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8061489 |
Apparatus for controlling movement of four-wheel trailer
An apparatus for controlling movement of a trailer to permit pulling it behind a tow vehicle is disclosed. Mechanical subassemblies can be combined to provide a trailer that can be either guided to...
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7997665 |
Brake control apparatus
A brake control apparatus includes a brake unit. The brake unit includes: a first port set hydraulically connected to a master cylinder via a first fluid line set; a second port set hydraulically...
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7950751 |
Method and apparatus for maintaining a trailer in a straight position relative to the vehicle
A system and method of controlling a vehicle with a trailer comprises determining the presence of a trailer, determining a vehicle velocity, determining a steering wheel angle, and determining a...
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7905555 |
Yaw control system for a vehicle-trailer combination
A yaw control system capable of detecting a predetermined yaw angle of a towed vehicle and then automatically communicating with a braking system of the towed vehicle includes an actuator and a...
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7806240 |
Surge brake actuator
A surge brake actuator having a coupler housing telescopically engagable with an actuator housing is provided. The surge brake actuator incorporates an improved reverse lockout assembly that...
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7699406 |
Towed vehicle brake actuator assembly
A system for actuating brakes in a towed vehicle in response to actuation of brakes in a towing vehicle comprising a cylinder including an inner cylindrical wall attached to a brake pedal in the...
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7168531 |
Self-contained brake and remote control system for a trailer
A self-contained trailer braking system comprises a fifth wheel hitch attached to a trailer frame, where the trailer hitch further comprises a kingpin to engage a fifth wheel of a towing vehicle. A...
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7143874 |
Surge brake actuator
A surge brake actuator is disclosed. The actuator includes an actuator housing and a coupler housing movably engaged within the actuator housing. Upper and lower coupler slide channels formed from...
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7114786 |
Trailer brake system and method
An electric-over-hydraulic braking system for trailers and towed vehicles is disclosed. The system comprises off-the-shelf components, such as a standard linear actuator and master cylinder, for...
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7059455 |
Brake actuator for a towed vehicle
A brake actuator is mounted on a towed vehicle. The towed vehicle's own brake pedal actuates the brakes of the towed vehicle and the brake pedal is actuated by a cable mechanically and releasably...
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6959970 |
Method and apparatus for controlling a trailer and an automotive vehicle with a yaw stability control system
A system and method of controlling an automotive vehicle with a yaw stability control system and a trailer comprises determining a presence of a trailer, changing a side slip angle parameter...
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6959793 |
Inertial brake actuator for towed vehicle
Disclosed herein is a brake actuator for a towed vehicle having a brake actuated by a pedal. The actuator comprises a weight, slidably mounted to a base, a base and a slidable mount. Alternatively,...
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6955406 |
Altitude compensating trailer brake system
The invented apparatus is designed for use with a tow vehicle and trailer combination. The apparatus comprises a controller, a vacuum supply sensor, and a sensor unit used to measure the barometric...
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6926125 |
Premature activation stop for towed vehicle cable braking systems
A safety stop for preventing activation of brakes of a towed vehicle by a cable braking system connected between a towing vehicle and the towed vehicle until a predetermined load is placed on the...
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6921139 |
Method of controlling the braking device of a trailer and braking device operating according to this method
A method for controlling a braking device equipping a trailer includes braking the towing vehicle. The force induced in a coupling device is measured, at least at a given moment, and compared with...
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6913328 |
System and method for controlling brake actuation energy in electronically-controlled brake systems of tractor and trailer vehicle combinations
A system and method for controlling brake actuation energy in electronically controlled brake systems of tractor and trailer vehicle combinations. The temperatures of the brakes of the tractor and...
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6874602 |
Braking apparatus for a vehicle
A braking apparatus used to brake a vehicle having brakes actuated by a power boost in response to the movement of a brake pedal has a vacuum source adapted to be operably connectable to a vacuum...
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6872165 |
Parking brake system for a gearbox of a motor vehicle
The invention relates to a parking brake system for transmissions of motor vehicle, especially for an automatic transmission and an automated selector transmission, having one parking brake for...
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6866350 |
Regenerative braking on an electrical vehicle when towed
Regenerative braking is actuated in an electrical vehicle during towing of the vehicle to recharge the battery and brake the vehicle. When a driver of a towing vehicle depresses the brakes of the...
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6837551 |
Towed vehicle brake controller
A brake controller, for controlling the brakes of a towed vehicle, having a control module and a power module is provided. The control module is mounted in the cab of a vehicle used for towing, in...
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6802572 |
Brake control system
A brake control system for towed vehicles is disclosed which provides for controlled application of hydraulic brakes in a towed vehicle in response to the application of the brakes of the towing...
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6752474 |
System and method for managing electric brakes
A system (10) and method for managing an electric brake (12) in a towed vehicle (14) during a breakaway event by managing current delivery to the electric brake (12) so as to maximize both...
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6666527 |
Electro-hydraulic brake actuating device for a trailer
A trailer brake system includes a control sensor adapted to provide a signal when the braking system of the tow vehicle is actuated, at least one trailer brake actuated by pressurized brake fluid,...
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6652042 |
Locking system for air brakes of parked trailer
A locking system for trailer air brakes of the type having a supply air line with a gladhand. The locking system comprises a valve connected to the supply air line. The valve is actuatable between...
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6609766 |
Unified brake system for towed and towing vehicles
The present invention provides a new braking system for a first vehicle towing a second vehicle on its own four wheels. The system exhibits a process by which the towing vehicle's brake system send...
