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Patent Searching and Data


Matches 151 - 200 out of 12,332

Document Document Title
WO/2014/084024A1
Provided is a natural gas engine that is equipped with an exhaust gas introduction mechanism that introduces exhaust gas (G) into a cylinder during an intake stroke, and in which the amount of diesel fuel (f) injected into a cylinder is ...  
WO/2014/080877A1
Provided is an exhaust gas purification system (1) in which a diesel particulate filter (DPF) (19b) is arranged in the exhaust flow path (13) of an internal combustion engine (10) and wherein directly after forced regeneration treatment ...  
WO/2014/080523A1
The object of the present invention is to increase the precision in controlling the EGR rate or EGR amount by manipulating an EGR valve in an internal combustion engine in which an exhaust passage and an intake passage are connected via ...  
WO/2014/080455A1
Provided is a control device for a diesel engine equipped with an EGR device, with which a deterioration in the combustion status can be prevented in a wide range of temperature environment conditions. This control device, which is for a...  
WO/2014/074430A1
A thermal system layout circuit adapted for use in a vehicle engine cold start situation. A valve is positioned to prevent flow from the cooling pump to the engine or radiator. An exhaust heat exchanger and/or an EGR heat exchanger is us...  
WO/2014/068657A1
In order to improve the precision with which the excess air ratio in a fuel spray is estimated and to quickly bring the excess air ratio to a target value when the engine load factor has risen, a control device (30) for an internal combu...  
WO/2014/064791A1
Provided is a diesel engine control device configured so as to evaluate, with high precision, the active state of an SCR catalyst using a method other than one based on catalyst temperature, and to control engine control parameters in or...  
WO/2014/049405A1
When an engine is to be started, operation of the engine is started with injection of fuel from a port fuel injection valve, without injecting fuel from an in-cylinder fuel injection valve (S1OO). If a gear rattling noise is produced (S1...  
WO/2014/050269A1
In this fuel gas supply and purge system (1) for a diesel engine, when operation of the diesel engine on a fuel gas ends and the fuel gas remaining in a fuel gas supply system (2) is purged by an inert gas, the fuel gas remaining in an a...  
WO/2014/049690A1
In an internal combustion engine, an exhaust purification catalyst (13), a particulate filter (14), and a hydrocarbon supply valve (15) are positioned in an engine exhaust passage, and the engine is equipped with a low-pressure exhaust g...  
WO/2014/041734A1
Provided is an exhaust gas purification device capable of reducing costs by way of reducing the amount of material (volume and weight) of the exhaust gas purification device overall. An exhaust gas purification device (13), for reducing ...  
WO/2014/040606A1
An arrangement in a vehicle engine comprising an intake air manifold, an exhaust gas manifold and a plurality of cylinders, and being adapted for being operated by means of a dual fuel comprising diesel and gas fuel, said arrangement fur...  
WO/2014/038108A1
A controller that switches between: a compression-ignition mode in which compression-ignition combustion occurs and an engine main body is operated; and a spark-ignition mode in which mixed air inside a cylinder is ignited by driving a s...  
WO/2014/034087A1
When the operating state of an engine body is at least in a high-load first specified region in a low load region and when this in a high-load second specified region in a high load region, for each, a control device injects fuel at a hi...  
WO/2014/027997A1
A venturi flow meter for an EGR apparatus includes an inner wall defining an interior space including a converging inlet section, a throat section, and a diverging outlet section and an outer wall surrounding the inner wall and attached ...  
WO/2014/026778A1
The invention relates to a force-heat coupling system having an internal combustion engine (1) whose power output can be regulated by means of variation of the rotational speed and which has a throttling element (35) in its intake sectio...  
WO/2014/024928A1
A control device for a diesel engine equipped with a variable-capacity supercharger having a supercharging pressure variation mechanism and with an EGR valve that adjusts the amount of EGR gas, wherein, when it is determined that the eng...  
WO/2014/020982A1
In a non-EGR region, which is a low-load operating region, an EGR control valve (21) is opened with a specific, extremely small degree of opening M, which corresponds to an extremely small EGR rate that does not affect the ignition timin...  
WO/2014/022028A1
Various systems and method for controlling exhaust gas recirculation (EGR) in an internal combustion engine are provided. In one embodiment, a method includes during a first operating condition, directing exhaust gas from a first cylinde...  
WO/2014/017189A1
According to the present invention, when the operating state in a non-supercharged area switches from a high load to a low load and an external EGR is stopped, the valve overlap of an exhaust valve with an intake valve is controlled so a...  
WO/2014/018388A1
A four stroke internal combustion engine (100) includes least one cylinder (106) having a reciprocable piston (110), a first fuel injector (144) disposed to inject a first fuel (136) into said cylinder (106), and a second fuel injector (...  
WO/2014/018351A1
An internal combustion engine (102) is configured to utilize a reactivity controlled compression ignition process and an exhaust gas recirculation ("EGR") system. The EGR system directs a portion of the exhaust gasses from the exhaust sy...  
WO/2014/013814A1
When EGR begins in a supercharging region, the degree of opening of the wastegate valve (17) changes at a time T1 wherein the EGR rate changes at a first prescribed position due to the opening of the EGR control valve (21), and when EGR ...  
WO/2014/013552A1
The objective of the present invention is to provide an exhaust purification system that is capable of purifying exhaust gas during both lean and stoichiometric driving, by precisely controlling the equivalence ratio of the air-fuel mixt...  
WO/2014/013803A1
On the basis of an intake air amount detected by an air flow meter (6), the upper limit-side threshold value and lower limit-side threshold value of the front-rear differential pressure of an EGR control valve (21) are calculated, and th...  
