A charge air control system for a forced induction internal combustion engine, comprising sensing means, comparison means and temperature control means. The sensing means are arranged to measure one or more attributes of charge air proximal to an air inlet of the internal combustion engine. The comparison means are arranged to compare the one or more attributes of charge air to at least one predetermined value. The temperature control means are arranged to control the temperature of the charge air in dependence on the comparison means.

An internal combustion engine includes, in addition to an LPL-EGR system, two water vapor separation film modules for fresh air and for EGR gas. One module 34 is connected to a pressure reducing pump 40 through a suction passage 38. Other module 36 is connected to a pressure reducing pump 44 through a suction passage 42. A condenser 54 that condenses water vapor that flows through the suction passage 38 is provided in the suction passage 38. A water tank 56 that temporarily accumulates condensed water that is discharged from the condenser 54 is provided on a downstream side relative to the condenser 54. The water tank 56 is connected to injectors 60 that inject water from the water tank 56 into intake ports of respective cylinders or into respective cylinders.

A heat exchanger for cooling a flow of media, comprising a plurality of pipes. The pipes are each received in a respective pipe base at the ends, and the pipes are received in a housing between the two pipe bases, the housing being connected to the pipe bases in a fluid-tight manner. A coolant channel is formed by a shaped region oriented outwards along an outer wall which delimits the housing. The coolant channel has an opening oriented in the direction of the inner volume of the housing, and the coolant channel is in fluidic communication with the inner volume of the housing via the opening. The opening is at least partly covered by a panel, and the panel is arranged on the housing outer wall surface oriented inwards, the outer wall having the coolant channel. A gap is formed between an edge, which delimits the opening, and the panel.

An intercooler for a turbocharged internal combustion heat engine; the intercooler has: a cooling chamber, which is provided with an air inlet opening and an air outlet opening opposite one another; a plurality of exchanger plates, which are stacked on top of one another inside the cooling chamber, are arranged parallel to an air flowing direction from the inlet opening to the outlet opening, are spaced apart from one another so as to define corresponding air passage channels between one another, and are internally hollow; a circulation circuit, which allows a cooling fluid to circulate inside the exchanger plates; and a plurality of thermoelectric cells, each of which is mounted on a corresponding exchanger plate, and has a cold side resting on the exchanger plate and a hot side delimiting a corresponding air passage channel.

A system includes an air source, an internal combustion engine, a first turbocharger, a second turbocharger, and a third turbocharger. The first turbocharger includes a first turbine and a first compressor, the second turbocharger includes a second turbine and a second compressor, and the third turbocharger includes a third turbine and a third compressor. The third compressor is fluidly coupled to the air source and is fluidly coupled to one of the first compressor and the second compressor. The first compressor is fluidly coupled upstream of the second compressor, and the second compressor is fluidly coupled upstream of the third turbine. The third turbine is fluidly coupled upstream of the internal combustion engine.

Systems and methods to increase the recharge rate of a supplemental cooling system are provided. The system may include a primary cooling system configured to cool a thermal load, a supplemental cooling system, and a thermoelectric cooling apparatus. The thermoelectric cooling apparatus may assist the primary cooling system in recharging the supplemental cooling system in response to the supplemental cooling system operating in a recharge state, to the availability of electrical capacity, and to one or more operating parameters of the primary cooling system falling outside a predetermined range, wherein the operating parameter affects a cooling capacity of the primary cooling system.

A method of cooling a compressor, providing compressed working fluid, in a natural gas based combustion engine is provided. The method includes diverting at least a portion of natural gas from a fuel tank of the combustion engine. The method further includes routing the portion of natural gas towards the compressor. The method also includes providing one or more nozzles disposed at one or more strategic locations of the compressor. The method further includes injecting the portion of natural gas, via the one or more nozzles, inside the compressor. The method also includes allowing the portion of natural gas to diffuse with the compressed working fluid inside the compressor in an endothermic expansion process, to convectively cool the compressor.

Provided are a control method for an air intake intercooler of an engine and a control system thereof, which relates to the technical field of intercoolers. The air intake intercooler includes a primary thermal management unit that can heat and cool intake air. The control method for the air intake intercooler includes acquiring real-time air intake temperature of an air inlet of the intake intercooler; controlling the primary thermal management unit to turn on a heating mode in response to the real-time air intake temperature being lower than a set minimum temperature limit value; and controlling the primary thermal management unit to turn on a cooling mode in response to the real-time air intake temperature being higher than the set maximum temperature limit.

A split cycle internal combustion engine comprising a compression cylinder accommodating a compression piston; a combustion cylinder accommodating a combustion piston; a crossover passage between the compression cylinder and the combustion cylinder arranged to provide working fluid to the combustion cylinder; a controller arranged to determine a peak temperature of combustion in the combustion cylinder based on a received indication of a peak temperature of combustion in the combustion cylinder; and a coolant system arranged to regulate a temperature of the working fluid supplied to the combustion cylinder; wherein, in response to determining that the peak temperature of combustion exceeds a selected threshold, the controller is configured to control the coolant system to regulate the temperature of the working fluid supplied to the combustion cylinder so that a peak temperature of combustion in the combustion cylinder is less than the selected threshold.

An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 m to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level.