Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1979-08-09
1981-06-02
Reger, Duane A.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
188159, B60T 1374
Patent
active
042708060
ABSTRACT:
A combined hydraulic and regenerative braking system and method for an electric vehicle, with the braking system being responsive to the applied hydraulic pressure in a brake line to control the braking of the vehicle to be completely hydraulic up to a first level of brake line pressure, to be partially hydraulic at a constant braking force and partially regenerative at a linearly increasing braking force from the first level of applied brake line pressure to a higher second level of brake line pressure, to be partially hydraulic at a linearly increasing braking force and partially regenerative at a linearly decreasing braking force from the second level of applied line pressure to a third and higher level of applied line pressure, and to be completely hydraulic at a linearly increasing braking force from the third level to all higher applied levels of line pressure.
REFERENCES:
patent: 2591224 (1952-04-01), Williams et al.
patent: 3275380 (1966-09-01), May
patent: 3536361 (1970-10-01), Engle
Mericle Gerald E.
Venkataperumal Rama R.
Clouse, Jr. Clifton E.
Denny James E.
Gaither Roger S.
Reger Duane A.
The United States of America as represented by the United States
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