Power cruise diverter valve

Abstract From the Canadian patent

Abstract of the Disclosure: An air control valve for use in the exhaust emission control system of an internal combustion engine as used for example, in a vehicle, the air control valve which is adapted, to perform three functions includes a divert timing switching, diaphragm assembly which provides the standard diverter valve function during engine warmup and also controls port air injection during all mid-power conditions a second diaphragm, valve assembly that is operative to provide for secondary air by-pass during high engine load or power operating conditions and, a third diaphragm valve assembly adapted to provide secondary air by-pass during low engine load or vehicle cruise …