Patent ID: 8002090

Claim:
An electro-mechanical brake apparatus comprising: a brake force generating portion provided with an outer brake pad and an inner brake pad respectively pressing an outer friction lining and an inner friction lining of a disc rotor rotating together with a wheel, a motor generating a rotating torque, and a conversion mechanism generating a pressing force of said outer and inner brake pads on the basis of said rotating torque; and an electric circuit portion having a control board for controlling the rotating torque of said motor, an inverter module supplying an electric current to said motor on the basis of a control signal from said control board, and a metal case storing said control board and said inverter module, wherein said electric circuit portion is attached to an outer side of said brake force generating portion, wherein said metal case has a first opening in an opposite side to said brake portion, a connection portion between a first current supply line supplying an electric current to said motor and a second current supply line connected to a terminal of said inverter module is arranged in a space within said metal case facing to said first opening, and said first opening is sealed by a metal member, wherein said metal case of said electric circuit portion has a second opening larger than said first opening, and a resin wall closing said second opening, in a side of said brake force generating portion, wherein a protrusion portion is formed in an opposite side to said brake portion in said metal case, and said first opening is provided in said protrusion portion, and wherein said space is provided in an inner portion of said protrusion portion, said connection portion between said first current supply line and said second current supply line is arranged in said space, and a smoothening capacitor is arranged in said space.