#F01N3/22

SYSTEMS AND METHODS FOR HOT AIR INJECTION INTO EXHAUST PORTS

Methods and systems are provided for reducing emissions during an engine cold start. In one example, a method may include, during emission control device heating, injecting heated air into an exhaust …

DRIVE·May 12·1 min read

F01N3/22 Ford Global Technologies, LLC

Method for controlling fresh air supply to the exhaust system of an internal combustion engine

The method involves injecting fresh air into an exhaust during cold start phase of an internal combustion engine and expansion phase. An exhaust valve (34) is opened when pressure in a combustion cham…

DRIVE·Nov 16·1 min read

F01N3/22 IFP ENERGIES NOUVELLES [FR]

Internal combustion engine comprising an exhaust gas turbocharger and a secondary air injection, as well as diagnosis and control of the secondary air injection

I.C. engine (1) comprises an exhaust gas turbocharger (7) arranged in the flow path of an exhaust gas arrangement and a compressor (8) arranged in the flow path of an exhaust gas tract. Secondary air …

DRIVE·Apr 20·2 min read

F01N3/22 DAIMLER CHRYSLER AG [DE]

Valve device

Valve device, especially for a secondary air system of an internal combustion engine, which produces a fluid connection between an inlet channel and an outlet channel on lifting a valve-closing body f…

DRIVE·Dec 10·1 min read

F01N3/22 PIERBURG GMBH [DE]

Intake system for an internal combustion engine

The induction system has a secondary air system (8), and an air feed (5) that contains a choke element. The secondary air system contains a turbine (10) and a compressor (11). The turbine is subjected…

DRIVE·Aug 20·1 min read

F01N3/22 MANN & HUMMEL FILTER [DE]

Internal combustion engine with catalytic converter

The present invention relates to an internal combustion engine having a catalytic converter to reduce exhaust gas emissions. The engine (2) comprises one or more internal combustion chambers (4), an a…

DRIVE·Apr 9·2 min read

F01N3/22 VISTEON GLOBAL TECH INC [US]