Mando Corporation

Other

Jong-Gu Son

Sung-Wook Yu

Dong Yo Ryu

Young-Hun Kong

Disclosed is an electronic disc brake. The electronic disc brake includes a disc configured to rotate with vehicle wheels, a caliper housing configured to operate pad plates installed at both sides of the disc, and an actuator having a piston provided inside the caliper housing to press the pad plates to adhere the pad plates to the disc, a spindle rotatably installed at the caliper housing to reciprocate the piston, an electric motor configured to rotate the spindle, and a decelerator configured to transmit a rotational force of the electric motor to the spindle, wherein the decelerator includes a power connection unit connected to the electric motor, planetary gear units configured to connect the power connection unit to the spindle, and a center pin configured to pass through the power connection unit and the planetary gear units, and the center pin is fitted into the power connection unit and the planetary gear units to be rotatable relative thereto.

Electronic disc brake

Disclosed herein is an electronic parking brake including: a carrier fixed to a body of a vehicle; a caliper housing that is slidably installed in the carrier; a motor that is disposed at an outside of the caliper housing and generates a rotational force; a decelerator that amplifies the rotational force of the motor; and a conversion unit that converts a rotational force transmitted from the decelerator into a rectilinear motion, wherein the decelerator includes a belt planetary gear part, and the belt planetary gear part includes: a solar gear rotated by receiving the rotational force of the motor; a belt gear engaged with the solar gear; a transmission plate that is connected to the belt gear and has belt support parts for supporting the belt gear so that the belt gear is rotatable; and a ring gear that is engaged with an outer surface of the belt gear and fixed to the belt gear so as to rotate the transmission plate.

Electronic parking brake

Disclosed is an electric caliper brake. The electric caliper brake includes a carrier including a pair of pad plates installed to be moveable forward and backward, a caliper housing configured to be installed to be slidable on the carrier and to have a cylinder in which a piston of which an inside is dug in a form of a cup is moveable forward and backward due to a brake hydraulic pressure, a power conversion unit including a spindle member installed to pass through a rear of the cylinder and rotating due to a rotational force delivered from an actuator and a nut member screw-coupled to the spindle member, disposed in the piston, moving forward and backward according to rotation of the spindle member, pressurizing the piston, and releasing the pressurizing, and a filling member configured to be disposed in the piston in such a way that rotation of the filling member is limited, the filling member being coupled to the nut member.

Electric caliper brake

Disclosed is an electronic disc brake. The electronic disc brake includes a disc configured to rotate with vehicle wheels, a caliper housing configured to operate pad plates installed at both sides of the disc, and an actuator having a piston provided inside the caliper housing to press the pad plates to adhere the pad plates to the disc, a spindle rotatably installed at the caliper housing to reciprocate the piston, an electric motor configured to rotate the spindle, and a decelerator configured to transmit a rotational force of the electric motor to the spindle. The decelerator includes a power connection unit connected to the electric motor, planetary gear units configured to connect the power connection unit to the spindle, and a center pin configured to pass through the power connection unit and the planetary gear units. The power connection unit includes a driving gear provided at a shaft of the electric motor and a driven gear connected to the planetary gear units. The planetary gear units each include a sun gear, a plurality of planetary gears engaged to an outer portion of the sun gear, a ring gear which is an internal gear configured to accommodate the planetary gears, a carrier installed to rotatably support the planetary gears and coaxially rotate with the sun gear and configured to and to output a rotational power, and an output shaft provided on the carrier and coupled to the spindle. The center pin has one end press-fitted and fixed to the output shaft.

Disclosed herein is a variable pedal feeling adjustment device. A pedal simulator includes a simulator block formed with an oil hole at an upper portion thereof which is connected to a master cylinder to receive hydraulic pressure caused by pedal effort of a driver and a bore which communicates with the oil hole, a first reaction unit and a second reaction unit arranged in series in the bore and configured to be pressurized sequentially by pedal effort, and a damping housing configured to support the second reaction unit and installed to a lower portion of the bore while being restricted in rotation. An actuator includes a spindle screw-coupled to the damping housing and a motor connected to the spindle to supply rotational force to the spindle. The damping housing is moved linearly and changed in position by forward and backward rotation of the spindle.

Variable pedal feeling adjustment device

Disclosed herein is an electronic parking brake. According to one embodiment of the present invention, the electronic parking brake which includes a carrier in which a pair of pad plates disposed to press a disc rotated together with a wheel of a vehicle is installed to be moved forward and backward, a caliper housing slidably installed at the carrier and having a cylinder in which a piston is installed to be moved forward and backward by a braking hydraulic pressure, a motor disposed at an outer side of the caliper housing to generate a rotational force in forward and reverse directions, a conversion unit configured to convert the rotational force of the motor into a linearly reciprocating motion and transmit the converted force to the piston, and a decelerator disposed between the motor and the conversion unit and configured to decelerate the rotational force of the motor and transmit the decelerated rotational force to the conversion unit, includes an adaptor coupled with a rotational shaft of the motor and connected with an output gear of the decelerator, wherein the rotational shaft and an output shaft of the output gear are coaxially connected in series through the adaptor, and the output gear is supported by the adaptor to prevent shaking when being rotated.

Growing community of inventors

Seoul, South Korea

Jong-Gu Son