Matches 1 - 50 out of 128 1 2 3 >


Match Document Document Title
8659413 Fluid level monitoring system and method  
A fluid level monitoring system may include a control panel having a plurality of input devices, each corresponding to a monitored fluid of a machine, and a plurality of indicators, each...
8536996 Vehicle information display and method  
An information display system for a vehicle includes an information display for displaying a plurality of selectable information display levels according to an information display hierarchy. Each...
8207841 Vehicle information display and method  
An information display system for a vehicle includes an information display for displaying a plurality of selectable information display levels according to an information display hierarchy. Each...
8098145 Trailer detection apparatus and method  
Apparatus and method for detecting the connection of a trailer to a vehicle. The apparatus is connected to a pneumatic pressure line of the trailer's service braking system, and measures the...
7391309 Braking monitoring system  
A monitoring system for driver's braking habits comprising a sensor connected to brakes of a vehicle provided to sense and evaluate the following levels of pressure being applied to the brakes by...
7102495 Method for preventing collisions involving motor vehicles  
A collision prevention method for motor vehicles is provided, in which method obstacles in front of the vehicle are detected by an on-board positioning system, a collision probability is...
7088227 Alarm for a hydraulic system, hydraulic system, method of giving an alarm and vehicle incorporating a hydraulic system  
An alarm for a hydraulic system, a hydraulic system incorporating an alarm, a vehicle having a hydraulic system which incorporates an alarm, and a method of giving an alarm in a hydraulic system,...
7034673 Method for monitoring an electrohydraulic vehicle braking system  
Method for monitoring an electrohydraulic braking system. The volume uptake is determined by the elasticity within the wheel brake that is subjected to certain fluctuations, on the one hand, and...
6927681 Mixed air amount alarm device  
A mixed air amount alarm device is provided which determines the amount of air present in a hydraulic circuit between a hydraulic pressure source and an instrument driven by hydraulic pressure,...
6753771 Vehicle monitoring system  
A vehicle monitoring system for monitoring a condition of relatively moving vehicle components, particularly including the pushrod of a brake actuator, including a magnet on one of the components,...
6650234 Vehicular anti-theft system with brake line valve  
A vehicular anti-theft system with brake line valve including a valve mechanism connected to the plurality of brake lines between a master cylinder and the associated brakes of a vehicle. The...
6549126 Dry interface corner actuator single sensor for lining wear and low reservoir detection  
The present invention provides a sensor system for detecting lining wear and fluid level in a dry interface corner actuator for a single wheel brake including a reservoir assembly. The reservoir...
6297733 Stable, reliable capacitive oil deterioration and level sensor  
A reliable capacitive oil deterioration and level sensor has a conductive housing member that includes a conductive shielding member defining a ground electrode, and a conductive inner member...
6198388 Voice warning system for automobiles  
A voice warning system for automobiles includes a microprocessor connected with the battery of an automobile, a plurality of sensors arranged on different parts of the engine and connected with...
6119059 Advanced warning device for monitoring the working conditions of hydraulic brakes system of motor vehicles  
An advance warning device for monitoring the working conditions of a hydraulic braking system of a motor vehicle is composed of a plurality of sensors and a controller in communication with the...
5767397 Method and apparatus for testing the brake system of a vehicle  
In at least one operating situation, especially while the vehicle is stopped, pressure is built up in a defined manner and then released for test purposes without waiting for a steady state value...
5742230 Apparatus for triggering a warning device  
An apparatus for triggering a warning device, in particular in a vehicle with an on-board controller to influence braking pressure and/or engine torque and/or steering as a function of the...
5677667 Data communications apparatus for tractor/trailer using pneumatic coupler  
In combination with a tractor and a trailer, an apparatus and method are provided for monitoring various operating conditions of at least the trailer by a driver positioned on the tractor. The...
5572187 Air brake monitoring and safety system  
A monitoring and safety system for air-operated parking brakes and foot brakes on a vehicle employs electric contacts to provide alarms when movement of the actuators occurs in a manner indicative...
5570078 Brake system for preventing unauthorized use of vehicle  
This invention relates to vehicle theft alarm and prevention devices, and in particular discloses a system that operates on the brakes of a vehicles to prevent the unauthorized use of a vehicle....
5413404 Method for detecting trouble in fluid pressure system and fluid pressure brake system for vehicle  
A method for detecting trouble in a fluid pressure system which has a fluid pressure source including a fluid pump, a pressure tank connected to the pump, a pressure detector for detecting fluid...
5132664 Overload warning system for a trailer brake arrangement  
An overload warning system for a trailer brake cylinder of a trailer brake system having a nominal deceleration rate. It has been found that previous temperature sensing overdue warning systems...
5083274 Railroad brake pressure recording  
A railroad brake pressure recorder for use with both analogue and digital break pressure manifolds monitors the signal on its analogue air brake pressure input connector. If the signal on this...
5046313 Master cylinder with fluid level and pressure failure detection  
A master cylinder (12) having a switch (70) which is activated by either a magnet (78) carried by a float (76) in a reservoir (40) or a pin (66) moved by a differential area piston (52). The...
5016442 Master cylinder with fluid level and pressure failure detector  
A master cylinder having a housing with a first bore therein for retaining a pair of pistons which move in response to an input force and develop fluid pressure to effect a brake application. A...
