Fluid-pressure and analogous brake systems – Miscellaneous
Patent
1998-04-21
2000-09-19
Schwartz, Chris
Fluid-pressure and analogous brake systems
Miscellaneous
303 85, 96114, B60T 1700, B01D 5326
Patent
active
061201073
ABSTRACT:
An air supply system for a vehicle includes an internal combustion engine that powers the vehicle and a compressor that receives air from the intake manifold of the engine or from an air filter. The compressor operates in either a loading or unloading mode and supplies air to the vehicle braking system. During the loading mode, air flows from the compressor through a dryer and is stored in a reservoir that supplies air to the brakes when the brakes are actuated. The dryer removes moisture and contaminants from the compressed air before the air is stored in the reservoir. A valve independently controls the compressor and dryer. A first sensor produces a fueling status signal in response to monitoring the fueling status of the engine and a second sensor produces a reservoir pressure signal in response to measuring the air pressure in the reservoir. An electronic control unit receives the reservoir and fueling status signals and produces a pressure comparison signal in response to comparing the reservoir pressure signal to a predetermined pressure signal. The electronic control unit controls the compressor based on the compressor and fueling status signals and controls the dryer based on the reservoir pressure signal.
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Meritor Heavy Vehicle Systems LLC
Schwartz Chris
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