Electric control power-assisted pump, electric control power-assisted braking system and automobile

• Main Authors: XU XUCHU, ZHU XINXING, ZHANG BOPING, LI XUANXUAN
• Format: Patent
• Language: Chinese; English
• Published: 08.10.2019
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

The invention discloses an electric control power-assisted pump, an electric control power-assisted braking system and an automobile. The electric control power-assisted pump comprises a controller, amotor and an actuator, wherein the controller is in signal connection with the motor and can control operation of the motor; the actuator comprises a first shell and a planetary roller screw arrangedin the first shell, the planetary roller screw comprises a lead screw and a nut sleeving the lead screw, and a plurality of rollers are further arranged between the lead screw and the nut; the lead screw is connected with a rotating shaft of the motor, and the lead screw and the rotating shaft of the motor can rotate synchronously and can drive the nut to perform linear displacement so as to drive a piston of a braking part of the electric control power-assisted braking system to perform displacement; and the electric control power-assisted pump further comprises a lubricating mechanism, wherein the lubricating mechan