An annular diffuser (27) is formed on an outlet side of a wheel (13) in a housing (5). A shroud-side wall surface (27s) and a hub-side wall surface (27h) of the diffuser (27) are parallel to a radial direction, respectively. A plurality of annular steps (35) is formed on the shroud-side wall…
An annular diffuser (27) is formed on an outlet side of a wheel (13) in a housing (5). A spiral scroll (31) is formed on an outlet side of the diffuser (27) in the housing (5). An annular concave part (37) is formed to be depressed to an inside in a radial direction in a boundary (35) between a…
In a control apparatus of an engine having a first fuel injection valve for injecting fuel into an intake path of the engine, a second fuel injection valve for injecting fuel into a combustion chamber of the engine, a supercharger for supercharging intake air for the engine, and a waste gate valve…
A compressor structure for turbochargers (1) including a scroll piece (20), a shroud piece 30 and a seal plate (40) assembled with each other in an axial direction (Y). The scroll piece (20) includes a penetration part (22) penetrating in the axial direction (Y) so as to constitute a discharge port…
A control apparatus of an engine comprises: fuel injection control means for controlling injection amounts of fuel injected from a first fuel injection valve, which injects fuel into an intake path of the engine, and a second fuel injection valve, which injects fuel into a combustion chamber of the…
In a control apparatus of an engine having a first fuel injection valve for injecting fuel into an intake path of the engine, a second fuel injection valve for injecting fuel into a combustion chamber of the engine, a supercharger for supercharging intake air for the engine, and a waste gate valve…
The present invention relates to a method of heating the intake air of an engine using an electric supercharger, the supercharger comprising a compressor wheel and an electric drive assembly for rotating the compressor wheel; wherein the supercharger is arranged to operate in a charging…
A control device for an internal combustion engine, which can accurately estimate an intake air amount introduced from an intake system into an internal combustion engine, is provided. The control device calculates the change amount of an air amount in an upstream section upstream of a throttle…
A control apparatus is provided for an internal combustion engine that includes a turbosupercharger, an electric supercharger, and a WGV configured to open and close an exhaust bypass passage. In a single-supercharging range in which an engine torque is less than a torque boundary value TQ2, a WGV…
An internal combustion engine system (10) includes: an electric supercharger (26) and a turbo-compressor (20a) that are arranged in series in that order; a first intake bypass passage (22) that bypasses the turbo-compressor (20a); and a first intake bypass valve (24) that opens and closes the first…
An internal combustion engine system includes: a turbosupercharger having a turbo-compressor arranged in a first intake passage; a throttle valve provided on a downstream side relative to the turbo-compressor; a second intake passage that bypasses the turbo-compressor; and an electric supercharger…
A centrifugal compressor having a casing (3) that houses an impeller (2) allowing rotation about a rotational axis C, a gas channel (4), a treatment hollow part (18) provided inside the casing, a first channel (21) open to the gas channel on the downstream side of the blade leading edge (17) of the…
The invention relates to a control device for controlling an opening degree of a throttle valve (6) that is provided in an intake passage (3) of an engine (1) with a supercharger (4). When the throttle valve (6), which is in an open valve state, closes in response to an accelerator operation amount…
The invention relates to a supercharging device for an internal combustion engine, in particular for a vehicle, comprising a compressor with a compressor housing and a compressor chamber in which a compressor wheel is arranged, an electric motor with a rotor and a stator, a motor housing with a…
The invention relates to a method for operating a motor vehicle with an internal combustion engine having an exhaust gas turbocharger that can be controlled by means of a control device and an electrically operated compressor, and with an electrical energy storage device as well as a generator for…
A supercharger-equipped combustion engine (E) includes a crankshaft (39) extending in a widthwise direction of a vehicle supported by a crankcase (40) and a supercharger (62) disposed above the crankcase (40). Power from the crankshaft (39) is transmitted through a supercharger transmission (99) to…
A supercharger-equipped combustion engine (E) includes a crankcase (40) supporting a crankshaft (39) extending in a widthwise direction of a vehicle, and a cylinder block (42) disposed above the crankcase (40). A supercharger (62) is disposed above the crankcase (40) and rearward of the cylinder…
Fuel gas supply systems for an internal combustion engine having an electric compressor (40) with a flow housing (42) in which a compressor impeller is arranged, a throttle valve (22), an intake channel section (21) in which the throttle valve (22) is arranged, a bypass channel (38) in which the…
An object is to provide an electric supercharging device that has a high degree of freedom in layout and can suppress the generation of heat from an electric motor. The electric supercharging device 1 includes an electric motor 2, a compressor 3 that supercharges intake air for a vehicle engine, a…
The invention relates to a drive system with an internal combustion engine (1), an exhaust gas turbocharger (2) comprising a turbine (4) and a compressor (3) driven by the turbine, and with a turbogenerator (5), wherein the turbogenerator (5) is arranged in parallel with the turbine (4) of the…
It is intended to implement an electric supercharger that has a simplified architecture, is easy to assemble, produces reduced vibration and noise, and has a motor inverter, making it possible to minimize losses in motor output and rotary-shaft output. The electric supercharger is provided with the…
There is provided a turbocharging apparatus and vehicles using the same. The turbocharging apparatus comprises a wind collecting device, a first turbine and a second turbine. The wind collecting device comprises a first opening and a second opening and an air flow channel for connecting the two…
The invention relates to a controlled object (63, 52) for variably controlling a control amount relating to the engine and an actuator for changing the operation state of the controlled object. The control device comprises means for determining a control signal to be given to the actuator for…
An air intake duct (54) for fluid connecting between an air intake control valve unit (52) and a supercharger (60) includes a duct inlet (56) fluid connected with an outlet port (52b) of the air intake control valve (52) and oriented in a first direction (D1), a duct outlet (58) fluid connected…
A supercharger drive device (1) for a combustion engine (E) includes a gear carrier shaft (6) operable to rotate in unison with a crankshaft (2) of the combustion engine (E), a high speed gear (8) and a low speed gear (10) provided in the gear carrier shaft (6), a drive shaft (14) of a supercharger…
A turbo machine includes an impeller that rotates to make gas flow, a driving device that rotationally drives the impeller, a rotary shaft that transmits a rotational driving force of the driving device to the impeller, a bearing that rotatably supports the rotary shaft, and a casing that houses at…
The gear drive (1) has a driving shaft, where a starting unit (5) is provided for supporting axial loads of the driven shaft. The starting unit has a secondary axial bearing (4). The gear drive is arranged between a drive engine (6) and a driving assembly (7). An independent claim is also included…
A motor-driven centrifugal compressor (10) includes a journal air bearing (52a) having a bump foil (58) and a top foil (60) for restraining a bearing shaft (22) in a resting state and forming an air layer (61) between the top foil (60) and the bearing shaft (22) in a rotating state. The top foil…
A control apparatus for an internal combustion engine in accordance with the invention includes a supercharger (20), a bypass passage (24); flow amount adjustment means (25), operational state detection means (16), and driving time determination means (16). The. supercharger (20) is connected to an…
The engine has an internal combustion engine (2) with an exhaust line (8) and a valve (20) in an air line (4). A turbo compressor (12) has a turbine (10) on the exhaust line and a compressor (16) on the air line. Another turbo compressor (22) has a turbine (24) on the air line in parallel to the…