Hydraulic Brake System In हिंदी | Working Of Hydraulic Brake Circuit | Hydraulic VS Disc Brake Hindi

Study Central

15 Sept 202106:47

Summary

TLDRThe video script discusses the hydraulic brake system, contrasting it with the mechanical drum brake system. It highlights the issues faced with drum brakes, particularly in four-wheel drive vehicles, where the braking action was inconsistent and the force applied was not evenly distributed. The script then explains the workings of the hydraulic system, emphasizing how it addresses the timing issues of the drum brake system by evenly distributing pressure across all wheels, ensuring a smooth and consistent braking experience. It also touches on the maintenance and potential problems that can arise, such as the need to adjust or replace parts due to pressure changes.

Takeaways

😀 The video discusses the hydraulic brake system as an alternative to the drum brake system.
🔧 One of the main disadvantages of drum brake systems, especially in four-wheel drive vehicles, is the uneven braking force distribution, leading to a mushy feel.
🌿 The video explains the hydraulic brake system's operation, which uses fluid pressure to apply brakes uniformly and effectively.
🚗 The hydraulic system includes components like the master cylinder, which converts foot pressure into hydraulic pressure to activate the brakes.
🔄 The script mentions the Pascal's law, which states that pressure applied to a confined fluid is transmitted equally in all directions, ensuring even braking.
🛠️ The video highlights the importance of maintaining the brake system, including timely maintenance and adjustments to ensure optimal performance.
💡 It discusses the role of the brake booster in assisting the driver in applying the brakes with less effort by utilizing engine vacuum.
🔍 The script addresses potential issues with the hydraulic system, such as the need to replace the entire system if there's a leak due to the pressure doubling.
🔧 The video provides a detailed walkthrough of the hydraulic brake system's components and their functions, including the master cylinder, brake lines, and brake calipers.
📈 The script emphasizes the importance of timing and pressure distribution in the hydraulic system for a smooth and effective braking experience.

Q & A

What is the main topic discussed in the script?
-The main topic discussed in the script is the hydraulic brake system, contrasting it with the drum brake system and explaining its advantages.
What is the primary disadvantage mentioned about the drum brake system?
-The primary disadvantage of the drum brake system mentioned is the uneven braking action on the front wheels, leading to a lack of consistent braking force.
What is the function of the master cylinder in a hydraulic brake system?
-The master cylinder in a hydraulic brake system is responsible for converting the mechanical force applied by the driver's foot on the brake pedal into hydraulic pressure, which then activates the brakes.
How does the hydraulic brake system ensure even braking force distribution?
-The hydraulic brake system ensures even braking force distribution by using Pascal's law, which states that the pressure applied in a confined fluid is transmitted equally in all directions.
What is the significance of Pascal's law in the context of the hydraulic brake system?
-Pascal's law is significant in the hydraulic brake system as it ensures that the pressure applied at one point in the system is transmitted equally to all parts, resulting in consistent braking.
Why is the hydraulic brake system considered an improvement over the drum brake system?
-The hydraulic brake system is considered an improvement because it provides more consistent and efficient braking, with better heat dissipation and less maintenance compared to the drum brake system.
What is the role of the brake fluid in the hydraulic brake system?
-The brake fluid in the hydraulic brake system acts as a medium to transmit the force from the master cylinder to the brake calipers, ensuring smooth and effective braking.
What happens when the brake pedal is applied in a hydraulic brake system?
-When the brake pedal is applied, it pushes the piston in the master cylinder, which in turn increases the hydraulic pressure in the system, causing the brake pads to press against the rotors and slow down the vehicle.
What is the purpose of the brake fluid reservoir in the hydraulic brake system?
-The brake fluid reservoir stores the brake fluid and ensures that there is a constant supply to the system, compensating for any fluid that is absorbed by the brake components or lost due to leakage.
How does the hydraulic brake system handle the pressure changes during braking?
-The hydraulic brake system handles pressure changes during braking by maintaining a closed-loop system where the brake fluid is continuously circulated and pressure is evenly distributed across all brake components.
What maintenance issues are associated with the hydraulic brake system?
-Maintenance issues with the hydraulic brake system can include fluid leaks, air in the lines, and the need for periodic fluid replacement to ensure proper brake performance and safety.

Outlines

00:00

🚗 Understanding Hydraulic Brake Systems

This paragraph discusses the transition from drum brake systems to hydraulic brake systems in vehicles. It highlights the issue with drum brakes, particularly in four-wheel drive vehicles, where the braking action was not smooth, leading to uneven braking force distribution. The paragraph also touches on the advantages of hydraulic systems, which provide a more consistent braking force and better control. The speaker explains the mechanics of hydraulic brake systems, including the use of fluid pressure to apply brakes, and how this technology addresses the timing issues faced with drum brakes.

