectively absorbs shocks and vibrations from the road surface. damping in this way, both increasing the comfort of the vehicle and the suspension 10 by supporting the system's durability, it improves the vehicle's stability and safety. providing transverse leaf spread (20), - upper wishbone of double wishbone suspension system with transverse leaf spring (20) providing mechanical connection between the element (23) and the direction of travel of the vehicle By offering rotational freedom on its axis, the transverse leaf spring (20) 15 by allowing it to flex and absorb shocks on the road surface effectively absorbs vibrations and shocks caused by malfunctions damping connection device 1 (21), - having a mechanical connection with the upper swingarm (23) component, connection By supporting the rotational freedom of apparatus 1 (21), suspension 20 transverse leaf spring (20) which gives flexibility to the movement of the system and The suspension components are the upper control arm 1 (23) and the lower control arm 2 (24) connection device 2 (22), which enables it to absorb shocks more efficiently, - forming the basic building blocks of a double wishbone suspension system, 25 together contribute to the efficient operation of the suspension system. by working to improve the vehicle's maneuverability, providing better road handling during driving. providing grip and transmitting road surface irregularities to the wheel. upper swing arm (23) which significantly increases driving comfort by minimizing and lower swing (24), 30 - in a double wishbone suspension system, it performs the damping function. This is mounted into the hole in the connecting device 1 (21). Damping function during rotational freedom in the system with assembly. By seeing this, the suspension works more smoothly and vibrations are reduced. a bushing which is a polymer composite filament winding that contributes to absorption It contains element (25).
2. Transverse leaf spring assembly system for light electric vehicles according to claim 1, 5 feature; transverse leaf spread (20) fiber reinforced polymer matrix composite It is the fact that.
3. A transverse leaf spring assembly system for light electric vehicles according to Claim 1, Carbon-reinforced polymer composite filament winding bushing. It contains element (25). 10