Patent ID: 8943822
Filing Date: 2015-02-03
Classification: F01L,F01N,F02B,F02D,Y02T

Abstract:
1. An engine system, comprising: an intake manifold configured to direct air to mix with fuel in combustion chambers of an engine; an exhaust treatment device; a turbocharger including a compressor and a turbine; an exhaust manifold configured to direct exhaust from the combustion chambers of the engine through the turbine to the exhaust treatment device; a conduit associated with fewer than all of the combustion chambers of the engine, the conduit being configured to direct exhaust from the fewer than all of the combustion chambers to the exhaust treatment device; an auxiliary valve associated with the conduit and selectively movable to a flow-passing position during a portion of a compression stroke to direct air or an air/fuel mixture through the conduit and support combustion at the exhaust treatment device.