05:01

🔧 Maintenance and Efficiency of Hydraulic Brake Systems

The second paragraph delves into the maintenance aspects and efficiency of hydraulic brake systems. It describes how the system works in real-time, with the application of the brake pedal leading to the generation of pressure that is evenly distributed across all wheels. The paragraph also mentions the importance of regular maintenance, such as checking the brake fluid level and condition, to ensure the system's optimal performance. Additionally, it addresses potential issues that may arise, such as uneven braking force due to air in the lines, and the need for timely adjustments to maintain the system's efficiency.

Mindmap

Keywords

💡Hydraulic Brake System

A hydraulic brake system is a type of brake system that uses brake fluid to transfer force from the brake pedal to the brake pads or shoes. In the video, the hydraulic brake system is discussed as a solution to the disadvantages of the drum brake system, particularly in heavy vehicles. The script mentions how the hydraulic system provides a more efficient and responsive braking action, which is crucial for the safety of large vehicles.

💡Drum Brake System

A drum brake system is a mechanical braking system where the friction force is generated by a set of shoes or pads that press against a rotating drum. In the video, the script contrasts this system with the hydraulic system, highlighting issues such as the uneven braking force and the lack of a smooth, progressive braking action, which can lead to safety concerns.

💡Braking Efficiency

Braking efficiency refers to the effectiveness of a vehicle's braking system to decelerate or stop the vehicle. The script discusses how the hydraulic brake system improves braking efficiency by providing a more consistent and forceful braking action compared to the drum brake system, which can lead to uneven braking and potential safety issues.

💡Master Cylinder

The master cylinder is a key component in a hydraulic braking system. It converts the mechanical force applied to the brake pedal into hydraulic pressure, which is then used to activate the brake calipers or wheel cylinders. In the script, the master cylinder is described as the starting point for the hydraulic brake system, where the pressure is generated when the brake pedal is applied.

💡Brake Fluid

Brake fluid is a hydraulic fluid used in hydraulic brake systems to transmit force from the master cylinder to the brake calipers or wheel cylinders. The script mentions brake fluid as the medium that carries the pressure from the master cylinder to the rest of the braking system, ensuring that the brakes are applied smoothly and effectively.

💡Brake Pedal

The brake pedal is the part of the braking system that the driver uses to apply the brakes. In the video, the script explains how pressing the brake pedal generates pressure in the hydraulic system, which then leads to the application of the brakes, illustrating the direct relationship between the driver's action and the braking response.

💡Pressure Distribution

Pressure distribution in the context of braking systems refers to how the braking force is evenly distributed across the brake pads or shoes. The script discusses the importance of even pressure distribution for effective and safe braking, which is achieved more reliably with a hydraulic system compared to a drum brake system.

💡Brake Calipers

Brake calipers are part of the disc brake system and are responsible for applying pressure to the brake pads against the brake disc. In the script, the hydraulic brake system's operation is described, which includes the role of brake calipers in applying the hydraulic pressure to create the friction necessary for braking.

💡Pascal's Law

Pascal's Law states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid and to the walls of its container. The script references Pascal's Law to explain how the hydraulic brake system works, where the pressure applied at the master cylinder is evenly distributed throughout the brake system, ensuring consistent braking force.

💡Brake Pads

Brake pads are the components in a disc brake system that come into contact with the brake disc to create friction and slow down the vehicle. The script mentions brake pads in the context of the hydraulic system, where the pressure from the master cylinder is used to apply the pads against the brake disc, highlighting the importance of the pads in the braking process.

Highlights

Introduction to hydraulic brake systems as opposed to drum brake systems.

Discussion on the disadvantages of drum brake systems, particularly in four-wheel drive vehicles.

Explanation of how applying the brake on a drum brake system can lead to uneven braking action.

Description of the 'training metal' phenomenon where the brake pads do not make full contact with the brake drum.

Introduction to the concept of 'time in the sense' which refers to the delay in braking action.

Explanation of how the hydraulic brake system addresses the problem of uneven braking action.

Detailed description of how hydraulic fluid is used in the brake system.

The role of the master cylinder in the hydraulic brake system and how it applies pressure.

How the application of the brake pedal leads to the generation of pressure in the hydraulic system.

The importance of Pascal's principle in the distribution of pressure in the hydraulic brake system.

The concept of 'throttle chamber' and its role in the hydraulic brake system.

The impact of time-sense on the braking action and how it is improved in hydraulic systems.

The maintenance and potential issues with the hydraulic brake system, such as the need for timely maintenance.

The importance of the master cylinder's position and how it affects the braking action.

How the hydraulic system ensures equal braking force distribution across all wheels.

The final assembly and testing of the hydraulic brake system to ensure its efficiency.

The conclusion of the discussion on hydraulic brake systems and a teaser for the next video on braking tips.