Maxus car vacuum booster drum role

A vacuum (negative pressure) is used to increase the force applied to the pedal by the driver. A large force drum is also known as a vacuum booster. The vacuum booster is usually located between the brake pedal and the brake master cylinder, and for ease of installation, is usually combined with the master cylinder in one assembly, with a portion of the master cylinder going deep into the vacuum booster housing.

The brake power drum is also known as the vacuum booster pump, a device located in the engine compartment. When the driver presses the brake pedal, the vacuum booster pump can amplify the driver's force on the brake pedal, which can be understood as the vacuum booster pump helping the driver to press the brake together.

The working principle of the brake booster pump is as follows:

The brake booster pump uses the principle that the engine works by inhaling air, causing a vacuum on one side of the booster, which produces a pressure difference relative to the normal air pressure on the other side, using this pressure difference to strengthen the braking thrust. Even if there is only a small pressure difference between the two sides of the diaphragm, due to the large area of the diaphragm, it can still generate a large thrust to push the diaphragm to the end of the pressure small;

In the working state, the push rod return spring makes the brake pedal in the initial position, at this time, the vacuum tube and vacuum booster connection position of the one-way valve is open, in the booster internal, the diaphragm will be divided into vacuum gas chamber and application gas chamber, the two chambers can be connected, in most of the time the two are isolated from the outside world, though there are two valve device can realize the gas chamber and the atmosphere connected;

In the engine running, depress the brake pedal, under the action of the push rod, the valve of the vacuum closed, at the same time, the other end of the push rod air valve was opened, to air into the (depress the brake pedal to produce gasping sound reason) will cause the chamber air pressure imbalance state, under the action of negative pressure, the diaphragm is pulled to the brake master cylinder end, and then drive the brake master cylinder push rod, which will achieve the leg force Further amplification of the function

Our company includes a variety of a MAXUS models parts,

LightBus:V80/V90/V100/H90/EV90

SUV: D60/EUNIQ 6/D90 PRO/D90

MPV: EUNIQ 5/EUNIQ 7/G10/G20/G50/EG10/MIFA 9/RG10

Minvan: EV30Pickup: T60/T70/T90

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Locating the Fuel Pump: A Detailed Guide for Automotive Enthusiasts 2025-04-25 11:50:00

Locating the Fuel Pump: A Detailed Guide for Automotive Enthusiasts Understanding the Role of a Fuel Pump The Fuel Pump’s Job in Vehicle Performance The fuel pump serves as a crucial element in every car's fuel setup. Its primary job involves transporting gasoline from the storage container to the motor. This transfer happens at appropriate pressure levels and flow rates. This ensures the engine operates efficiently. It works well in different driving conditions. When the pump malfunctions, ignition becomes challenging. The automobile might suddenly shut down. Complete operational failure could occur. Warning symptoms typically involve motor spluttering. Other signs include sluggish pickup during acceleration. Drivers might notice difficulty maintaining consistent velocity. Types of Fuel Pumps and Their Uses Mechanical Fuel Pumps Mechanical fuel pumps are commonly found in vintage vehicles featuring carbureted engines. They operate through a diaphragm mechanism. This component gets activated by the engine’s camshaft or crankshaft. These units deliver fuel at lower pressure to carburetors. Carbureted systems don’t require high-pressure fuel supply. While reliable, they’re not as energy-efficient as contemporary systems. Modern vehicles seldom incorporate these older pump designs. Electric Fuel Pumps Electric fuel pumps are standard equipment in modern vehicles equipped with fuel injection systems. They run on electrical power. This setup delivers high-pressure fuel directly into the injectors. These pumps offer superior energy efficiency. They can also meet the demands of performance-tuned motors. Manufacturers like BYD, CHANGAN, and GEELY frequently integrate these pumps. Their choice stems from dependable operation and seamless compatibility with cutting-edge engine technology. Inline vs. In-Tank Fuel Pumps Electric fuel pumps come in two types based on where they’re placed in the car’s fuel system. Inline Fuel Pumps: These sit along the fuel line between the tank and engine. They’re easier to reach for repairs. But their outside position makes them more likely to overheat. In-Tank Fuel Pumps: These are inside the fuel tank. Being surrounded by fuel keeps them cool while running. This setup also cuts down noise and boosts efficiency. Common Locations of Fuel Pumps in Vehicles In-Tank Fuel Pumps Advantages of In-Tank Placement Placing the pump in the tank has several perks. The fuel around it cools the pump motor. This design also prevents vapor lock—a problem where air bubbles form in the fuel line. It ensures steady performance, even in hot weather or low-pressure conditions. Inline Fuel Pumps Finding the Pump in Different Vehicle Models To find an in-tank fuel pump, you would normally stretch through a panel behind the rear seats or trunk. Most models for brands like GEELY or CHANGAN have a replaceable panel for easy maintenance. 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How to Test a Fuel Pump: A Step-by-Step Professional Guide 2025-04-24 11:50:00

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