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| Number | Title | Issue Date |
| 7658453 | Service brake relay with integrated quick release valve A combination quick release and service relay brake valve assembly is used to consolidate multiple valve functions within a common valve assembly, which reduces cost and overall complexity in an associated vehicle brake system. The combination quick release and serv... | 02/09/2010 |
| 7407233 | Pneumatically actuated parking brake for electronic braking system A parking brake system pneumatically actuates an air cylinder to mechanically lock a wheel brake in an applied position in response to a parking demand request. The parking brake system includes a dual hand control that has an electronic control element and a pneuma... | 08/05/2008 |
| 7357462 | Hydraulic brake system for a wind energy plant The hydraulic brake system comprises a piston/cylinder unit (14) for activating and releasing a brake (12), comprising a volume (16) adapted to have a pressurized working fluid supplied thereto for moving the piston (24) from a braking po... | 04/15/2008 |
| 7347506 | Arrangement and method for activating an emergency brake function within a vehicle Method and apparatus for activation of an emergency brake function (8; 8′) within a vehicle (1) when a first brake circuit and a second brake circuit are out of order. A first sensor (20; 20′) is included for detecting whether the pressure (... | 03/25/2008 |
| 7320506 | Method for reconditioning a friction couple in a service brake and a vehicle including a friction couple arranged in said vehicle Method and apparatus for providing a vehicle having a service brake of the drum or disc brake type, a secondary brake, a control system for the distribution of a requested brake power between the service brake and secondary brake and an arrangement for the reconditi... | 01/22/2008 |
| 7300118 | Electronic park brake valve system for air brakes vehicles A vehicle brake system includes a source of fluid pressure adapted to supply a braking force a brake actuator including a parking brake chamber, and a combination valve fluidly coupling the brake actuator to the source of pressure, the combination valve having an in... | 11/27/2007 |
| 7216941 | Parking brake lock-in key switch system with automatic application for a vehicle with an air brake system A parking brake system for motor vehicle air brakes provides automatic engagement of the parking brakes when a gearshift lever is moved to park, but requires manual disengagement of the parking brakes. The effect is achieved in part by controlling the discharge cond... | 05/15/2007 |
| 7204563 | Park brake interlock and trailer brake valve assembly A brake system for a tractor-trailer vehicle includes a service brake system and a park brake system. The service and park brake systems are used to brake both a tractor and a trailer towed by the tractor. A trailer hand control valve is actuated by a vehicle operat... | 04/17/2007 |
| 7194345 | Compressed air processing system for motor vehicles A compressed air processing system for motor vehicles includes a pressure control unit, an air dryer, a multi-circuit protection valve and an electronic control unit. The electronic control unit controls the valves of the pressure control unit, the valves of the air... | 03/20/2007 |
| 7191862 | Apparatus for stopping a vehicle An apparatus for externally controlling one or more brakes on a vehicle having a pressurized fluid braking system. The apparatus can include a pressurizable vessel that is adapted for fluid-tight coupling to the braking system. Impact to the rear of the vehicle by a... | 03/20/2007 |
| 7124691 | Method for monitoring and controlling locomotives The present invention is directed to a locomotive comprising energy storage units, such as batteries, a prime energy source, such as a diesel engine, and an energy conversion device, such as a generator. The locomotive comprises one or more of the following features... | 10/24/2006 |
| 7077481 | Spring brake modulating relay valve A combined spring brake modulating relay valve integrates the functions of a relay valve and a modulating valve. The housing includes a valve assembly movable in response to air pressure provided to selected ports in the housing. A relay piston selectively communica... | 07/18/2006 |
| 7048095 | Hydraulically actuated parking brake A parking brake system including at least one braking unit actuated by at least one cable, a cylinder having a piston chamber and a rod chamber, a piston slidably received within the cylinder and having a rod connected thereto, the rod extending through the rod cham... | 05/23/2006 |
