A tire measuring system with flexible belt

EP4739516A1Pending Publication Date: 2026-05-13SAYKAL ELEKTRONIK ANONIM SIRKETI
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
SAYKAL ELEKTRONIK ANONIM SIRKETI
Filing Date
2023-11-27
Publication Date
2026-05-13

AI Technical Summary

Technical Problem

Existing tire pressure measurement systems using metal connections face issues with vibration, noise, and assembly difficulties, leading to reduced durability and increased production and maintenance costs.

Method used

A tire measuring system utilizing a flexible belt made of elastic and polyester materials, which minimizes the impact of vibrations, allows for easy assembly, and provides resistance to high temperatures.

Benefits of technology

The system effectively reduces production and assembly costs, enhances durability by eliminating heat transfer issues, and ensures accurate tire pressure measurement while maintaining vehicle balance and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The tire measuring system of the invention comprising a flexible or elastic belt is basically a measuring system (10) comprising at least one belt (30) positioned around a rim (20) to measure the pressure of the tire on the rim (20) and comprising at least one holder (40) connected to at least one end of the said belt (30), wherein said holder (40) has at least one cavity (44) where the sensor for measuring is positioned.
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Description

[0001] A TIRE MEASURING SYSTEM WITH FLEXIBLE BELT

[0002] Subject of the Invention and Technical Field

[0003] This invention relates to a tire measuring system with a flexible belt which allows to measure the pressure of the tire on the rim. The invention relates to a belt configuration and therefore a measuring system, wherein the belt configuration is designed in such a way that the measuring instrument is minimally affected by vibration between the wheel rim and the sensor from which wheel pressure information is obtained; it is resistant to high temperatures; a part thereof is made of elastic material and the rest is made of polyester material.

[0004] State of the Art

[0005] Today, tires need to fulfill tasks and criteria such as to carry the stationary car, to resist the large load transfers which occur at the time of starting and braking, to transfer the power of the engine to the road when braking and cornering, to last safely and for a long time for a pleasant ride, to steer the vehicle safely regardless of the road condition and climatic conditions, to ensure the comfort of the driver and passengers, to reduce the effect of roughness on the road for the longevity of the vehicle and to be durable by keeping its performance at the highest level for millions of wheel revolutions. It is very important that the tires are inflated at the right rate. Properly inflated tires provide better stability, handling and braking, therefore, tires without the right pressure can lead to fatal accidents. In addition, tires with the right amount of pressure have a longer service life, thus saving costs, time and labor.

[0006] There are systems which monitor the pressure of the tires. Among the various solutions for fixing the electronic unit on a wheel to measure pressure and temperature parameters, there is a thin strip made of metal, which consists in fixing said unit to the rim by strapping. Its dimensions are adapted to those of the rim and have the same characteristics as a clamp, which in particular includes a clamping screw. This strip is passed through the strip by being passed through the bottom of the case or through the windows located at the bottom of the case and closed around the perimeter of the rim. During the installation and disassembly stages of this structure known in the state of the art, the case poses an obstacle to the movement the tire on the rim. As a matter of fact, at these stages, the sidewalls of the tire transmit the forces to the upper part of the sensor. Since this upper part is the farthest from the connection point located in the lower part, the torque transmitted to the case and the rim is maximum.

[0007] In the known state of the art, in systems where metal connections are used, metal parts lose their tension at high temperatures and loosen by vibration. This causes displacement in the sensor position, vehicle vibration, noise and deterioration in vehicle balance.

[0008] In the known state of the art, in systems where metal connections are used, metal connections require special apparatus for stretching and tightening, which causes assembly to be difficult, which increases the cost of production, assembly and labor.

[0009] In the known state of the art, in systems where metal connections are used, the electronic system cannot be protected from high temperatures and damages the electronic system by increasing the temperature level, causing special production resistant to high temperatures in order to prevent damage to the electronic system.

[0010] In the known state of the art, the metal connections used in the tires transfer heat to the electronic system and cause a reduction in the tire durability and pressure, vehicle vibration and noise in the vehicle caused by vibration, and the deterioration of the vehicle balance, it has become a necessity to put forward solutions which are resistant to high temperatures, do not cause vibration and noise, do not disturb the balance of the vehicle, are more durable and robust, easy to assemble and have low production costs. While the metal structure in the known state of the art provides rigidity, being affected by vibrations, noise, and assembly difficulties are among the important disadvantages.