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6578679 |
Brake system and method
The invention relates to a brake system for railway equipment. More particularly, the invention relates to brake devices and systems for pneumatically and manually actuating such devices on...
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6557948 |
Braking apparatus for a vehicle
A braking apparatus used to brake a vehicle has a brake actuator that actuates at least one brake of the vehicle through a cable that mechanically interconnects the brake actuator to the brake...
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6512452 |
Redundant electric trailer brake circuit
A brake circuit that includes parallel electrical paths extending from the brake controller, through connectors, to the trailer brakes. The circuit having a primary circuit path extending from the...
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6422658 |
Brake pedal sensor and electronic switch
A brake pedal position circuit includes a brake pedal mechanism having a ferromagnetic portion, which is movably mounted in a motor vehicle. At least one permanent magnet for generating a magnetic...
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6386337 |
Heavy duty brake actuator
An improved trailer coupling with integral brake actuator that employs sturdier telescoping inner and outer casings and adjustable rollers there between to compensate for wear and tear tolerances...
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6375211 |
Trailer hitch with surge braking/dampening apparatus
A trailer is equipped with a surge braking system having a braking/dampening unit 70 that is integrated with a common reservoir 71 that supplies brake fluid to both the master brake cylinder 72 and...
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6273522 |
Trailer brake control
An electronic braking system (WBS) suitable for commercial vehicles which tow trailers, which has on the towing vehicle, braking control of all the axles and a device for setting the braking demand...
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6264228 |
Hitch assembly for activating a towed vehicle's brakes
A hitch ball assembly which includes a housing adapted to be movably mounted within a conventional hitch receiver associated with a towing vehicle wherein a shock absorber is mounted within the...
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6152544 |
Remote braking apparatus and method
A remote braking apparatus has a vacuum conduit network that operably connects a vacuum source to both the power boost of the towed-vehicle and a pair of solenoid valves. A vacuum cylinder receives...
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6139118 |
Electronic braking system for road vehicles operating with a trailer
An electronic braking system for trailers. A control system is incorporated into the braking equipment of a towing vehicle to provide a trailer braking command signal. This signal is regulated so...
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6126246 |
Towed vehicle braking system
Towed vehicle braking systems which are flexible enough for use by rental agencies and provide good safety features use a compressor (15) to drive a fluid actuator (12) with a piston (11). The...
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6095619 |
Braking system for a towed vehicle
In the tandem operation of two vehicles, one towing and the other being towed, an accommodation is readily made for a wide range of different models of the towed vehicle using, in spanning relation...
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6059075 |
Railroad freight car including pneumatic brake system module
A fully protective multi-unit railroad freight car for carrying motor vehicles on two or three levels with the lowest level being in a cargo well between a pair of deep side sills. A pair of...
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6042196 |
Trailer brake control device of tractor-trailer combination vehicle for suppression of side sway of trailer
In a tractor-trailer combination vehicle, a trailer brake control device has a detector of hitch angle expanded by the longitudinal axis of the trailer relative to the longitudinal axis of the...
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6035977 |
Trailer break-away device
A trailer break away safety mechanism which brings a trailer to a controlled stop after disengagement with a pulling vehicle. The mechanism consists of a cable which remains attached to the trailer...
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6027134 |
Removable trailer tongue
A removable trailer tongue for use with a towing vehicle and a trailer frame equipped with hydraulic brakes. The trailer tongue (10) can be removed without disconnecting any of the components of...
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6012780 |
Brake controller for trailer brakes
A system and method are provided for controlling brakes on a trailer being towed by a towing vehicle. The system includes an accelerometer for sensing inclination and a rate of deceleration of the...
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5954164 |
Brake system for towed vehicles
The present invention relates to a braking system for a towed vehicle. The system comprises a weighted pendulum pivotally attached to the towed vehicle and having a swing path in the direction of...
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5915797 |
Braking apparatus for towed vehicles
A braking apparatus engages the brakes of a towed vehicle and is actuated by the engaging the brake of the towing vehicle. A pivotally mounted foot pedal engaging member attaches to the floor of...
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5771996 |
Lockout device for trailer brake actuator
A lockout device for selectively locking out the trailer brake actuator on a hitching device to allow for backing. The lockout device works on a hitching device having an inner housing connected to...
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5762167 |
Towed-vehicle braking-systems
Disclosed is an improved connection between the forwardly-positioned towing-vehicle and the tow-bar (for a towed-vehicle behind a rearward-mount of the towing-vehicle) such connection can for...
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5622241 |
Trailer brake system with multiple point caliper unit mounting
A trailer brake system provides an improved disc brake assembly with a caliper unit that includes a housing for mounting the pads for relative movement toward and away from the rotor and a cradle...
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5551539 |
Trailer surge brake actuator
A trailer surge brake actuator comprises a plurality of stacked slider asblies. At least one rigid first tubular body is affixed by suitable means to the front end of a trailer. A first rigid...
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5551538 |
Trailer brake system with release apparatus
A trailer brake system includes a disc brake assembly for each wheel including apparatus to provide release of the brake pads from engagement with the rotor upon backing. In the preferred braking...
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5522649 |
Process and apparatus for monitoring a trialer brake for overload
In a vehicle train comprising a motor vehicle and a trailer, a process for monitoring a trailer brake for overload comprises producing an energy call-up signal during a braking action, supplying...
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