| 6991301 | Brake system for railway vehicles The invention relates to a brake system for a railway vehicle. Said brake system comprises a main air reservoir line which is fed by an air compressor unit. Every bogie truck is provided with at least one compressed-air line which is connected to the main air reserv... | 01/31/2006 |
| 6964458 | Device for automatically resetting the emergency brake on trains The device for automatically resetting the emergency brake on trains, allows the railway staff to maintain control over the train, above all in critical situations, so that the said train can be moved far enough to bring it out of a tunnel or a dangerous situation. ... | 11/15/2005 |
| 6913123 | Method and device for service braking Service braking of a vehicle can be carried out by way of a service brake actuator having an electric motor for applying its service brake. Energy from a loaded spring in a spring brake actuator connected to the service brake actuator can be released at will for sup... | 07/05/2005 |
| 6896338 | Hydraulic braking system featuring selectable increased pump flow An automotive braking system controls the flow of pressurized brake fluid from a tandem master cylinder to several wheel brakes via a pair of braking circuits. Each circuit features a pressure relief line having, in series, a normally-closed valve, low-pressure accu... | 05/24/2005 |
| 6705683 | Method for monitoring the emergency braking capability of an electrohydraulic braking system To monitor the emergency braking capability of an electro-hydraulic braking system (EHBwherein, during normal operation, the brake pressure in the wheel brakes is generated by means of a pressure source comprised of a hydraulic pump, an umulator, and hydraulic valve... | 03/16/2004 |
| 6691836 | Brake auxiliary device A brake auxiliary device is proposed, including a resilient mechanism having an upper support member mounted on a bottom surface of a vehicle, and a lower support member properly spaced apart from the upper support member at a position above a wheel shaft... | 02/17/2004 |
| 6669308 | Brake system for railway vehicles The invention relates to a brake system (100) for a railway vehicle (1). Said brake system comprises a main air reservoir line which is fed by an air compressor unit (22). Every bogie truck (3) is provided with at least one compressed-air line which is co... | 12/30/2003 |
| 6655750 | Combination inversion and relay or quick release valve assembly A combination valve assembly provides dual functionality within a single valve housing. In one example, the valve operates as a combination inversion valve and quick release valve. In another example, the combination valve operates as an inversion valve a... | 12/02/2003 |
| 6655749 | Accelerator actuated emergency braking system An enhanced emergency brake assist system includes an accelerator pedal operated by the driver coupled to a braking system and used to control the overall vehicle speed. When a forward detection apparatus detects an imminent contact, the braking system au... | 12/02/2003 |
| 6550870 | Parking brake control An electrical circuit for selectively operating a vehicle parking brake (16) with the energizing and de-energizing of a coil (50) of a solenoid valve (30) in response to an operator input. The electrical circuit comprising a source of electrical energy (V... | 04/22/2003 |
| 6540307 | Emergency brake system using a load-responsive apportioning valve A rear axle braking system for a vehicle has a primary electronic braking circuit supplied with a source of primary braking pressure and a mechanical back-up braking circuit supplied with a source of back-up braking pressure. The braking actuator receives... | 04/01/2003 |
| 6523912 | Autonomous emergency braking system An autonomous emergency braking system includes an accelerator pedal operated by the driver coupled to a braking system and used to control the overall vehicle speed. When a forward detection apparatus detects an imminent contact, the braking system autom... | 02/25/2003 |
| 6476515 | Vehicle electric control system with input device connected to central and peripheral control devices for controlling actuator An electric control system for an automotive vehicle, including a peripheral control device for electrically controlling an actuator device, a central control device connected to the peripheral control device, and an input device, wherein the central cont... | 11/05/2002 |
| 6312060 | Dual mode emergency braking apparatus and method of use thereof A dual mode brake system includes a first fluid actuated brake and a second spring actuated fluid released brake configured to spring actuate the first brake in the absence of receiving sufficient fluid pressure at the second brake. A first fluid control ... | 11/06/2001 |
