An engine assembly includes an intermittent internal combustion engine having an engine shaft, a turbine having a turbine shaft, an output shaft for driving a load, and a gearbox having a first portion and a second portion. The engine shaft is in engagement with an accessory via the first portion. The turbine shaft is in driving engagement with the output shaft via the second portion. The gearbox is configurable between an engaged and a disengaged configurations. In the disengaged configuration, the first and second portions are decoupled, and the engine shaft and the turbine shaft are rotatable independently from each other. In the engaged configuration, the first and second portions are coupled, and the engine shaft and the turbine shaft are drivingly engaged with each other via the coupled first and second portions.

A variable type supercharger may include a first pulley receiving power from an engine, a planetary gear set connected to the first pulley, a gear portion engaged to the planetary gear set, a second pulley receiving power from the engine to transmit the power to the gear portion, a motor connected to the gear portion and transmitting power to the gear portion, and a compressor connected to the planetary gear set to receive power from the planetary gear set.

A variable type supercharger may include a first pulley receiving power from an engine, a planetary gear set connected to the first pulley, a gear portion engaged to the planetary gear set, a second pulley receiving power from the engine to transmit the power to the gear portion, a motor connected to the gear portion and transmitting power to the gear portion, and a compressor connected to the planetary gear set to receive power from the planetary gear set.

An internal combustion engine 31 for a motorcycle includes a supercharger 63 arranged above a crankcase 81 positioned below a front cylinder head 92 of a front bank 31A and a rear cylinder head 97 of a rear bank 31B. In the internal combustion engine 31 for the motorcycle, the crankcase 81 is covered with a case cover 116 from the outside in a vehicle width direction, and the supercharger 63 is supported by a supercharger supporting portion 116a provided above the case cover 116.

An internal combustion engine 31 for a motorcycle includes a supercharger 63 arranged above a crankcase 81 positioned below a front cylinder head 92 of a front bank 31A and a rear cylinder head 97 of a rear bank 31B. In the internal combustion engine 31 for the motorcycle, the crankcase 81 is covered with a case cover 116 from the outside in a vehicle width direction, and the supercharger 63 is supported by a supercharger supporting portion 116a provided above the case cover 116.

A car having two front wheels; two rear drive wheels; a supercharged internal combustion engine which is provided with a plurality of cylinders with which respective pistons slide and a drive shaft connected to the pistons; a compressor configured to compress air suited to be sucked by the supercharged internal combustion engine; a transmission which is interposed between the internal combustion engine and the rear drive wheels and has: a drum which is brought into rotation by the drive shaft, at least one clutch contained in the drum to receive the motion from the drum, and a primary shaft connected to the clutch; and an actuating system which connects the drum of the transmission to the first compressor so as to receive the motion from the drum of the transmission to cause the rotation of the first compressor.

In cases where an EGR device is provided in which an EGR gas is recirculated to an upstream side of a compressor, the generation of condensed water is suppressed in an intake passage at the downstream side of the compressor. In the case where the temperature of a wall surface of the intake passage estimated or detected by a temperature detector is equal to or less than a predetermined temperature, a rotational speed of a turbine is made higher than in the case where the estimated or detected temperature of the wall surface of the intake passage is higher than the predetermined temperature, and torque of an internal combustion engine is adjusted such that an amount of change in an output of the internal combustion engine at the time of the rotational speed of the turbine being thus made higher falls within a predetermined range.

In cases where an EGR device is provided in which an EGR gas is recirculated to an upstream side of a compressor, the generation of condensed water is suppressed in an intake passage at the downstream side of the compressor. In the case where the temperature of a wall surface of the intake passage estimated or detected by a temperature detector is equal to or less than a predetermined temperature, a rotational speed of a turbine is made higher than in the case where the estimated or detected temperature of the wall surface of the intake passage is higher than the predetermined temperature, and torque of an internal combustion engine is adjusted such that an amount of change in an output of the internal combustion engine at the time of the rotational speed of the turbine being thus made higher falls within a predetermined range.

The present disclosure describes a supercharging device for an internal combustion engine of a motor vehicle comprising: a planetary mechanism, a first electric machine, a second electric machine, a compressor impeller, and an internal combustion engine attachment for fastening to a drive output shaft of the internal combustion engine. The first electric machine, the second electric machine and the compressor impeller are connected to one another via the planetary mechanism. Along a longitudinal axis of the supercharging device, the compressor impeller is arranged on a first side of one of the electric machines, and the other of the electric machines is arranged on the second side situated opposite said first side.

The present disclosure describes a supercharging device for an internal combustion engine of a motor vehicle comprising: a planetary mechanism, a first electric machine, a second electric machine, a compressor impeller, and an internal combustion engine attachment for fastening to a drive output shaft of the internal combustion engine. The first electric machine, the second electric machine and the compressor impeller are connected to one another via the planetary mechanism. Along a longitudinal axis of the supercharging device, the compressor impeller is arranged on a first side of one of the electric machines, and the other of the electric machines is arranged on the second side situated opposite said first side.