The invention discloses a brake master cylinder. The brake master cylinder comprises a vacuum booster and a brake master cylinder body connected with the vacuum booster. The vacuum booster is provided with an output force ejector rod, a boosting push rod and a vacuum cavity; the brake master cylinder further comprises a spring seat and a spring piece arranged on a piston of the brake master cylinder in a sleeving mode, the spring seat is fixedly connected with the output force ejector rod, and the spring piece is clamped between the spring seat and a cylinder body of the brake master cylinder. A piston of the brake master cylinder is located in a vacuum cavity of the vacuum booster and located on a moving path of the output force ejector rod, and a gap is formed between the piston of the brake master cylinder and the output force ejector rod of the vacuum booster. The invention further discloses an automobile braking energy recovery system, feedback torque of an engine can be fully utilized, high braking energy recovery is supported, and the cruising ability of an automobile is improved. The invention belongs to the technical field of engines.
本发明公开了一种制动主缸,包括真空助力器和与所述真空助力器连接的制动主缸;所述真空助力器具有输出力顶杆和助力推杆以及真空腔;制动主缸还包括弹簧座和套设在所述制动主缸的活塞上的弹簧件,所述弹簧座与所述输出力顶杆固定连接,所述弹簧件夹持在所述弹簧座和所述制动主缸的缸体之间,所述制动主缸的活塞位于所述真空助力器的真空腔内并位于输出力顶杆的移动路径上,所述制动主缸的活塞与所述真空助力器的输出力顶杆之间设有间隙。本发明还公开了一种汽车制动能量回收系统,本发明可以充分利用发动机的反馈力矩,支持高制动能量回收,提高汽车的续航能力。属于发动机的技术领域。
Brake master cylinder
一种制动主缸
2021-05-07
Patent
Electronic Resource
Chinese