Patent ID: 8403427
Filing Date: 2013-03-26
Classification: B01D,B60T

Abstract:
1. A vehicle air supply system having a compressor, an air dryer, a reservoir adapted to receive air from the compressor via the air dryer, and control means operable to cause a standard regeneration of the air dryer when a predetermined system condition is met, the control means also being operable to cause an intermediate regeneration of the air dryer in advance of said predetermined system condition being met if said system condition is not met within a predetermined time period, the control means further being operable to prevent the intermediate regeneration, wherein the control means includes a governor adapted to cause the standard regeneration and a governor bypass adapted to cause the intermediate regeneration, the control means being adapted so as to disable the governor bypass to prevent the intermediate regeneration, wherein the control means includes a timer, wherein the control means is operable to selectively cause and prevent the intermediate regeneration depending upon air supply requirements.