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Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-10-20

A control device for controlling a brake system of a vehicle comprises a first output for controlling a first solenoid valve; a second output for controlling a valve device; an input for receiving a requested brake pressure; and a port for receiving messages on a databus. The control device is capable of receiving an automatic brake request on the databus; determining a desired brake pressure in response to the automatic brake request; receiving a requested brake pressure in response to a driver actuating a service brake valve; comparing the desired brake pressure to the requested brake pressure; transmitting a control signal to close the first solenoid valve and transmitting a control signal to change the valve device to a first operating position in response to the requested brake pressure being less than the desired brake pressure in order to provide pressure to at least one brake actuator.


An apparatus is provided for applying adhesive to a compressor liner having a longitudinal central axis. A first roller has a longitudinal central axis and has an outer circumferential surface which is immersed in adhesive in an adhesive sink. A second roller has a longitudinal central axis and is radially spaced apart from the first roller. The second roller has same outer diameter as the first roller and has an outer circumferential surface which is not immersed in adhesive in the adhesive sink. The first and second rollers cooperate to support the compressor liner for rotation about its longitudinal central axis. A drive mechanism includes a constant speed drive for rotating the first and second rollers about their longitudinal central axes at a constant rotational speed to allow a consistent weight and uniform layer of adhesive to be transferred from the first roller to the compressor liner.


Patent
Bendix Commercial Vehicle Systems Llc | Date: 2015-10-30

An imaging system, method, and computer readable medium filling in blind spot regions in images of peripheral areas of a vehicle. Intrinsic or extrinsic blind spot data is used together with vehicle movement data including vehicle speed and steering angle information to determine one or more portions of a series of images of the peripheral areas that include or will include one or more blind spot obstructions in the images. Portions of the images predicted to be obstructed at a future time, portions of overlapping images obtained concurrently from plural sources, or both, are obtained and used as an image patch. A blind spot region restoration unit operates to stitch together a restored image without the blind spot obstruction by merging one or more image patches into portions of the images that include the one or more blind spot obstructions.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2015-11-18

A controller for a parking brake system for a commercial vehicle is disclosed. The controller receives a signal indicative of a request to park a tractor, a signal indicative of a request to supply air to a trailer and a signal indicative of a vehicle operating condition. The controller transmits a control signal to a tractor parking brake device and a trailer air supply device in order to park the tractor and maintain the air supply to the trailer to suspend the parking of the trailer in response to the signals.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2015-11-18

Various embodiments of a tractor controller for monitoring trailer brake applications is disclosed. The control logic of the tractor control is capable of receiving a signal indicative of a trailer brake application; receiving a signal indicative of a foot brake application; totaling a number of signals indicative of a trailer brake application for a predetermined time period; and totaling a number of signals indicative of a foot brake application for the predetermined time period. The control logic then compares the total number of signals indicative of a trailer brake application with the total number of signals indicative of a foot brake application. The control logic records a flag in response to the total number of signals indicative of a trailer brake application being greater than the total number of signals indicative of a foot brake application.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2015-11-24

A method for controlling a cruise control system on a vehicle includes identifying a vehicle location and identifying a number of respective cruise control overrides by a driver at the vehicle location. If the number of cruise control overrides by the driver is at least a threshold number of overrides, identifying respective actions by the driver after the cruise control overrides, and creating a profile of the driver behavior associated with the vehicle location based on the respective actions by the driver within a range around the vehicle location after the driver overrode the cruise control.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-08-29

Various embodiments of a heat-exchange dryer apparatus are disclosed. In one embodiment, a heat-exchange dryer apparatus includes a desiccant cartridge comprising desiccant material, a purge-air reservoir secured to the desiccant cartridge, and a compressed-air conduit disposed inside the purge-air reservoir. In another embodiment, a vehicle air-brake system includes an air compressor, a desiccant cartridge comprising desiccant material, and a heat exchange dryer apparatus disposed between the compressor and the desiccant. The temperature of the compressed air is decreased while the temperature of the purge air is increased and the desiccant adsorbs a greater amount of contaminants form the compressed air for improved drying.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-08-10

Various embodiments of an apparatus and method for monitoring a brake operation are disclosed. In accordance with one aspect, the brake operation monitoring system comprises a plurality of wheel speed sensors, a brake demand sensor; a plurality of stability sensors and a controller. The controller comprises wheel speed ports; a brake demand port; stability sensor ports; a communication port for receiving a plurality of messages; and a processing unit comprising control logic. The control logic receives a brake demand signal, at least one stability signal indicative of the cornering of the vehicle, and individual wheel speeds. The control logic calculates a master value to compare to individual wheel speed signals if the brake demand signal indicates no braking.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-04-11

Systems and methods that facilitate protecting vehicle impact event data from overwrite include an electronic control unit (ECU) having a processor that records event data related to vehicle operation, a memory that stores the event data, and an electronic tool that communicates with the ECU and comprises a data locking module that sends a data lock signal to the ECU to lock the stored event data as locked data such that the stored event data cannot be overwritten. The ECU, in response to the data lock signal, stores the event data as locked data in a dedicated portion of the memory to preserve the event data for subsequent review.


An apparatus and method for protecting an intact portion of a service brake system from a failed wheel end of a vehicle is provided. A failure in a wheel end is detected by determining an operation state of each of the wheel ends by monitoring parameters including the pressure in a parking brake air supply line. When it is determined that a failed wheel end is present in the service brake system, a service brake isolation valve is switched to a state in which the failed wheel end is isolated from the rest of the brake system. The service brake of the failed wheel end is disabled, while the service brakes of the other wheel ends are enabled for normal operation. The parking brake of the failed wheel end is enabled, while the parking brakes of the other wheel ends are disabled to prevent immobilization of the vehicle.

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