Power plants – Pressure fluid source and motor – Pulsator
Patent
1980-11-03
1986-01-07
Maslousky, Paul E.
Power plants
Pressure fluid source and motor
Pulsator
91369A, 91376R, F15B 910
Patent
active
045626960
ABSTRACT:
A fluid pressure servomotor for automotive vehicle wheel brake system including a housing having a movable wall therein for reciprocable movement, the movable wall dividing the housing into two compartments, one on each side of the movable wall. The two compartments cooperate to produce a pressure differential on opposite sides of the movable wall that causes the wall to be moved by the higher pressure in the direction of the lower pressure. The servomotors further have a control valve operated by the operator of the vehicle that regulates the degree of vacuum or less than atmospheric pressure established at one side of the movable wall. The movable wall is usually connected with the master cylinder of the hydraulic brake system of the motor vehicle so that when a pressure differential is effective on the movable wall and hence a power movement of the wall is produced, hydraulic fluid is displaced from the master cylinder into the hydraulic fluid brake system to apply the hydraulic brakes of the vehicle.
REFERENCES:
patent: 3688647 (1972-09-01), Kytta
patent: 4173172 (1979-11-01), Ohmi
patent: 4200029 (1980-04-01), Ohmi
patent: 4227371 (1980-10-01), Takeuchi
patent: 4257312 (1981-03-01), Ohmi
Aisin Seiki Kabushiki Kaisha
Maslousky Paul E.
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