| 6275165 | A.A.R. compliant electronic braking system A system reliably communicates brake commands from a master controller on a lead locomotive to the brake equipment on each rail vehicle of a freight train. The system includes a mechanism for detecting whether the brake commands are being successfully com... | 08/14/2001 |
| 6270168 | Pneumatically-operated braking system for tractor-trailer combinations A pneumatically-operated braking system for a tractor-trailer combination incorporates a trailer control valve (4) for providing braking pressure for the trailer. The control valve (4) is adapted to be actuated by a pressure differential acting across it ... | 08/07/2001 |
| 6254202 | Vehicle braking apparatus A vehicle capable of performing automatic driving can be braked with a hydraulic braking pressure produced by a master cylinder having a vacuum booster and a hydraulic braking pressure produced by a hydraulic pressure pump provided to an ABS/B-TCS hydraul... | 07/03/2001 |
| 6106079 | Brake system valve having an anti-compounding feature A brake system valve having an anti-compounding feature is provided, comprising: a brake housing; a vent port in the housing; first and second control ports in the housing; a piston mounted within the housing, the piston having a passage connecting the ve... | 08/22/2000 |
| 6030053 | Automatic emergency brake system for automotive vehicle An automatic emergency brake system for an automotive vehicle with an assistor having a backward push rod connected to a forward push rod coupled with a master cylinder's piston via a power piston and pushing the power piston so as to augment a force appl... | 02/29/2000 |
| 6012783 | Process for the temperature-dependant actuation of an additional pressure medium source in slip-controlled motor vehicle braking systems, and breaking system for the implementation of this process Process for temperature-dependent actuation of a supplemental pressure medium source in slippage-controlled motor vehicle braking systems. The invention pertains to a process for operating a slippage-controlled motor vehicle braking system with regulation... | 01/11/2000 |
| 5740029 | Software algorithm providing dynamic configuration of dead band control criteria within a micro based real time process control environment The invention provides a real time process control system for control of machinery. The system has a master control module and a slave control module which receives control signals from the master control module. Both control modules send control signals ... | 04/14/1998 |
| 5700067 | Hydraulic braking system, especially for motor vehicles A braking system is disclosed that has a manually-actuatable master cylinder having two pressure chambers. A first pressure chamber hydraulically controls a flow control valve through which the pressure medium flows during servo-braking in order to adjust... | 12/23/1997 |
| 5564795 | Electropneumatic brake control system parking brake A braking system including a brakepipe control valve which controls pressure on a brakepipe in response to braking pressure signal from an electropneumatic converter. An electropneumatic cutoff valve connects the control valve to the brake pipe. A control... | 10/15/1996 |
| 5553928 | Simplified full-function valve for heavy duty brake systems A simplified integrated full-function valve for heavy duty brake systems comprising a valve body having individual ports for fluid communication with spring brake chambers, service brake chambers, pressurized-air reservoir and exhaust and for receiving pr... | 09/10/1996 |
| 5544948 | Service and emergency brake system having a master cylinder with a travel simulator gas-filled spring A travel simulator having a progressive pedal characteristic to be in operation in a power-actuated service brake. The hydraulic brake system has a valve assembly for the switching of the brake system into operation as either a service brake or as an emer... | 08/13/1996 |
| 5496098 | Braking in electronic braking systems An electronic braking system for a vehicle having foundation brakes (137, 138) and a vehicle retarder (129), wherein an electrical braking demand signal (D) is generated from a single brake pedal and wherein the retarder (129) is operated variably or in s... | 03/05/1996 |
| 5458403 | Full-function valve with quick drive away for heavy duty semi-trailer brake systems A full function valve incorporating a proportioning valve module that initially directs supply air pressure during initial system charging to the spring brake chambers to prepare the spring brakes for prompt release when there is sufficient system supply ... | 10/17/1995 |