Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1996-05-28
1998-09-15
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
188 3H, B60T 720
Patent
active
058069372
ABSTRACT:
A trailer braking system for applying hydraulic brake pressure to a trailer includes a master brake cylinder mounted to a flange body carried by the trailer frame. The master cylinder is hydraulically connected to the trailer brakes as well as to a feedback control cylinder. An electronic brake controller is electronically connected to an electromagnet positioned adjacent to, but spaced apart from an iron bar carried by a control system lever. When the electronic brake controller forwards a signal to the electromagnet, it is energized and attracts the iron bar thereby moving the control system lever toward an energized stop. Movement of this control system lever forwards a signal to a control valve which exhausts air from an air spring. As air is exhausted from the air spring, an actuator lever and an interconnected actuator rod are moved toward the master cylinder. Movement of the actuator rod applies brake pressure to the trailer brakes, and also supplies pressure to the feedback control cylinder. After a predetermined pressure has been reached in the feedback control cylinder, an actuator button 96 is forced upward thereby moving the iron bar away from the electromagnet. When trailer braking pressure is no longer required, the control valve inflates the air spring via air from an air compressor filled air reservoir. In an alternate embodiment, the air spring is inflated to apply brake pressure and exhausts when trailer brake pressure is no longer required.
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Oberleitner Robert J.
Schwartz Chris
Trailer Component Innovations, LLC.
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