METHODS AND SYSTEMS FOR REDUCING ENGINE EXHAUST EMISSIONSMethods and systems are provided for routing secondary air to engine an exhaust system during a cold-start condition to reduce tail pipe emissions. In one example, a method may include operating a pum…DRIVE·Sep 22·1 min readFollowF01N3/2033Ford Global Technologies, LLC
SEPARATELY DETERMINING FIRING DENSITY AND PUMPING DENSITY DURING FIRING DENSITY TRANSITIONS FOR A LEAN-BURN INTERNAL COMBUSTION ENGINEA skip fire engine controller and method of control is described wherein during transitions from a first firing density to a second firing density, a firing density and a pumping density are separatel…DRIVE·Aug 11·1 min readFollowF01N3/2033Tula Technology, Inc.
ENGINE FUEL REFORMING SYSTEMA fuel reforming system includes a fuel injection device capable of injecting fuel into an EGR passage, a reforming catalyst provided in the EGR passage, an oxidation catalyst provided in the vicinity…DRIVE·Mar 10·1 min readFollowF01N3/2033Mazda Motor Corporation
LEAN BURN INTERNAL COMBUSTION ENGINE EXHAUST GAS TEMPERATURE CONTROLA variety of methods and arrangements for controlling the exhaust gas temperature of a lean burn, skip fire controlled internal combustion engine are described. In one aspect, an engine controller inc…DRIVE·Sep 30·1 min readFollowF01N3/2033Tula Technology, Inc.
SEPARATELY DETERMINING FIRING DENSITY AND PUMPING DENSITY DURING FIRING DENSITY TRANSITIONS FOR A LEAN-BURN INTERNAL COMBUSTION ENGINEA skip fire engine controller and method of control is described wherein during transitions from a first firing density to a second firing density, a firing density and a pumping density are separatel…DRIVE·Jan 23·1 min readFollowF01N3/2033Tula Technology, Inc.
INTERNAL COMBUSTION ENGINEIn the present invention, an internal combustion engine is provided with an in-cylinder fuel injection valve and a secondary air supply device and is formed so as to make possible first catalyst warmi…DRIVE·Apr 13·1 min readFollowF01N3/2033TOYOTA MOTOR CO LTD [JP]
DEVICE AND METHOD FOR CONTROLLING OPERATION OF INTERNAL COMBUSTION ENGINEThere is provided an operation control method for an internal combustion engine according to the present invention, in which if an exhaust gas purifier (17) needs to be warmed, a second glow plug (26b…DRIVE·Oct 7·2 min readFollowF01N3/2033TOYOTA MOTOR CO LTD [JP]
TEMPERATURE RAISING SYSTEM FOR AN EXHAUST GAS PURIFICATION CATALYSTA technique is provided which is capable of reducing an amount of smoke generated in a temperature raising system in which fuel added to an exhaust gas flowing through an exhaust passage is caused to …DRIVE·Feb 8·1 min readFollowF01N3/2033TOYOTA MOTOR CO LTD [JP]
Method and apparatus for rapid exhaust catalyst light offAn internal combustion engine is supplied with reformate from a hydrocarbon reformer at engine start-up and during engine warm-up. The reformate fuel mixture is fuel-lean at start-up to ensure that al…DRIVE·Apr 13·1 min readFollowF01N3/2033DELPHI TECH INC [US]
INTERNAL COMBUSTION ENGINE WITH COMBUSTION HEATERAn internal combustion engine with combustion heater capable of increasing the heat quantity of the combustion gas exhausted from a combustion heater, comprising a combustion chamber (17d) for burning…DRIVE·Apr 16·1 min readFollowF01N3/2033TOYOTA MOTOR CO LTD [JP]
Gas heat pump type air conditioning device, and combustion device for heating exhaust gasIn order to obtain more enhanced air heating capacity during low outdoor air temperature, a gas heat pump type air conditioning device which circulates refrigerant by a compressing device (11) of whic…DRIVE·Mar 5·1 min readFollowF01N3/2033MITSUBISHI HEAVY IND LTD [JP]
