06
2021
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08
What is a car vacuum pump?
The braking system of a family car generally relies on hydraulic transmission as the medium. Compared to a pneumatic braking system that can provide power, it requires an auxiliary system to assist the driver in braking. The vacuum brake assist system can also be called a vacuum servo system.
1. The braking system of family cars generally relies on hydraulic transmission as the medium. Compared to pneumatic braking systems that can provide power, it requires an auxiliary system to assist the driver in braking. The vacuum brake assist system can also be called a vacuum servo system.
2. For vehicles driven by diesel engines, since their engines use compression ignition, they cannot provide the same level of vacuum pressure at the intake manifold. This requires the use of a vacuum pump that can provide a vacuum source. Additionally, engines designed to meet certain automotive emission and environmental requirements also need it to provide sufficient vacuum to ensure the vehicle can operate normally.
3. Its main function is to utilize the vacuum generated by the engine during operation to provide sufficient assistance when the driver steps on the brake, making it easier for the driver to brake. However, if the vacuum pump fails, there will be a lack of assistance, making the brake feel heavier. Additionally, the braking effect will also decrease, and sometimes it may even fail, indicating that the vacuum pump has malfunctioned.
Extended Information
1. Electric vacuum pumps can provide any vacuum required by vehicles, especially electric vehicles, hybrid vehicles, and diesel vehicles. Once the gasoline engine cannot provide sufficient vacuum, the electric vacuum pump can timely connect to continuously provide vacuum to ensure the normal operation of the brake booster and vacuum brakes.
2. Continental Group conducted road tests on the reduction of carbon dioxide emissions due to electric vacuum pumps. The test results showed that electric vacuum pumps reduced carbon dioxide emissions by an average of 1.4 to 1.8 grams per kilometer, with specific amounts varying due to differences in fuel and vehicle size.
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