Patent ID: 6622499
Filing Date: 2003-09-23
Classification: B60H,F02B,Y02T

Abstract:
An air cycle system for use in a vehicle having an internal combustion engine, said air cycle system comprising:a compressor having an outflow to an intercooler; said intercooler having an outflow to a first bypass valve; said first bypass valve having an open and a closed orientation, wherein in said open orientation, said first bypass valve directs air to said engine of said vehicle, and in said closed orientation, said first bypass valve directs air to an expander; said expander having an outflow to a second bypass valve; said second bypass valve being adjustable so as to direct a variable fraction of air to said engine of said vehicle and the remainder of said air to an air handling unit; said air handling unit having at least a fan, a scroll center, a first air flow path and a second air flow path, said first air flow path having an input at said scroll center from said second bypass valve and said second air flow path having an input at said fan from the interior of said vehicle; and wherein said air handling unit mixes air from said first and said second air flow paths and directs said mixed air to said interior of said vehicle.