According to an aspect of the present invention, there is provided a turbocharger assembly, comprising: a turbocharger; one or more actuators for controlling a flow of fluid in, around, or associated with the operation of the turbocharger; control electronics for use in controlling actuation of the one or more actua...

A variable geometry turbine comprises a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and a cylindrical sleeve axially movable across the annular inlet to vary the siz...

A compressor comprising a housing having an axial intake and an annular outlet volute, an impeller mounted on a shaft for rotation about a shaft axis between the axial intake and the annular outlet volute, the impeller having a plurality of blades, an annular diffuser passage surrounding the impeller, the diffuser p...

A turbine housing has a cavity that defines a turbine axis and has a volute. The volute comprises a volute passage spiralling radially inwards towards the cavity a substantially annular throat positioned around the cavity between it and the volute passage and a tongue terminating at a distal tongue tip. In a plan...

A sensor apparatus comprising a housing having an inner perimeter which defines an area through which gas may flow the housing being provided with a first chamber which extends around the area through which gas may flow an entrance being distributed around the first chamber and a second chamber which extends around ...

A variable geometry turbine having a turbine wheel (5) an inlet passageway (9) a movable wall member (11) being moveable axially to vary the width of the inlet passageway an annular seal (127) being mounted to one of the movable wall member (11) and an adjacent housing member (103) to provide a seal between adjacent...

A variable geometry turbine comprises a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and a cylindrical sleeve axially movable across the annular inlet to vary the siz...

A variable geometry turbine comprising: a turbine wheel mounted for rotation about a turbine axis within a housing. The housing defines an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls. A cylindrical sleeve is axially movable across the annular inlet to vary the siz...

According to of the present invention there is provided a variable geometry turbine comprising: a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls, the annular inlet being...

ABSTRACT: Turbine A turbine comprises a turbine housing defining a turbine inlet upstream of a turbine wheel and a turbine outlet downstream of the turbine wheel; a wastegate passage connecting the turbine inlet and the turbine outlet; and a wastegate 5 valve comprising a movable valve member. The wastegate val...

A variable geometry turbine comprising a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and a cylindrical sleeve axially movable across the annular inlet to vary the si...

A variable geometry turbine assembly comprising an annular inlet passageway extending radially inwards towards a turbine wheel defined between a surface of a movable wall member (18) and a facing wall and an actuation mechanism arranged to move the movable wall member (18) axially the actuation mechanism comprising ...

A method of manufacturing a compressor housing comprising arranging a core with a die so as to define a mould cavity providing a molten metal within the mould cavity and solidifying the molten metal to form a compressor housing comprising a diffuser first wall member and an outlet volute first wall member; the compr...

A turbomachine with a shaft supporting a turbine wheel is supported for rotation in a housing. The shaft extends through a bore in the housing and a bearing assembly is disposed in the bore. The turbomachine has a first lubricating fluid slinger comprising a screw thread that is engageable with a threaded section of...

A variable geometry turbine has annular inlet passageway defined between a first surface of a radial wall of a movable wall mounted within a cavity and a facing wall of the turbine housing. The radial wall defines a second surface that opposes the first surface. The moveable wall member comprises an annular flange t...

A turbine housing defining a pair of volutes with respective outlets divided by a divider wall, includes a diffuser space in the gas flow path between the volutes and the turbine wheel. The diffuser space has an upstream portion having a smaller axial extent than a downstream portion of the diffuser space. The widen...

A variable geometry turbine comprising a turbine wheel mounted for rotation about a turbine axis within a housing. The housing defines an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls. The turbine further comprises a cylindrical sleeve that is axially movable across...

A turbomachine having an axial stop member arranged to restrain axial movement of a bearing assembly of the turbomachine, the axial stop member having a bore defined by a radially inner surface of the axial stop member which forms a close radial fit with a shaft of the turbo-machine, or a member mounted on the sh...

A method is proposed for designing a turbine of a turbocharger of an engine system having an exhaust gas recirculation (EGR) path. At at least one engine speed, such as the peak torque speed, a pressure drop along the EGR path is determined, and then the turbine design is selected such that the asymmetry factor is a...

A mixed-flow turbine wheel (214) is proposed which compared to existing mixed-flow turbine wheels has reduced mass and moment of inertia because radially-outer portions of existing mixed-flow turbine wheels are omitted. In a first possibility the omitted material may be scalloping of the back face (203) of the turbi...

A variable geometry turbine comprising a turbine wheel mounted for rotation about a turbine axis within a housing. The housing defines an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls. The turbine further comprises a cylindrical sleeve that is axially movable across...

A turbine for a turbo-machine is proposed in which, at a gas inlet, vanes, extending from a nozzle ring though slots in a shroud, are shaped on one side to as to substantially conform to the profile of the surface of the slot, whereby a close connection can be formed between the vane and the slot to inhibit leakage ...

A valve system (30) for an engine arrangement. The valve system comprises a valve chamber (31) positioned at a junction of an inlet port (30b), an outlet port (30a) and a bypass port 5 (30c), the inlet port (30b) configured for fluid communication with a flow of exhaust gas from an engine, the outlet port (30a) co...

A turbine comprises a turbine housing defining a turbine inlet upstream of a turbine wheel and a turbine outlet downstream of the turbine wheel; and a wastegate valve assembly comprising at least one movable valve member mounted on a movable support member within a wastegate chamber which communicates with the turbi...

