Evolution of Car Brakes: Timeline and Facts
Brakes are among the most vital safety features of a vehicle. Harnessing the force of friction, a braking system is designed to slow down a car or bring it to a complete stop safely. From wooden block brakes to advanced anti-lock braking systems (ABS), automotive brakes have come a long way. Let’s go through the complete timeline of the evolution of car brakes, highlighting key developments.
Evolution of Car Brakes: Historical Developments
Car brakes comprise of different components working together. Also, each component has a unique purpose to serve in a modern braking system. Brakes in vehicles today are more advanced and responsive than ever. However, the cutting-edge braking technology we see today has been a result of years of evolution. Here’s how it all began.
Wooden Block Brakes
Back in the early days of automobiles, everything was simple. There were horse-drawn carriages or steam-driven vehicles. Simpler modes of transportation meant simpler mechanisms. Vehicles were not fast enough, as a result, wooden blocks were enough to create friction in the commonly used steel rims.
Drum Brakes Come Into the Picture
With the evolution of automotive design, braking systems also continued to improve. In 1902, mechanical drum brakes were invented by Louis Renault, a French inventor. The drum brakes of the early times didn’t function as the ones found in modern vehicles. Instead of brake shoes, they had a cable-wrapped drum connected to the vehicle chassis. The mechanism was used to stop the wheel movement through friction.
Internal Expanding Shoe Brakes
As the name suggests, it was the first-ever braking system that was fastened inside the vehicle. Before that, vehicles came with brakes mounted on the outside. This type of braking system comprised two shoes: one primary and one secondary. Both were used to create friction when pressed against the drum. Since this particular braking system was installed inside, it remained protected from external elements, such as dust, moisture and other atmospheric particles. It was among the major innovations leading to the development of different car brake types over the years.
Invention of Hydraulic Brakes
Another breakthrough in the car brakes history timeline was the invention of hydraulic brakes. The concept was introduced in 1918. It laid the foundation of the four-wheel braking system used in the modern era. As a noteworthy development in the history of car brakes, the hydraulic braking system relied on fluid to create friction. The compressed fluid transferred the force to the brake shoe which created friction. After the technology matured, it witnessed widespread adoption in the 1920s.
Use of Air Braking Systems in Heavy Vehicles
Air brakes in heavy vehicles have been installed since the mid-1920s. However, the concept of air brakes was first introduced for locomotives in the 19th century. Air brakes were designed to work a bit differently than conventional brakes. Using the force of compressed air, this type of braking system turned out to be ideal for heavy-duty automobiles.
Rise of Disc Brakes
The advancement of technology led to different types of car brakes origin one after another. Initially patented in 1902, disc brakes became popular in the mid-twentieth century. This technology-backed braking system was invented to keep up with the increasing speed of modern cars. However, for a more adaptable performance, some cars incorporated both disc and hydraulic brakes simultaneously.
Modern Brake System Evolution
Over the years, the braking systems progressed. The difference between front and rear car brakes also became evident. Catering to the ever-evolving automotive needs, braking technology was further refined. Here are the modern-era braking systems
Anti-Lock Braking System
According to the history of anti-lock braking systems (ABS), its roots are from aircraft safety systems in the 1900s. The car manufacturers started experimenting with the system in around 1950s and 1960s. The trend of the installation of different types of ABS in modern cars started in the 1970s. Mercedes-Benz pioneered the concept, while automakers like Ford and General Motors followed suit. Refined ABS technology is used in almost every other modern car today.
Brake-By-Wire
The system was invented at the turn of the 21st century. The brake-by-wire system works in a way similar to conventional car brakes. The difference is that it has sensors to detect the pressure on the brake paddle. This specific car sensor type is designed to electronically transfer the driver’s input to mechanical braking systems. As a result, a driver experiences more responsive and effective braking when needed.
FAQs
When were car brakes invented?
The history of braking systems in modern cars started in 1902. It was when the concept of drum brakes was introduced.
What is Autonomous Emergency Braking (AEB)?
The more than century-long evolution of car brakes has led to key advancements. Autonomous Emergency Braking (AEB) is one fine example of advanced braking tech. As the name implies, the system automatically applies brakes upon obstacle or pedestrian detection.
What is Electronic Brake Force Distribution (EBD) in Cars?
An EBD system in cars ensures an even distribution of braking forces while driving. This results in better manoeuvring, cornering and braking performance of a vehicle.
Are disc brakes and drum brakes the same?
If we compare the features of drum brakes vs disc brakes, we realise both the systems have distinct functionalities. Disc brakes are more responsive and often used in front wheels, while drum brakes are more sturdy and often found in rare wheels.
This was everything about car brakes timeline and facts. All the early innovations in car brakes and key developments have contributed to the advancements in modern vehicle safety features.
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