F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/18
F01N 3/10 (2006.01) F01N 3/22 (2006.01)
Patent
CA 1108996
POWER CRUISE DIVERTER VALVE 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 in- jection 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 conditions.
316444
Hollis Thomas J.
Thornburgh William F.
General Motors Corporation
Gowling Lafleur Henderson Llp
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