[0011] Application with No. US10525778B2 known in the literature relates to a system aiming easily fixing of the measuring sensors, such as pressure sensors, on the vehicle's rim. The system secures the measuring sensors on the rim by means of a tension belt. The belt used is made of a special material and shortens upon heating, and its two ends can be fixed to each other by means of fasteners. The system enables the assembly of the measuring sensors by applying heat to the rim and stretching the belt. As can be seen in the above-mentioned patent application, there are patent / utility model applications which measure tire pressure in the known state of the art. However, in the applications filed, there was no mention of the measuring instrument with a connection system between the high-temperature resistant dual-material rim and the sensor.

[0012] As mentioned above, in addition to the difficulty of installation and maintenance due to the use of a complex structure, the sensor is not resistant to burning or any elongation or rupture on the rim due to its use in a constantly moving environment.

[0013] Technical Problems to Be Solved by The Invention

[0014] Thanks to the measuring instrument comprising a flexible belt according to the invention, it is intended to reduce the production cost, to provide vibration and vehicle balance and to increase the efficiency of the material and provide ease of use during the production and assembly stages by completely removing the metal connections which reduce the durability by transferring heat to the electronic system, which is considered as a great disadvantage in the known state of the art, from the rim body, and instead, by placing a flexible connection belt between the rim and the sensor, which is more resistant to high temperatures, can provide vehicle balance, and allows easy assembly.

[0015] One of the advantages of the connection system placed between the rim and the sensor according to the invention is that the metal connections are removed and replaced with a high-temperature resistant dual-material (rubber material and polyester material) connection belt, allowing the elimination of loosening in vibration, vehicle displacement, vibration, noise and deterioration in vehicle balance.

[0016] One of the advantages of the connection system placed between the rim and the sensor according to the invention is that the metal connections are removed and replaced with a dual-material connection belt, allowing it to be resistant to high temperatures and to reduce production, assembly and labor costs.

[0017] Another advantage of the connection system placed between the rim and the sensor according to the invention is that the electronic system can be protected from high temperatures, and it allows the system to be protected by making special production resistant to high temperatures in order to prevent damage to the electronic system.

[0018] One object of the invention is to provide a measuring system which measures the correct inflation rate of tires.

[0019] Another purpose of the invention is to provide a measuring system which checks whether the tires are inflated correctly and which eliminates maintenance costs by making the tires last longer.

[0020] In order to accomplish all the purposes mentioned above and to be derived from the detailed description below, the present invention relates to a measuring instrument comprising at least one belt positioned around a rim to measure the pressure of the tire on the rim and comprising at least one holder connected with at least one end of the said belt, wherein said holder has at least one cavity where the sensor for measuring is positioned. Accordingly, its novelty is that a part of the said belt is made of elastic material and the rest is made of polyester material. Thus, in order to measure the pressure of the tires, a long-lasting, easy-to-assemble pressure gauge with increased strength is provided.

[0021] A preferred embodiment of the invention is that the elongation of the elastic part of the said belt is in the range of 3.3%-5% and the elongation coefficient of the belt is in the range of 8%-12%. Thus, the assembly of the belt around the rim can be performed easily.

[0022] A preferred embodiment of the invention is that the said holder comprises at least one cover to ensure that the sensor is maintained and maintained and fixed within the said cavity. Thus, the sensor can be protected from external factors.

[0023] A preferred embodiment of the invention is that it comprises at least one belt joint at at least one end of the said belt. Thus, the belt and the holder can be connected.

[0024] A preferred embodiment of the invention is that the said belt comprises at least one adjustment mechanism to enable the length adjustment to be made according to the diameter of the said rim. Thus, assembly is possible on rims of various diameters. A preferred embodiment of the invention is that it comprises at least one open joint which enables at least one end of the said holder to be connected with the said belt joint. Thus, thanks to the stretching movement of the belt, it can be easily mounted into the open joint on the rim.

[0025] A preferred embodiment of the invention is that it comprises at least one closed joint which enables at least one end of the said holder to be connected with the said belt joint. Thus, the holder and the belt can be connected.

[0026] A preferred embodiment of the invention is that the said cover comprises at least one locking element. Thus, the elements placed in the cavity can be stored in a locked manner.

[0027] A preferred embodiment of the invention is that the said locking element is elastic. Thus, locking can be performed from the inside and space can be saved as well as full isolation is provided.

[0028] A preferred embodiment of the invention is that the said holder comprises at least one locking part which can be connected with the locking element to ensure that the said cover remains in the open and closed position. Thus, the cover remains in the closed position.

[0029] A preferred embodiment of the invention is that it is in a partially curved form to conform to the circular structure of the rim on which the said holder is to be positioned.

[0030] The tire measuring system with a flexible belt according to the invention will be better understood from the following drawings.

[0031] Description of the Drawings

[0032] Fig. 1 is a partial perspective view of the position of the measuring system of the invention on the rim.

