Mando Corporation

Samsung Sdi Co., Inc.

Hyundai Mobis Co., Ltd.

Seung Young Park

Hyun Ku

Seong Ho Choi

Sung Ho Jang

Hyeon Hee Jeong

Hyun Ki Jeong

Sung Kyoung Kim

Chung Seong Lee

Dong Jin An

Jung Suk Ko

The present invention relates to an electrode assembly and a secondary battery comprising same, wherein by adjusting at least one of a loading level of a positive electrode coating layer and a loading level of a negative electrode coating layer, the negative electrode coating layer can be prevented from unnecessarily increasing in capacity, and a minimum capacity ratio of a positive electrode versus a negative electrode can be maintained in order to minimize lithium precipitation according to the number of winding turns of an electrode assembly.

Electrode assembly and secondary battery comprising same

A steering wheel locking control apparatus may include: a power supply switch configured to receive power from a battery when an ignition switch of a vehicle is turned off; and a switch unit connected to a motor, turned on when power is received through the power supply switch, and configured to lock a steering wheel through a closed circuit formed by shorting phases of the motor.

Steering wheel locking control apparatus and method

Disclosed herein is a rotor for a wound-rotor motor. The rotor for a wound-rotor motor includes: a rotor core including a hollow formed in a central portion thereof and coupled to a shaft; a teeth portion radially formed on an outer side surface of the rotor; and a pole shoe formed to extend from an end portion of the teeth portion in one direction and including a part of a cross section of an outer side surface formed in an arc shape of a first imaginary circle (C) having a first radius (r) which is a distance from a central point (CP) of the hollow to an outermost position (P) thereof.

Rotor for wound-rotor motor and wound-rotor motor having the same

A power supply apparatus for a field winding motor. A brush is disposed is a holder. An armature is connected to the brush and disposed in the holder. A slip ring is electrically connected to or disconnected from the brush. A support spring surrounds the brush between the slip ring and the armature. A coil is disposed outside of the holder so as to overlap the support spring and the armature. A first power terminal is connected to the brush and supplies a first driving current. A second power terminal is connected to the coil and supplying a second driving current.

Power supply apparatus for field winding motor and field winding motor including the same

The present invention is directed to an electromechanical brake device for securing the structural reliability and improving the stability even when overloading. The electromechanical brake device configured to brake by pressing a disk-shaped disc, which is rotated with motor vehicle wheels, with a pair of friction pads, and including a piston unit configured to move the friction pads in a direction of the disc, including: an internal shaft connected to an external motor so as to rotate when the motor is driven; an external shaft, in which an end of the internal shaft is inserted, configured to rotate together when the internal shaft is rotated, and to which the piston unit is connected so as to move in the disc direction; and a load control unit provided between the internal shaft and the external shaft, so that the external shaft is rotated together when the internal shaft is rotated, and the internal shaft and the external shaft are rotated at different speeds when a load of a predetermined value or more is applied between the internal shaft and the external shaft.

Electromechanical brake device

Provided is a brake apparatus for an electric corner module (ECM) including: a housing; a shaft, of which both ends are accommodated in accommodation portions of the housing; a planet gear connected to the shafts; and a driving unit that transmits power to the shaft, moves the planet gear in an axial direction and induces friction between the housing and the planet gear. That is, in a brake apparatus for an ECM, a planet gear is moved in an axial direction using a driving unit so as to induce friction between a housing and the planet gear and thus confinement forces of the planet gear are generated so that a brake function can be implemented by blocking power transmission using a decelerator and the weight of a wheel can be reduced and the size of a power transmission system can be reduced and optimization of packaging can be implemented.

Brake apparatus for electric corner module

A hydraulic brake system includes a master cylinder forming a braking hydraulic pressure and wheel brakes receiving the braking hydraulic pressure and exerting a braking force. A first hydraulic circuit controls an oil pressure transmission by connecting a first port of the master cylinder and two wheel brakes, and a second hydraulic circuit controls the oil pressure transmission by connecting a second port of the master cylinder and remaining wheel brakes. A hydraulic block communicates main passages of the first and second hydraulic circuits with each other by a communication passage having one side opened. Pumps are mounted on the main passages to discharge oil toward the wheel brake or the master cylinder, and an orifice is mounted on each of the other side of the main passages. A damper assembly is coupled to the communication passage provided between an output port side of the pump and the orifice.

Hydraulic brake system

A hydraulic brake system includes a master cylinder, a wheel brake, an electronic valve provided to each of an inlet and an outlet of each of wheel brakes, a pump compressing oil stored in a low pressure accumulator such that oil is ejected towards the wheel brake or master cylinder, an orifice disposed near an outlet port of the pump, a first hydraulic circuit connecting a first port of the master cylinder to two wheel brakes to control transmission of hydraulic pressure, and a second hydraulic circuit connecting a second port of the master cylinder to the remaining two wheel brakes to control transmission of hydraulic pressure, wherein a damper unit is disposed between the outlet port of the pump and the orifice to relieve a pulsation phenomenon. The damper unit allows main flow passages of the first and second hydraulic circuits to communicate with each other therethrough.

A hydraulic brake system includes: a master cylinder forming a braking hydraulic pressure according to an operation of a brake pedal; wheel brakes provided in front and rear wheels of a vehicle to receive the braking hydraulic pressure of the master cylinder and exert a braking force; a first hydraulic circuit controlling an oil pressure transmission by connecting a first port of the master cylinder and two wheel brakes; a second hydraulic circuit controlling an oil pressure transmission by connecting a second port of the master cylinder and remaining two wheel brakes; a hydraulic block communicating main passages of the first and second hydraulic circuits with each other, the hydraulic block being provided with a communication passage having one side opened, such that the first and second hydraulic circuits pass through the communication and a damper member including a stepped piston embedded into the hydraulic block and reciprocating the communication passage.

Disclosed is a hydraulic brake system capable of reducing periodic pressure pulsation caused by operation of a piston. The hydraulic brake system includes a master cylinder generating braking hydraulic pressure by operation of a brake pedal, a wheel brake provided to each of front right and left wheels and rear right and left wheels of a vehicle to receive the braking hydraulic pressure from the master cylinder to generate braking force, a solenoid valve provided to each of an inlet and an outlet of each of the wheel brakes to control flow of the braking hydraulic pressure, a low pressure accumulator temporarily storing oil, which is ejected from the wheel brakes during operation of the solenoid valves, a pump compressing the oil stored in the low pressure accumulator such that the oil is ejected towards the wheel brakes or the master cylinder as needed, and an orifice disposed near an outlet port of the pump. Further, a damper unit is disposed between the outlet port of the pump and the orifice to reduce pressure pulsation caused by operation of the piston, thereby improving product reliability through noise reduction during brake control.

Growing community of inventors

Yongin-si, South Korea

Seung Young Park