Fluid-pressure and analogous brake systems – Speed-controlled – With failure responsive means
Patent
1996-12-30
1998-07-14
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
With failure responsive means
30312214, 303 10, 303DIG3, 3031161, 303 11, B60T 1722, B60T 888
Patent
active
057793280
ABSTRACT:
In a brake system with a controllable hydraulic pump in a hydraulic circuit, and with at least one solenoid valve, the operating state of the valve is changed in response to a control signal. As a result of the change in the operating state of the solenoid valve, the flow resistance in the hydraulic circuit is changed. Monitoring structure is provided which, in the presence of certain operating conditions, monitor the run-down behavior of the hydraulic pump in different operating states of the solenoid valve and actuate a display device to display a malfunction of the brake system when a malfunction is detected. Additionally, or alternatively, the automatic brake control can be turned off in reaction to the detection of a malfunction. It is possible for the control unit and the hydraulic unit to be replaced separately and for the installation to be tested for proper functioning.
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Brachert Jost
Braun Thomas
Gottwick Ulrich
Kornhaas Robert
Mergenthaler Rolf-Hermann
Butler Douglas C.
Robert & Bosch GmbH
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