WO/2014/009770A1
The invention concerns a method for controlling an intake-exhaust gases arrangement for an automotive vehicle comprising an internal combustion engine (2) having an intake line (7) and an exhaust line (8) • the method comprising the fo...  
WO/2014/002793A1
The present invention is equipped with a supercharger (15) and a turbocharger (14), and a load sensor (S1) that detects the towing load W1 of a trailer (3) towed by a semi-trailer (1) is arranged in a coupler (5a). When the towing load W...  
WO/2013/190198A1
The invention concerns an engine unit (1) comprising a combustion engine (2) which opens into an exhaust line (11) which is supplied by a set of high-pressure exhaust valves during a high-pressure exhaust phase, and a recirculation line ...  
WO/2013/187141A1
With the present invention, when an EGR control valve is opened and a throttle valve is closed, the reverse flow of intake air containing EGR gas is detected from a change in the mass flow volume of the intake air passing through a compr...  
WO/2013/183127A1
This invention pertains to a working gas circulation type engine and the purpose thereof is to provide a working gas circulation type engine capable of increasing the amount of condensate water generated by a condenser. In a stratificati...  
WO/2013/175779A1
With the confirmation of the normal detection of the intake air temperature at the inlet of an intercooler (6), the outside air temperature, the EGR gas temperature at the inlet of an EGR cooler (14), and the temperature of cooling water...  
WO/2013/175091A1
The invention concerns an internal combustion engine (1) comprising an air intake manifold (8), an exhaust manifold (17), a plurality of cylinders (2.1-2.4) each having a combustion chamber (5.1-5.4), and a recirculation conduit (22) cap...  
WO/2013/164548A2
The invention relates to a method for treating exhaust gases of a supercharged internal combustion engine (1) of a motor vehicle, said gases being partially recirculated at high pressure and low pressure to the intake, said method includ...  
WO/2013/164548A3
The invention relates to a method for treating exhaust gases of a supercharged internal combustion engine (1) of a motor vehicle, said gases being partially recirculated at high pressure and low pressure to the intake, said method includ...  
WO/2013/159899A1
The invention relates to a method for operating an internal combustion engine, in particular a diesel internal combustion engine, having supercharging (300) with exhaust-gas recirculation, an engine with a number of cylinders, and superc...  
WO/2013/159899A8
The invention relates to a method for operating an internal combustion engine, in particular a diesel internal combustion engine, having supercharging (300) with exhaust-gas recirculation, an engine with a number of cylinders, and superc...  
WO/2013/161132A1
A combustion control device (28) equipped with: injectors (5) that inject fuel into the combustion chamber of an engine; an electronic control unit (24) configured so as to operate the injectors (5) such that fuel is injected at least tw...  
WO/2013/153654A1
This device for controlling the flow rate in an internal combustion engine is provided with a flow rate alteration unit that, as a flow rate alteration unit that can alter at least one of either the flow rate of exhaust gas recycled to a...  
WO/2013/151356A1
The present invention relates to a system for recirculating engine exhaust gas. The system for recirculating engine exhaust gas according to the present invention comprises: first and second cylinder groups (12a, 12b) consisting of cylin...  
WO/2013/145994A1
The purpose of the present invention is to provide an exhaust treatment device for a diesel engine that makes it possible to lower NOx levels in emitted gas. To achieve the foregoing, provided is an exhaust treatment device for a diesel ...  
WO/2013/135250A1
The invention concerns a method for enriching the exhaust gases of a combustion engine (10) with unburnt hydrocarbon. The method comprises the steps of monitoring engine operating conditions and performing in-cylinder post injection of u...  
WO/2013/133112A1
An internal combustion engine (1) is provided with a supercharger (12) and provided with a cylinder direct injection type fuel injection valve (10). If a shift to a low-speed supercharging area is performed when the wall temperature of a...  
WO/2013/120286A1
A supercharged engine comprises an air intake device, an exhaust device, an oil injection device, a supercharging device, and a control device for controlling on/off of the supercharging device and adjusting the air-jet amount. The contr...  
WO/2013/111273A1
The purpose of the invention is to provide, for an internal combustion engine which performs homogeneous combustion, an exhaust circulation apparatus which expands the operation region in which homogeneous lean combustion is possible and...  
WO/2013/111385A1
The present invention relates to a control apparatus for an internal combustion engine which implements coordinated control of the quantity of EGR gas supplied by an exhaust gas recirculation (EGR) apparatus and the quantity of superchar...  
WO/2013/101545A1
A method of operating an engine (10) is disclosed. The method may include discharging exhaust gas from at least one combustion chamber (11) of the engine. The method may also include recirculating at least a portion of the exhaust gas to...  
WO/2013/093598A1
In a control system that includes a pressure accumulating portion that supplies CNG to a fuel injection valve and a regulator that adjusts a pressure in the pressure accumulating portion to a set pressure and of which a valve element ope...  
WO/2013/088887A1
 A diesel engine exhaust gas purification method which purifies exhaust gas while minimizing deteriorations in drivability and fuel consumption, wherein when an exhaust gas (G) has attained a rich reduction state, if the temperature of...  
WO/2013/084890A1
An engine (1) is provided with a first abnormality alarm command unit (161) for causing an alarm device (15) to produce an abnormality occurrence alarm for informing the driver of an abnormality occurrence during filter (19) regeneration...  
WO/2013/080454A1
This engine body has a cylinder wherein the geometric compression ratio has been set to at least 15, and is supplied with a fuel containing at least gasoline. When the operating state of the engine body is in a high load region, in a low...  

Matches 151 - 200 out of 12,332