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Class Information
Number: 303/122.14
Name: Fluid-pressure and analogous brake systems > Speed-controlled > With failure responsive means > Pressure failure > Auxiliary pressure failure > With warning
Description: Auxiliary pressure failure in which the faulty operation is indicated to a vehicle operator.

Patents under this class:

Patent Number Title Of Patent Date Issued
7823985 Brake system Nov. 2, 2010
7204567 Method and device for detecting residual pressure in a braking system in particular in a braking cylinder Apr. 17, 2007
7168771 Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic drive devices for carrying out the methods Jan. 30, 2007
7047120 Vehicle and method for controlling brake system indicators May. 16, 2006
5884986 Anti-lock brake control system for automotive vehicles Mar. 23, 1999
5779328 Method for monitoring a brake system Jul. 14, 1998
4890891 Antilock system for a road vehicle Jan. 2, 1990
4792192 Automatic brake source select system Dec. 20, 1988
4767165 Slip-controlled brake system Aug. 30, 1988
4743073 Hydraulic system for automotive vehicles May. 10, 1988
4728156 Apparatus for monitoring the auxiliary energy pressure of a slip-controlled brake system and switch failure indicating arrangement therefor Mar. 1, 1988
4703978 Hydraulic brake system Nov. 3, 1987
4647114 Hydraulic brake system Mar. 3, 1987
4586591 Pressure-fluid-operable vehicle brake system May. 6, 1986
4550954 Hydraulic vehicle brake system Nov. 5, 1985
4489555 Hydraulic dual-circuit brake booster Dec. 25, 1984
3981543 Skid control system embodying fail safe bypass Sep. 21, 1976
3963276 Skid control system embodying fail safe bypass Jun. 15, 1976
3936095 Fail safe indicator for skid control system Feb. 3, 1976

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