A denitration device comprising a duct (22) that leads and distributes exhaust gas from a turbine (56) of a gas turbine (50) including a compressor (52) and the turbine (56), an ammonia injection grid (24) that sprays, into the duct (22), an mixed gas in which ammonia gas and dilution air are mixed with each other, and a denitration catalyst (26) that is installed on a downstream side of flow of the exhaust gas of the ammonia injection grid in the duct (22), and there is provided an air bleeding line (76) that is connected to a low compression portion of the compressor (52) of the gas turbine (50) and supplies air bled of the compressor (52) into the ammonia injection grid (24) as the dilution air.

Methods and systems are provided for a turbocharger. In one example, a method may include bypassing exhaust gases flowing to the turbocharger in response to a catalyst temperature being less than a threshold temperature. The bypassing includes opening a bypass valve and adjusting a position of one or more turbine nozzle vanes.

An intake system for use with an internal combustion engine having one or more cylinders. The intake system including a compressor assembly having an inlet and an outlet, and where the outlet is configured to be open to and in fluid communication with at least one of the one or more cylinders. The intake system also includes a passageway extending between and in fluid communication with the inlet and the outlet and configured to direct a first flow of gasses and a controller in operable communication with the compressor assembly. Where the intake system is operable in a first mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the outlet, and a second mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the inlet.

An intake system for use with an internal combustion engine having one or more cylinders. The intake system including a compressor assembly having an inlet and an outlet, and where the outlet is configured to be open to and in fluid communication with at least one of the one or more cylinders. The intake system also includes a passageway extending between and in fluid communication with the inlet and the outlet and configured to direct a first flow of gasses and a controller in operable communication with the compressor assembly. Where the intake system is operable in a first mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the outlet, and a second mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the inlet.

A dual turbocharger system for an engine is provided. In one example, the dual turbocharger system may include two variable geometry turbines (VGTs), with each turbine being of the same size and operating in parallel, and with each compressor of the turbocharger operating in series, the first compressor of the first turbocharger being larger than the second compressor of the second turbocharger.

A hybrid vehicle with four drive wheels having: an internal combustion heat engine, which transmits the motion to a first pair of drive wheels and has at least one cylinder provided with at least one intake valve and with an exhaust valve; a turbine, which is designed to be rotated by the exhaust gases; a first electric machine, which is designed to be rotated by the turbine so as to generate electrical energy; a second electric machine, which transmits the motion to a second pair of drive wheels; and a control unit, which is configured to cyclically determine an electric power to be necessarily generated and an electric power generated by the first electric machine and to adjust an opening advance of the exhaust valve depending on the difference between the electric power generated by the first electric machine and the electric power to be necessarily generated.

Methods and systems are provided for a turbocharger. In one example, a method may include bypassing exhaust gases flowing to the turbocharger in response to a catalyst temperature being less than a threshold temperature. The bypassing includes opening a bypass valve and adjusting a position of one or more turbine nozzle vanes.

A power system includes an engine; an exhaust gas recirculation (EGR) system supplying a first portion of the engine exhaust gas from the exhaust manifold to the intake manifold; a turbine generator in communication with the exhaust manifold and configured to be driven by a second portion of the engine exhaust gas from the exhaust manifold to generate electrical power; a power network including at least one battery to store the electrical power generated by the turbine generator; and an electric compressor in fluid communication with the intake manifold and configured to be powered by the electrical power from the at least one battery of the power network and to compress at least a portion of the intake air for the engine.

A fluid cleaning and filtering system includes a pre-treatment system before a force generation turbine to condense and pretreat gases and particulate matter; a flow rectifier before a tangential inlet; diffuser pipes for compressing the gases and particulate matter therein and project same into the deflector disks, diffuser pipes at an outlet of the so-called condenser, a purger, a diffuser and a deflector; a force generation turbine; an energy generator using torque from the turbine rotor; an internal energy generator; a flow rectifier in a first tangential inlet and a flow rectifier in a second tangential inlet; a new full-cone atomizer nozzle to wet particles and clean gases; a diffuser in the condensers and a deflector disk for the condensers.

A fluid cleaning and filtering system includes a pre-treatment system before a force generation turbine to condense and pretreat gases and particulate matter; a flow rectifier before a tangential inlet; diffuser pipes for compressing the gases and particulate matter therein and project same into the deflector disks, diffuser pipes at an outlet of the so-called condenser, a purger, a diffuser and a deflector; a force generation turbine; an energy generator using torque from the turbine rotor; an internal energy generator; a flow rectifier in a first tangential inlet and a flow rectifier in a second tangential inlet; a new full-cone atomizer nozzle to wet particles and clean gases; a diffuser in the condensers and a deflector disk for the condensers.