[0033] Fig. 2 is the perspective view of the holder in the measuring system of the invention when the cover is open. Fig. 3 is the perspective view of the holder in the measuring system of the invention when the cover is closed.

[0034] Fig. 4 is an exploded perspective view of the flexible belt and holder in the measuring system of the invention.

[0035] Portion and Part Reference Numbers Which Helps Describing the Invention

[0036] 10- Measuring system

[0037] 20- Rim

[0038] 30- Belt

[0039] 31- Belt joint

[0040] 32- Adjustment mechanism

[0041] 33- Elastic part

[0042] 40- Holder

[0043] 41- Open joint

[0044] 42- Closed joint

[0045] 43- Holder

[0046] 431- Locking Element

[0047] 44- Cavity

[0048] 45- Locking part

[0049] (I) Open Position

[0050] (II) Closed Position

[0051] Detailed Description of the Invention

[0052] The measuring instrument comprising a flexible belt of the invention is a system wherein it enables to reduce the production cost, to provide vibration and vehicle balance and to increase the efficiency of the material and provide ease of use during the production and assembly stages by completely removing the metal connections which reduce the durability by transferring heat to the electronic system from the tire body, and instead, by placing a connection system between the rim and the sensor, which is more resistant to high temperatures, can provide vehicle balance, and allows easy assembly. In this detailed description, the measuring system of the invention is described for a better understanding of the subject only with examples which will not have any limiting effect thereon. The said system design can be a design as seen in the drawings for a better understanding of the subject, or it can be in different geometries and different sizes while maintaining the technical elements. The drawings used in the invention are for illustrative purposes only, they should not be considered as binding.

[0053] Fig. 1 shows a representative perspective view of the measuring system (10) of the invention on rim (20). The measuring system (10) is essentially capable of measuring the pressure of the tire on any vehicle with wheels. The measuring system (10) may comprise various sensors such as temperature sensors in alternative embodiments of the invention and can measure different parameters such as temperature and revolutions per minute.

[0054] Fig. 2 shows a perspective view representing the open position of the cover of the holder (40) in the measuring system (10) of the invention. The said holder (40) comprises at least one open joint (41) at which at least one end thereof can be connected with the belt (30) coated around the rim (20). The holder (40) comprises at least one closed joint (42) at the other end, which can be connected with the belt (30). The open joint (41) mentioned in the preferred embodiment of the invention is partially in the form of a rectangular hook with a cavity (44) therein. Again, the closed joint (42) mentioned in the preferred embodiment of the invention is in the form of a rectangle with a cavity (44) therein. The open (41) and closed joints (42) mentioned in the alternative embodiments of the invention can both be in the form of hooks or both closed rectangles.

[0055] In Fig. 3, a perspective view is shown representing the closed position of the cover of the holder (40) in the measuring system (10) of the invention. The holder (40) comprises at least one cavity (44) allowing various sensors to be placed therein. The holder (40) comprises at least one cover (43) allowing the sensors to be held securely within the said cavity (44). The holder (40) ensures that devices such as transmitters and sensors to be placed in the cavity (44) (these devices or electronic elements do not need to be shown) are protected from external factors such as water, air and temperature. The cover (43) is hermetically connected with the holder (40) to prevent liquids such as water from entering the cavity. The cover (43) comprises at least one locking element (431) allowing it to be opened and closed. The said open position (I) is the situation where it is possible to open the cover and reach the cavity, as can be seen in Fig. 2. The said closed position (II) is the situation where the cover can be closed and the elements in the cavity (44) can be preserved, as can be seen in Fig. 3. The said locking element (431) is linked with at least one locking part (45) on the holder (40). In the preferred embodiment of the invention, the locking element (431) is elastic and is connected by the locking part (45) and the cavity (44), i.e., the inner part. The locking part (45) is essentially a cavity (44) which conforms to the geometry of the locking element (431). Thus, it is easy to assemble the sensor in the holder (40), i.e., in the cavity, or to change the battery. The locking part (45) may comprise tabs to ensure locking.

[0056] In the tire measuring system of the invention, the closed joint (42) of the holder is mounted permanently on the belt (30), while the connection with the belt (30) is performed via the open joint (41). Thus, easy assembly is ensured. Again, there is a space required for placing signal strength amplifying elements such as antennas, etc. related with the sensor to be placed in the holder (40). In the alternative embodiment of the invention, elements such as signal amplifiers and sensors can be formed on a single holder (40) with the signal amplifying mechanism to be added to the cover itself by multi-component molding.

