Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to stress in body or material
Patent
1987-07-07
1989-03-14
Ro, Bentsu
Electricity: motive power systems
Automatic and/or with time-delay means
Responsive to stress in body or material
60545, 303114, 74388PS, B60T 1366, F15B 914
Patent
active
048127230
ABSTRACT:
A motor-operated brake system includes an input rod coupled to a brake pedal and displaceable with an axial thrust force commensurate with the depressing force on the brake pedal, a cylinder having at least one piston operable by the thrust force applied to the input rod for producing hydraulic pressure, the cylinder having a piston, a hydraulic pressure transmitting device for transmitting the hydraulic pressure generated by the cylinder to braking mechanisms associated respectively with wheels, a servo mechanism including an electric motor for producing rotational motion and a converting mechanism for converting the rotational motion from the electric motor to linear motion and transmitting the linear motion to the piston of the cylinder, the servo mechanism being arranged to apply an amplified force to the piston of the cylinder, a thrust detector for detecting the magnitude of the thrust force applied to the input rod, and a control device responsive to a signal from the thrust detector for generating a motor control signal to control operation of the electric motor.
REFERENCES:
patent: 3048979 (1962-08-01), Grigsby et al.
patent: 4531419 (1985-07-01), Botz et al.
patent: 4686433 (1987-08-01), Shimizu
Honda Giken Kogyo Kabushiki Kaisha
Ro Bentsu
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