A combustion engine having a pair of two-chamber cylinders, in which double ended pistons are located and directed toward themselves oppositely by the angle 180 and compressed together via crankshafts consisting of two crank elements, which are linked rotationally backward by a spacer bearing. The compression is realized with the use of two connecting rod pairs, from which each connecting rod is linked on the one side to with one crank element, whereas the second connecting rod ends are linked to one of shafts, out of which each shaft is connected with one of pistons via a valve rod. In the middle of each cylinder's wall the outlet channel of compressed air is located as well as the outlet channel of products of combustion together with air. In the head of each cylinder and in the compartment the fuel injector, the water vapor injector and the ignition element are located.

A combustion engine having a pair of two-chamber cylinders, in which double ended pistons are located and directed toward themselves oppositely by the angle 180 and compressed together via crankshafts consisting of two crank elements, which are linked rotationally backward by a spacer bearing. The compression is realized with the use of two connecting rod pairs, from which each connecting rod is linked on the one side to with one crank element, whereas the second connecting rod ends are linked to one of shafts, out of which each shaft is connected with one of pistons via a valve rod. In the middle of each cylinder's wall the outlet channel of compressed air is located as well as the outlet channel of products of combustion together with air. In the head of each cylinder and in the compartment the fuel injector, the water vapor injector and the ignition element are located.

There is disclosed an engine drive apparatus comprising an engine configured to generate a power by combusting mixed gas of air and gas fuel; a fan assembly arranged in an upstream of the engine and configured to super-charge the mixed gas towards the engine; and a mixer provided in an upstream of the fan assembly and configured to mix the air and the fuel with each other, wherein the fan assembly comprises a motor; and a fan connected with the motor via a shaft to drive, and the air is supplied to the mixer after passing through the motor.

Various types of forced induction systems are known for various types of internal combustions engines, including turbochargers and superchargers typically used in cars. The present system includes a first compressor 2 configured to produce a first stream of gas 3, an air multiplier 4 arranged to receive the first stream of gas 3 and eject the first stream of gas 3 over a Coanda surface, the air multiplier 4 configured to entrain ambient air 5 with the ejected first stream of gas to produce a second stream of gas 8, and a second compressor 9 arranged to receive the second stream of gas 8, and configured to compress the second stream of gas 8 for supply to an internal combustion engine. In this way, a mass of air being introduced into an internal combustion engine can be increased, by virtue of the air multiplier 4 upstream of the second compressor 9.

A blow-by gas device of a supercharger-equipped engine includes a blow-by gas passage that introduces blow-by gas into an intake passage via a positive crankcase ventilation (PCV) valve. A supercharger has a supercharger rotor provided integrally with a rotation shaft rotatably supported on a bearing part. A space communicating with the bearing part is connected to a communication passage. The communication passage guides the blow-by gas into the space.

A device and method for regulating a compressor for an internal combustion engine. At least one actual variable is detected that characterizes a property of an air column, which is situated at an outlet of the compressor in an induction tract of an internal combustion engine, the actual variable being compared in a comparison with a comparison value, the comparison value characterizing a limit for the property of the air column, a setpoint variable being determined as a function of the result of the comparison in order to shift the actual variable in the direction or opposite direction of the comparison value, and an actuator for influencing the actual variable being operated as a function of the setpoint variable.

A device and method for regulating a compressor for an internal combustion engine. At least one actual variable is detected that characterizes a property of an air column, which is situated at an outlet of the compressor in an induction tract of an internal combustion engine, the actual variable being compared in a comparison with a comparison value, the comparison value characterizing a limit for the property of the air column, a setpoint variable being determined as a function of the result of the comparison in order to shift the actual variable in the direction or opposite direction of the comparison value, and an actuator for influencing the actual variable being operated as a function of the setpoint variable.

A turbocharger rotating assembly (125) includes a shaft (20) rotatably supported in a bearing housing (123) via bearings (26, 128), a compressor impeller (18) mounted on the shaft (20), and an oil flinger (122) disposed on the shaft (20) between the bearings (26, 128) and the compressor impeller (18). The turbocharger (100) further includes an insert (134) disposed in the shaft-receiving axial bore (120) so as to surround the oil flinger (122), and a purge seal (160) operatively positioned in an interface (131) between the insert (134) and the oil flinger (122), whereby the purge seal (160) is configured to minimize oil passage from the bearing housing (123) into the interface (131). An annular cavity (150) encircles the radially outward-facing surface (138) of the insert (134), the cavity (150) forming a portion of a fluid path configured to deliver pressurized fluid to the interface (131).

A turbocharger rotating assembly (125) includes a shaft (20) rotatably supported in a bearing housing (123) via bearings (26, 128), a compressor impeller (18) mounted on the shaft (20), and an oil flinger (122) disposed on the shaft (20) between the bearings (26, 128) and the compressor impeller (18). The turbocharger (100) further includes an insert (134) disposed in the shaft-receiving axial bore (120) so as to surround the oil flinger (122), and a purge seal (160) operatively positioned in an interface (131) between the insert (134) and the oil flinger (122), whereby the purge seal (160) is configured to minimize oil passage from the bearing housing (123) into the interface (131). An annular cavity (150) encircles the radially outward-facing surface (138) of the insert (134), the cavity (150) forming a portion of a fluid path configured to deliver pressurized fluid to the interface (131).