4937553 Electrohydraulic device for continuously monitoring the pressure in a hydraulic brake system for automotive vehicles  
An electrohydraulic device is suggested for continuously monitoring the pressure in a hydraulic brake system for automotive vehicles, in particular for outputting electric control signals in...
4848847 Pressure supply system especially for brake systems of motor vehicles  
A pressure supply system for the generation of the auxiliary pressure of a hydraulic brake system for motor vehicles comprises an accumulator, a hydraulic pump driven by electromotive force and a...
4841158 Safety relay circuit for switching on electric systems of automotive vehicles  
A safety relay circuit for operating electric systems of automotive vehicles is disclosed. The circuit includes two series-connected change-over relays connecting the vehicle's electrical system...
4824182 Anti-lock hydraulic brake system for automotive vehicles  
An anti-lock hydraulic brake system which includes a brake pressure generator composed of a master cylinder, a brake power booster inserted upstream thereof and a pressure modulator interposed...
4799048 Accumulator  
An accumulator has a piston axially slidably disposed in a cylinder mounted in a casing, the cylinder and the piston jointly defining a reservoir communicating with an inlet/outlet port in the...
4769554 Electrical switching mechanism for circuits in automotive vehicles  
The present invention is concerned with an electrical switching mechanism for circuits associated with hydraulic systems in automotive vehicles. The switching mechanism comprises at least one...
4755803 Air brake manifold all level reset  
An improved automatic train-line air brake pressure monitoring system includes circuits that emulate an automatic brake valve and cause an automatic brake manifold release whenever a four psi...
4708225 Overload protection and/or warning arrangement  
An overload protection and/or warning arragement for a vehicle brake which is activated by brake pressure so that overload protection and warning indication occurs essentially without any...
4318091 Self-resetting warning actuator for a dual circuit brake system  
A self-resetting warning actuator (42) for a vehicle brake system includes a housing (27) having a bore (44) which defines a recess (58). A pair of pressure responsive pistons (50, 54) are...
4290045 Brake system warning circuit  
A warning circuit which generates signals in response to selected conditions of a vehicle hydraulic brake system. The brake system includes an engine-driven main source of hydraulic pressure, a...
4272659 Hydraulic brake warning switch  
A differential pressure sensing switch for a motor vehicle has a piston axially slidable in a housing and exposed at each end to the pressure in separate brake circuits. At one end, the piston has...
4262278 Diagnostic brake system warning circuit  
A warning circuit generates warning signals in response to conditions of a vehicle brake system which includes main and back-up brake fluid pumps. The main pump is engine-driven and...
4207565 Piston overtravel indicator  
An overtravel indicator for a piston received in a cylinder having an end wall toward which the piston moves includes an elongated indicator rod slidably mounted through a dielectric bushing in...
4156864 Pressure switch checking device for locomotives  
A device which facilitates the testing of pressure switches included in the brake systems of locomotives. An air line is tapped into the pressure line of each switch and is provided with a quick...
4114145 Dual hydraulic braking system for vehicles  
In a pressure differential warning actuator for detecting when a differential between the pressure of separate brake circuits of an hydraulic braking system exceeds a predetermined value, at least...
4097841 Braking fluid pressure fault alarm device  
A fault alarm device for a vehicle dual brake system including front and rear master cylinders, front and rear wheel cylinders and a proportioning valve which functions to develop proportioned...
4084377 Brake system failure condition indicator  
A master cylinder having an indicator activated by either a low level fluid condition in a reservoir or any operational pressure imbalance between first and second fluid distribution systems of a...
4083032 Speed-deceleration warning system for motor vehicles  
A speed-deceleration warning system for motor vehicles comprising pressured-oil supply means connected to a master cylinder of a brake mechanism, a hydraulic switch including a first contact moved...
4077217 Two-circuit master cylinder unit for brakes  
A two-circuit master cylinder unit for brakes includes first and second cylinders and first and second pistons slidably received in the first and second cylinders, respectively. The first piston...
4074226 Brake malfunction warning and indicating system for automobiles  
A brake malfunction warning and indicating system for use with a brake system of an automotive vehicle, comprising a brake warning switch rendered conductive when a brake pedal is depressed with...
4070644 Failure warning switch actuator with automatic reset and proportioner override  
A dual circuit brake system has a failure warning section in which the pressures in each of the circuits are sensed by a pair of pistons having a switch actuating shuttle positioned between the...
4066150 Dual hydraulic braking systems for vehicles  
In a pressure differential warning actuator for detecting when a differential between the pressure of separate brake circuits of an hydraulic braking system exceeds a predetermined value, at least...
4045768 Low pressure selector  
A low pressure selector for communicating therethrough fluid from the lower pressure source of a pair of pressure sources includes a housing with input ports for connection to the pressure sources...
4025781 Brake pressure failure circuit for multi-line brake systems  
A brake pressure failure warning circuit for a multi-line brake system includes a plurality of pressure switches sensitive to the fluid pressure in the respective lines and each actuable when the...
4017124 Pressure failure warning device  
The invention relates to a failure detector for a dual hydraulic circuit such as a dual brake circuit in a motor vehicle. The detector comprises a movable piston assembly so as to define in a bore...

Matches 1 - 50 out of 128 1 2 3 >