Hybrid vehicle brake vacuum booster system and control method thereof
A hybrid vehicle, vacuum boosting technology, applied in braking safety systems, brakes, vehicle components, etc., can solve problems such as large impact, reduce operating frequency, reduce energy consumption, and ensure braking performance.
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[0037] The present invention proposes a hybrid vehicle, especially a brake vacuum booster system and a control method for a range-extending vehicle, specifically as follows.
[0038] Such as figure 1 As shown, a hybrid vehicle brake vacuum boosting system is composed of a brake vacuum booster assembly, an engine and a power assembly. The brake vacuum booster assembly includes a brake vacuum booster, an electric vacuum pump, and The power assembly is connected to the engine by transmission, and the intake manifold inside the engine is respectively connected to the brake vacuum booster and the electric vacuum pump pipeline through a three-way solenoid valve.
[0039] The brake vacuum booster assembly includes a brake vacuum booster, a vacuum tank, and an electric vacuum pump, and the three are connected by pipelines. The brake vacuum booster is connected to the vehicle brake pedal in a driving manner and is provided with a device for detecting vacuum. degree of vacuum sensor.
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