Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1983-05-31
1985-01-15
Maslousky, Paul E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91376R, F15B 910
Patent
active
044932430
ABSTRACT:
In a vacuum suspended type servo device, there is arranged a power ratio adjusting means for adjusting the power multiplying characteristic of the servo device to a desired degree. The power ratio adjusting means comprises a reaction lever having a bent portion which is pivotally seated on the power piston to act as a fulcrum of the reaction lever, a plunger member movable with an input member to which an input force is applied when a brake pedal is depressed, the plunger member having a shoulder portion to which one end of the reaction lever is engaged when the reaction lever pivots to a certain degree, a support member fixed to an output member connected to the master cylinder piston, a reaction member movably supported by the support member, the reaction member having a projection which is in contact at its top end with the reaction lever, and an electrically actuated moving means for moving the reaction member so that the projection of the reaction member is movable along the axis of the reaction lever between the end of the lever and the bent portion of the lever.
REFERENCES:
patent: 3009445 (1961-11-01), Wuellner
patent: 3009449 (1961-11-01), Rike
patent: 3033173 (1962-05-01), Bauman
patent: 3209658 (1965-10-01), Randol
patent: 3952518 (1976-04-01), Pech et al.
patent: 4095509 (1978-06-01), Tateoka et al.
patent: 4100838 (1978-07-01), Tateoka et al.
Maslousky Paul E.
Nissan Motor Company Limited
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