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Class Information
Number: 303/9.71
Name: Fluid-pressure and analogous brake systems > Multiple fluid-receiving devices > Multiple motors > Apportioning control > Having significant pressure control by front brake
Description: Subject matter wherein the means for varying the fluid flow is substantially affected by the amount of fluid pressure present in a fluid line connected to a fluid pressure operated, forward motor used for stopping a vehicle.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8527176 Method for measuring pressure in a pressure regulation unit of a motor vehicle braking system, and a motor vehicle braking system in which the method is implemented Sep. 3, 2013
7976109 Failsafe operation of a hybrid brake system for a vehicle Jul. 12, 2011
7837280 Vehicle brake system Nov. 23, 2010
7681959 Method for brake pressure distribution between the axles of a vehicle Mar. 23, 2010
7651174 Pressure limiting device for a hydraulic braking circuit of vehicle Jan. 26, 2010
7497525 Roll-related reactive system Mar. 3, 2009
7431131 User interface for braking a vehicle Oct. 7, 2008
7114787 Braking system for trailers of utility vehicles Oct. 3, 2006
7059691 Vehicle brake system Jun. 13, 2006
6587774 Method and system for operating a brake system of a motor vehicle having traction control Jul. 1, 2003
6338533 Brake assembly for a motorcycle Jan. 15, 2002
6322167 Process and device for controlling the braking force distribution in a vehicle Nov. 27, 2001
6267454 Method of controlling brake force Jul. 31, 2001
6203122 Electronic braking-force-distribution method Mar. 20, 2001
6135576 Control behavior of an anti-locking brake system Oct. 24, 2000
6089679 Vehicle braking system adapted to optimize distribution of braking forces Jul. 18, 2000
5979996 Traction control device for rear-wheel drive vehicle Nov. 9, 1999
5902019 Method for controlled braking of a motor vehicle May. 11, 1999
5855419 Process for controlling a distribution of braking force in a vehicle Jan. 5, 1999
5641209 Vehicle braking system distribution of front and rear braking forces is controlled according to two different distribution patterns depending upon vehicle load Jun. 24, 1997
5482361 Brake system with adjustably variable front/rear axle braking force distribution Jan. 9, 1996
5340212 Proportioning relay valve disabled by failed front braking circuit Aug. 23, 1994
5284385 ABS control with rear pressure rate reduction when front pressure and time conditions are met Feb. 8, 1994
5282674 Front/rear apportioning control based on vehicle turning Feb. 1, 1994
5190358 Antilock brake system for providing different brake pressures to front and rear wheel circuits Mar. 2, 1993
5186523 Brake compensator for a motor vehicle Feb. 16, 1993
5180211 Brake system for automotive vehicles with electronically controlled brake force distribution and with anti-lock control Jan. 19, 1993
5169212 Reversible proportioning valve Dec. 8, 1992
5042884 Hydraulic braking systems for vehicles Aug. 27, 1991
4969697 Pressure differential release valve Nov. 13, 1990
4923253 Braking system for aircraft towing vehicle May. 8, 1990
4896923 Dual hydraulic brake system Jan. 30, 1990
4890890 Vehicle brake system having an anti-skid apparatus Jan. 2, 1990
4861114 Proportioning control valve for use with antilock device Aug. 29, 1989
4850650 Hierarchical brake controller Jul. 25, 1989
4840434 Vehicle brake system having an anti-skid apparatus Jun. 20, 1989
4821519 Primary pressure-balanced proportioning valve Apr. 18, 1989
4747643 Motor vehicle having two driven axles and brake system May. 31, 1988
4637664 Anti-skid control apparatus for a vehicle braking system Jan. 20, 1987
4511185 Brake pressure regulator for an hydraulic vehicle braking system Apr. 16, 1985
4500138 Brake oil pressure controlling valve device for vehicles Feb. 19, 1985
4477122 Hydraulic pressure control valve for automobile braking system Oct. 16, 1984
4458953 Hydraulic braking pressure control device Jul. 10, 1984
4346941 Hydraulic pressure control valve device of hydraulic brake system for vehicles Aug. 31, 1982
4317598 Dual-circuit pressure regulator Mar. 2, 1982
4313642 Control valve for vehicle brake systems having two brake circuits Feb. 2, 1982
4302056 Dual type hydraulic braking system for a vehicle Nov. 24, 1981
4289359 Brake force regulator for a motorcycle hydraulic brake system Sep. 15, 1981
4284308 Brake pressure control valve Aug. 18, 1981
4274518 Brake force regulator for a motorcycle hydraulic brake system Jun. 23, 1981

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