[0057] Fig. 4 shows an exploded perspective view of the measuring instrument (10), belt (30) and holder (40) of the invention. The said belt (30) comprises at least one belt joint (31) which will allow it to be connected with the holder (40) via at least one end thereof. The said belt joint (31) is essentially formed by positioning the two strips of belts (30) on top of each other in such a way that they form a partial cavity (44). The geometry of the belt joint (31) is in accordance with the geometry of the open joint (41) and the closed joint (42). At least one belt joint (31) connects the holder (40) and the belt (30) by being connected at the open joint (41) and the closed joint (42). As a result, the measuring instrument (10) can remain stable on the circular surface of the rim (20).

[0058] The tire measuring system of the invention comprising a flexible or elastic belt is basically a measuring system (10) comprising at least one belt (30) positioned around a rim (20) to measure the pressure of the tire on the rim (20) and comprising at least one holder (40) connected to at least one end of the said belt (30), wherein said holder (40) has at least one cavity (44) where the sensor for measuring is positioned. This measuring system (10) is characterized in that a part of the belt (30), which is positioned in the said measuring system (10), is made of elastic material (33) and the rest is made of polyester material.

[0059] In the preferred embodiment of the invention, the belt (30) is manufactured from the seat belt strap. The said strap is produced according to the appropriate ECR16 test conditions and the safety requirements of the automotive industry. The strength of the belt (30) is 2500 daN and meets the requirements. Again, the elongation coefficient of the belt (30) is in the range of 8%-12% and the amount of excess elongation is stable. Thus, deformations which will prevent it from holding on the rim (20) in time can be eliminated. The belt (30) is made of 100% polyester material and therefore it is prevented from being affected by the water in the air inside the tire and the corrosive effects of the soap used in tire rimming processes. The belt (30), which is manufactured according to automotive safety requirements, is not affected by the temperature factor inside the tire and meets the FMVSS 302 flammability standards. A part of the belt (30) is partially made of elastic material (33). Therefore, it is extremely easy to assemble. The elongation of the elastic part is in the range of 3.3%-5%.

[0060] In the measuring system (10) of the invention, the belt (30) comprises at least one adjustment mechanism (32) to adjust the length according to the diameter of the rim (20) and therefore the diameter suitable for coating the rim (20). Thus, regardless of the rim’s (20) diameter, the measuring instrument (10) can be fixed on the rim (20).

[0061] The protection scope of the invention is specified in the appended claims and cannot be limited to what is described in this detailed explanation for illustrative purposes. Because it is clear that a person skilled in the art can appreciate similar structures in the light of the above, without deviating from the scope of the invention.

[0062] Industrial Applicability of the Invention

[0063] The development in the tire measuring system with a flexible or elastic belt of the invention can be used in a way that tire pressure can be measured in all vehicle groups such as air, land, etc.

Claims

CLAIMS1. A measuring system (10) comprising at least one belt (30) positioned around a rim (20) to measure the pressure of the tire on the rim (20) and comprising at least one holder (40) connected with at least one end of the said belt (30), wherein said holder (40) has at least one cavity (44) where the sensor for measuring is positioned, characterized in that the said measuring system (10) comprises a high temperature resistant belt (30), a part of which is made of elastic material (33) and the rest of which is made of polyester material.

2. The measuring system (10) according to Claim 1, wherein the elongation of the elastic part (33) of the said belt (30) is in the range of 3.3%-5%.

3. The measuring system (10) according to Claim 1, wherein the elongation coefficient of the belt (30) is in the range of 8%-12%.

4. The measuring system (10) according to Claim 1, wherein the said holder (40) comprises at least one cover (43) to ensure that the sensor is maintained and fixed within the said cavity (44).

5. The measuring system (10) according to Claim 1, wherein the said belt (30) comprises at least one belt joint (31) at at least one end thereof.

6. The measuring system (10) according to Claim 1, wherein the said belt (30) comprises at least one adjustment mechanism (32) to enable the length adjustment to be made according to the diameter of the said rim (20).

7. The measuring system (10) according to Claim 1, wherein the said holder (40) comprises at least one open joint (41) which enables connection with the said belt joint (31) via at least one end thereof.

8. The measuring system (10) according to Claim 1, wherein the said holder (40) comprises at least one closed joint (42) which enables connection with the said belt joint (31) via at least one end thereof.

9. The measuring system (10) according to Claim 1, wherein the said cover (43) comprises at least one locking element (431).

10. The measuring system (10) according to Claim 1, wherein the said locking element (431) is partially capable of elastic deformation.

11. The measuring system (10) according to Claim 1, wherein the said holder (40) comprises at least one locking part (45) to enable connection with the locking element (431) to ensure that the said cover (43) remains in the open (I) and closed position (II).

12. The measuring system (10) according to Claim 1, wherein the said holder (40) is partially curved to adapt to the circular structure of the rim (30) on which the holder will be positioned.