A BATTERY COVER

The battery cover with a labyrinthine structure and thermal conductivity features addresses the risk of fire spread in electric vehicles by venting gases and cooling, ensuring the vehicle's safety and integrity.

TR202522407A2Pending Publication Date: 2026-10-21SIRO SILK ROAD TEMİZ ENERJİ DEPOLAMA TEKNOLOJİLERİ SANAYİ & TİCARET ANONİM ŞİRKETİ
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
TR202522407
Authority / Receiving Office
TR · TR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-12-29
Publication Date
2026-10-21

AI Technical Summary

Technical Problem

Existing electric vehicle batteries face a high risk of fire, with flames potentially spreading to the vehicle exterior and posing a threat to passengers and pedestrians, and current solutions do not adequately address this issue.

Method used

A battery cover with a labyrinthine structure featuring a body, drain valves, and thermal conductivity walls that vent gases while delaying flame spread and cooling, using high-grade materials to manage pressure differences and prevent direct flame exposure.

Benefits of technology

The battery cover effectively contains and cools escaping gases, reducing the risk of fire spread and maintaining mechanical integrity by delaying flame visibility and contact with oxygen, thereby protecting the vehicle and its occupants.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000008_0000
    Figure 00000008_0000
  • Figure 00000009_0000
    Figure 00000009_0000
  • Figure 00000010_0000
    Figure 00000010_0000
Patent Text Reader

Abstract

This invention relates to a battery cover (1) which covers the batteries found in electric vehicles and, in the event of a fire, prevents the flame from reaching the outside and / or delays the spread of an external fire to the battery.
Need to check novelty before this filing date? Find Prior Art

Description

1 TARIFF A BATTERY COVER Technical Area 5 This invention, in particular, covers the batteries found in electric vehicles. in the event of a fire, the flames should not reach the outside and / or a fire that occurs outside with a battery cover that delays the spread of fire to the battery It is related. 10 Previous Technique The use of electric or hybrid vehicles is increasing day by day. In question... The vehicles are less expensive than fossil fuel-consuming vehicles, and they are quiet. 15 While it has advantages such as these, it also has some problems. One of them is... This is a fire risk. Nowadays, preventing fires from starting and managing fires that do occur... Several solutions exist to prevent it from growing and causing harm to passengers. The subject of solutions is the anode material and electronic material inside the battery. 20 when selected from different materials, the risk of fire is reduced. This is observed. However, none of the currently used batteries have the same material content. reducing the risk of fire and / or the occurrence of fire without the need for any changes. in this case the flames are prevented from reaching the vehicle and / or pedestrians and Solutions that reduce the risk of fire by venting the gases in the battery It is needed. 25 Chinese patent CN211556034U, which is included in the known state of the art. The document states that the acidic gases released from the battery are channeled through a labyrinth-type valve. from a mechanism designed to enable its recovery by cooling It is mentioned. The utility model concerns acid 30 for a portable battery on a vehicle. a labyrinth-type diversion filter valve for relieving its vapor 2 It explains that the valve consists of a valve body, and the top of the valve body... It has an exhaust port on its surface for discharge. The valve cylinder, valve It is fixed vertically to an opening in the lower part of its body. Labyrinth type. The acid blocking mechanism enters the valve cylinder via a claw structure. They are fitted together in an interlocking manner. This mechanism consists of a main plate and an acid plate. It consists of a blocking plate. The main plate is mounted vertically to the valve cylinder. It penetrates the lateral surface of the main plate. Multiple upward-sloping indentations The acid deflection plate is fixed in an staggered manner. The acid blocking plate is the main It is fixed in place on the plate in a closed manner, on the left and right sides of the main plate. The long side and the short side are left in sequence. The long side extends vertically towards the short side. It is higher than the edge. This allows acid vapor to rise. the ventilation gap, between the long edge and the inner wall of the valve cylinder It has been left as is. The lower end of the short side and the adjacent labyrinth acid located at the bottom. A backflow gap is left between the upper surface of the blocking mechanism. Between the labyrinth acid blocking mechanism and the exhaust vent, the acid vapor is 15 A filter component is included for filtering. According to this utility model, The deflection-type labyrinth acid blocking mechanism prevents fluid from being added to the battery during refilling. It can be used to condense and recover the acid vapor that is formed, and this This extends the battery's service life. Brief Description of the Invention The purpose of this invention is to address fires, particularly those occurring in electric vehicle batteries. enabling the passenger and / or vehicle to come into contact with the fire and / or flames later. The goal is to create a battery cover. 25 The aim of this invention is to reduce the pressure difference that occurs, especially in electric vehicle batteries. balancing, venting the released gas, and the gas during the venting phase The goal is to create a battery cover that allows it to cool down during the exit process. 3 Another purpose of the invention is to prevent a fire, especially in an electric vehicle, from spreading within the vehicle. a battery cover that allows delayed access to the battery and / or modules to accomplish. Detailed Description of the Invention 5 This invention, which aims to achieve its purpose, includes a "Battery Cover" attachment. as shown in the figures, these figures are: Figure 1. Top perspective view of a battery cover, which is the subject of the invention. 10 Figure 2. Perspective view of a battery cover, the subject of the invention, viewed from below. It is the appearance. Figure 3. Perspective view of the valve on a battery cover, which is the subject of the invention. The parts shown in the figures are individually numbered, and these numbers correspond to 15 The equivalents are given below: 1. Battery cover 2. Body Hole 3, 20 4. Drain valve 5. Space 6. The Wall In battery fires, the flame reaching the outside, or a fire starting outside and entering the inside, is 25 delaying the entry and venting the gases formed in the battery The subject of the invention is a battery cover (1), - at least one body (2) with at least one hole (3) on it, -by attaching to the hole (3) on the body (2) to discharge the gases formed in the battery at least one drain valve (4) and 30 which have at least one gap (5) to enable it to be done 4 - located on the surface of the drain valve (4) that does not face the battery, outwards from the edges of the drain valve (4) gap (5) on the surface between them positioned so that there is a certain distance for the gas to pass through and Its positioning creates a labyrinthine shape, allowing a fire that starts outside to enter. multiple 5 that make entry difficult, and also make it difficult for a fire inside to escape. It contains a number of walls (6). The subject of the invention is the housing (2) on the battery located in a battery cover (1) It shuts down the vehicle, which can be electric or hybrid, to protect it from impacts coming from below. to protect against and multiple holes (3) and more than 10 holes placed in the holes It contains a large number of drain valves (4). The subject of the invention is the drain valve (4) located on a battery cover (1) and the valve on it. area walls (6) thermal conductivity for cooling of the gas formed in the battery It is manufactured from high-grade materials. The drain valve (4) is located inside the battery 15 to balance the resulting pressure difference and to release any gas that may escape It provides. The relief valve (4) is placed in the hole (3) on the body (2). and there is a gap (5) for the gas to escape. Relief valve (4) In the preferred application, it is circular. The drain valve (4) is also connected to the battery. A 20 that provides a seal against liquids, dust, mud, etc. that may come from the outside. It is a sealing element. The subject of the invention is a wall (6) in the shape of a C and discharge in a battery cover (1). from the gap of the valve (4) to the outer edge of the valve for the passage of gas between them They are located at a distance from the walls (6). Between the walls (6) and adjacent to the walls (6) 25 There are T-shaped protrusions that can be present in the structure. Wall (6) and protrusions In the labyrinth structure, instead of allowing gas to escape directly, gas is circulated. The walls (6) circulate during the exit of gas to the surface of the discharge valve (4). by allowing it to cool down and preventing a fire that may form inside the battery from escaping. They are placed at an angle to each other to make it difficult to reach them. This 30 In this way the walls (6) extend the exit of the gas and the gas from the walls (6) This ensures cooling during the transfer process. This creates a thermal barrier in the battery. If gas spreads and comes into contact with oxygen, it directly causes a fire. and / or the time it takes for it to turn into flame is extended. Also, labyrinth walls (6) It prevents the fire that breaks out inside from being directly visible from the outside. Thus Even if a fire occurs inside the battery, the mechanical integrity of the battery remains 5 No flames are visible from the outside as long as it is protected. On the other hand, the walls (6) If there is a fire other than the battery, the fire will spread to the cells and modules. It prevents direct contact with its labyrinthine structure. The subject of the invention is an exhaust 10 containing walls (6) located on a battery cover (1). While enabling the discharge of gas through its valve (4), it also allows the outside It provides two-way fire retardation by preventing the fire from entering. The drain valve (4) and the walls (6) are made of a material with high thermal conductivity. thanks to this, the hot gas coming out of the battery comes into contact with oxygen in the outside environment. The risk of it turning into an instant flame is reduced. 15 on the relief valve (4) The labyrinthine structure created by the walls allows the gas and flame to pass through directly. extending its path without obstruction and visually enhancing the spread of flames. It restricts. Around these basic concepts, there are many 20 related to the invention subject “A Battery Cover (1)”. It is possible to develop various applications, and the invention described herein It cannot be limited to examples; it is essentially as stated in the requests.

