In a vehicle side view, an electrically assisted turbocharger controller (34) or an electrically assisted turbocharger (32) of a leaning vehicle (1) is provided forward of a front end face (11f) of a cylinder member (11) in a vehicle front-rear direction so as to at least partially face the front…
A centrifugal compressor includes: a housing; an impeller rotatably disposed within the housing; a rotational shaft connected to the impeller; and a bearing member supporting the rotational shaft in the housing. An oil flow passage through which oil flows is formed in the housing. The oil flow…
An air supply arrangement (1) for an internal combustion engine (10) being equipped with at least a main turbocharger (12), in particular a two stroke engine, comprises an exhaust inlet (2) for introducing exhaust from the internal combustion engine (10) into the air supply device (1), the exhaust…
An object is to provide a centrifugal compressor in which an axial force applied from a shrink-fit impeller to a sleeve section is ensured even if the sleeve section is separated from a clamp surface in an axial direction of an attachment hole, as well as a turbocharger provided with the…
A system (8) includes a turbocharger (17) and at least one sensor (23) disposed adjacent the turbocharger. The at least one sensor (23) is configured to detect one or more resonance frequencies of the turbocharger. The system (8) also includes a controller (25) configured to receive a signal from…
In accordance with the present invention, condensed water generated upstream of a compressor can be caused to flow into a groove 44, and temporarily accumulated therein. The condensed water flowing into the groove 44 moves to a lower portion in a gravity direction (that is, to an ABV 38-side) in…
A fuel valve (50) for injecting gaseous fuel into the combustion chamber of a self-igniting internal combustion engine. The fuel valve (50) comprises an elongated fuel valve housing (52) with a rear end and a front end, a nozzle (54) with a plurality of nozzle holes (56) opening to a sac volume…
A compressor 20 includes an impeller 30, a housing 32, and a connecting shaft 34. An inlet 36 for introducing gas into a suction side of the impeller 30, and an annular groove 38 formed in an outer periphery of the inlet 36 are formed in the housing 32. The groove 38 communicates with the inlet 36…
A hybrid turbocharger (10) includes a first power conversion unit (12) that has a function by which direct-current power is converted into alternating-current power and is output to a generator motor (30), a smoothing capacitor (18) that is provided between direct-current buses, and a control unit…
An object is to provide a fluid machine whereby it is possible to improve performance, for example, expand a flow-rate operation rage with a simplified shape of an intake pipe. A fluid machine includes an impeller 6 mounted to a rotation shaft 5, a housing 2 which houses the impeller rotatably, and…
Provided is a turbocharger by which deviations in the temperature of mixed air constituted by recirculated exhaust gas and inhaled air can be prevented, thus enabling the suppression of declines in efficiency and declines in reliability; and a diesel engine comprising this turbocharger. A…
Aspects of the disclosure include a system for controlling an exhaust gas communicated from an engine system (110) to a turbine component (124) of a turbocharger system (120). The system can include a sensor (142) configured to determine a temperature of the exhaust gas; and a controller (150)…
This turbocharger silencer includes a suction housing (H) coupled to an outside-air introducing duct and that is attached to an air suction port of a turbocharger main body, to reduce noise of suction air introduced from radially outward with reference to a rotor shaft of the turbocharger main…
A first and second turbochargers (16A, 16B) for supercharging a first cylinder group which continues or stops an operation by a valve stopping mechanism (21) for reduced cylinders and a second cylinder group which stops or continues the operation by the valve stopping mechanism (21) for reduced…
A compressor (5) of a turbo supercharger (3) is located between an air flow meter (12) and a throttle valve (13). An EGR passage (21) is connected to an intake passage (10) at a joint (22) upstream of the compressor (5). The following relationship (1) is satisfied between an intake passage volume…
A turbocharger (30) and engine cylinder head (20) assembly (10) includes a center housing rotating assembly (CHRA, 32) and an engine cylinder head defining a receptacle for receiving the CHRA, the engine cylinder head defining a compressor volute (46). A diffuser (44) is defined for receiving and…
Embodiments of the present invention may include an intake air supply structure for a turbo supercharger (1) which includes a exhaust side impeller (22), a intake side impeller (21) of a compressor, an intake flow path (11), and an intake air swirling means (50; 50A; 50B; 50C). The exhaust side…
Provided is a turbocharger by which deviations in the temperature of mixed air constituted by recirculated exhaust gas and inhaled air can be prevented, thus enabling the suppression of declines in efficiency and declines in reliability; and a diesel engine comprising this turbocharger. A…
A seal body 24 is formed annularly to have a fitted/fixed portion 25 airtightly fitted and fixed to a shoulder 22 in a turbine housing 1 formed facing a scroll passage 8 and have a clearance facing portion 27 facing an outer periphery of a turbine-housing-side exhaust introducing wall 9a with a…
The present invention is a control device of a diesel engine including turbochargers. A fuel limitation arithmetic unit (3) configured to determine a fuel quantity based on operation statuses of the turbochargers is connected to a fuel limitation portion (27) configured to transmit an operation…
Multi-stage turbocharging, and more particularly, an advanced multi-stage turbocharging system using the variable turbine power of one or more variable turbine geometry (VTG) turbochargers to adjust compressor boost and exhaust back pressure to engine operating demands. The invention further…
The compressor includes a casing, in which is rotatably mounted a compressor wheel (1) with blades installed on a hub, a flow passage (3) defined in the blade region by the hub and the compressor casing (21), and a diffuser installed in the flow passage between the blade region and a pressure…
In an electronic control unit 31, a duty conversion map 41 from which a driving duty in energizing and driving an electromagnetic coil, not shown, of an electromagnetic vacuum adjustment valve 12 on the basis of a variable equivalent to target quantity of feedback of exhaust gas, for example, the…
The method involves performing scavenging of waste gas from a cylinder, in admission phase, in a valve intersection phase in which an exhaust valve (20 1) and an inlet valve (14 1) are simultaneously opened. Opening of an exhaust valve (20 3) of a cylinder in exhaust phase is controlled, during a…
An exhaust driven turbocharger for an IC engine, e.g. Otto or diesel engine, has an improved gas flow management system which boots low speed performance and reduces the so called turbo hole effect. The management system operates inside a map comprising the relationship between the pressure ratio…
The method involves driving a turbine of the respective exhaust gas turbocharger with air under pressure (cold test) and testing at least using measurement parameters on the compressor of the respective turbocharger. The air pressure is at least partly generated by an internal combustion engine…
A total pressure exhaust gas recirculation duct system includes a turbocharger having a turbine inlet scroll, an exhaust gas recirculation duct and a valve assembly disposed between a port and inlet scroll and the inlet to the exhaust gas recirculation duct. The valve is situated so that the valve…