Device, method and system for compressed air control and compressed air supply
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United States of America Patent
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May 24, 2016
Grant Date -
Mar 14, 2013
app pub date -
Mar 25, 2011
filing date -
Jun 21, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
For a vehicle, a compressed air control device controls operating states of a compressor and an air drying device, and includes a compressor control outlet pneumatically connectable to a control inlet of the compressor, a system pressure inlet pneumatically connectable to a system pressure line that conducts a system pressure produced by the compressor, a ventilation control outlet pneumatically connectable to a control inlet of the air drying device and configured to pneumatically switch an operating state of the air drying device, a pneumatically operable ventilation control valve controllable by the system pressure to pneumatically couple the system pressure inlet to the ventilation control outlet to switch the operating state of the air drying device, and an electrically operable supply control valve configured to pneumatically couple the system pressure inlet to the compressor control outlet independently of the system pressure to switch the operating state of the compressor.
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