(under subclass 113.1) Structure wherein the fluid pressure regulator cooperates with a power assist device associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device.
SEE OR SEARCH CLASS
60, Power Plants,
545, for a pulsator having electrically or magnetically operated structure, subclass 561 for a pulsator having a pressure balancing free piston or a diaphragm between parallel pulsators, subclass 581 for plural structurally related master pistons, cylinders or pulsator circuits, and subclass 582 for a pulsator having a safety standby structure becoming operative due to the malfunction of a power booster system.
91, Motors: Expansible Chamber Type,
391+, for booster arrangement with alternative means of actuation upon failure of the primary means of actuation.