Claims

6 REQUESTS 1. In battery fires, the flames can spread outside due to an external source. delaying the spread of the fire and allowing the gases formed in the battery to escape. 5 that enable it to be done - at least one body (2) with at least one hole (3) on it, -by attaching to the hole (3) on the body (2) to discharge the gases formed in the battery at least one drain valve (4) which contains at least one gap (5) and which enables the discharge of the water. - located on the surface of the drain valve (4) that does not face the battery, on the surface drain valve (4) gap (5) outwards from the edges between them 10 positioned so that there is a certain distance for the gas to pass through and Its positioning creates a labyrinthine shape, allowing a fire that starts outside to enter. multiple obstacles that make entry difficult, and if a fire breaks out inside, making it difficult to escape. a battery cover (1) characterized by a number of walls (6).

2. It covers the battery and the vehicle can be electric or hybrid. It protects against impacts from below and has multiple holes (3) and with the shell (2) containing multiple relief valves (4) placed in the holes A battery cover as described in Claim 1 (1).

3. The thermal conductivity level is required for the gas formed in the battery to cool down. drain valve (4) made of high material and the walls on it A battery cover (1) as in Claim 1 or 2 characterized by (6).

4. Balances the pressure difference that occurs within the battery and reduces the amount of gas that may be released. The above is characterized by a drain valve (4) which allows its discharge to the outside. a battery cover as in any of the requirements (1).

5. It is placed in the hole (3) on the body (2) and the gas outlet is on it. The above 30 is characterized by a drain valve (4) with a gap (5) for it. a battery cover as in any of the requirements (1). 7 6. Characterized by the circular drain valve (4) mentioned above a battery cover as in any of the requirements (1).

7. For liquids, dust, mud, etc. that may come into contact with the battery from the outside. drain valve (4) with a sealing element that provides leakage and 5 a battery like any of the above characterized requirements cover (1).

8. It is C-shaped and extends from the drain valve (4) gap to the outer edge of the valve. a wall (6) and 10 that are placed in such a way that there is a distance for the passage of gas between them a battery like any of the above characterized requirements cover (1).

9. Containing T-shaped protrusions that may be adjacent to each other. 15 as in any of the above claims characterized by walls (6). a battery cover (1).

10. By circulating the gas during its exit from the surface of the relief valve (4). to allow it to cool down and prevent a fire that forms inside the battery from spreading outside. walls placed at odd angles to make it difficult (6) 20