A turbine bypass valve (30) comprising: a casing (40) defining first and second casing ports (42,44); and a valve cartridge (46) mounted to the casing; wherein the valve cartridge comprises: first and second valve ports (48,50); and a valve member (52), the valve member being movable between a first position in whic...

A turbine comprises a turbine housing defining a turbine inlet upstream of a turbine wheel and a turbine outlet downstream of the turbine wheel; and a wastegate valve assembly comprising at least one movable valve member mounted on a movable support member within a wastegate chamber which communicates with the turbi...

There is provided a turbine comprising: a turbine housing; a turbine wheel; an inlet upstream of the turbine wheel, the inlet defining a first inlet portion and a second inlet portion; an outlet downstream of the turbine wheel, the outlet defining a first outlet portion and a second outlet portion; and a wastegate a...

An exhaust throttle valve configured for use with a turbocharger. The exhaust throttle valve comprising a housing defining a duct configured to receive exhaust gas discharged from an outlet of the turbocharger; a valve member disposed within the duct and being movable between an open configuration in which flow of e...

A turbine comprises a housing defining a turbine chamber (52) within which a turbine wheel (14) is supported for rotation about a first axis. The housing further defines first and second inlet volutes (19a, 19b) which each spiral radially inwards and extend from a respective inlet to adjoin the turbine chamber. The ...

A turbocharger assembly (1) comprises a turbine (4), a compressor (6), a housing (8), one or more electronic components (38, 40, 41, 42, 45, 47, 50, 51, 52, 54, 58) and a peltier device (46). The peltier device (46) is configured to provide electrical power to the one or more electronic components (38, 40, 41, 42, 4...

There is provided a diffuser for a turbine, comprising: a support configured to mount to a turbine housing; a diffuser body configured to receive fluid from an outlet of the turbine, the diffuser body defining a longitudinal axis and having a perimeter with a length measured in a plane normal to the longitudinal axi...

A two-part wastegate valve member assembly (37) comprises a support member (36) and a valve member (35). The support member defines an aperture (80). The valve member comprises a central portion (82) extending through the aperture and two opposed end portions (84, 86) disposed on opposite sides of the aperture. Each...

There is disclosed an adapter for an outlet of a turbine having a wastegate. The adapter comprises: a primary conduit configured to receive fluid that has passed through a turbine wheel of the turbine; and a secondary conduit configured to receive fluid that has passed through the wastegate. The primary conduit furt...

A seal system for a bearing chamber (22) of a turbomachine includes the baffle element (70) encircling the axis (25) of the machine. The baffle element is formed with front surface including both a recess (73) which defines acircumferentially-extending oil-receiving channel (74), and an oil-deflecting surface (78) o...

A seal assembly for use in a turbomachine, the seal assembly comprising an oil seal plate; a rotatable component which defines a central axis and is received in a central aperture of the oil seal plate; and an annular seal which comprises a base and a sealing portion, the base being held by the rotatable component; ...

A rotary turbine bypass valve for an engine arrangement is disclosed. The rotary turbine bypass valve comprises a valve chamber and a valve rotor. The valve chamber is positioned at a junction of an inlet port, an outlet port and a bypass port. The inlet port is configured to fluidly communicate with a flow of exhau...

A turbine assembly for a turbocharger is disclosed. The turbine assembly comprises a housing and a vane assembly. The housing defines a flow path between an inlet and an outlet, the housing extending around an axis. The housing comprises first and second volutes which define a respective first and second flow passag...

Variable geometry turbines having new configurations of vanes are disclosed. New methods for designing new configurations of vanes for geometry turbines having are also disclosed.

There is disclosed a bearing housing for a turbocharger. The bearing housing comprises a body and a mounting flange. The body is configured to receive one or more bearings. The one or more bearings are configured to support rotation of a shaft about an axis. The mounting flange extends around the body. The mounting ...

The turbine arrangement includes a turbine including a turbine housing which defines a turbine cavity within which a turbine wheel is supported for rotation a turbine inlet upstream of the turbine wheel and a turbine outlet downstream of the turbine wheel. The turbine arrangement also includes a flow passage between...

A rotary turbine bypass valve (30) comprises a valve chamber (31) positioned at a junction of an inlet port (30b), an outlet port (30a) and a bypass port (30c), the inlet port configured for fluid communication with a flow of exhaust gas from an engine, the outlet port configured for fluid communication with an inle...

There is provide a seal assembly (2) comprising: a first component (8) and a second component (10) spaced apart from the first component so as to define a passage (12) for the transfer of fluid from an inlet (14) of the seal assembly to an outlet (16) of the seal assembly, wherein the first component comprises a con...

There is disclosed a turbine housing 2 for a turbomachine. The turbine housing 2 comprises a volute 6 which extends around an axis 22 and defines at least part of a flow passage 24 through the turbine housing 2. The flow passage 24 extends from a first inlet opening 12. The turbine housing 2 further comprises a flan...

A nozzle ring for a variable geometry turbine comprises: a generally annular wall; an inner flange; an outer flange; and two protrusions. The inner flange is generally perpendicular to the generally annular wall and extends from a radially inner edge of the generally annular wall. The outer flange is generally perpe...

There is disclosed a method of electro-chemically machining a cavity of a component using a flexible electrode. The flexible electrode comprises: a flexible core; a conductive body electrically coupled to the core; and a non-conductive body. The method comprises: inserting the flexible electrode through an opening a...

An electrode assembly for electrochemically machining a cavity of a component is disclosed. The electrode assembly comprises: an electrode, a mounting body, and an urging means. The electrode comprises a plurality of conductive elements, including an outermost conductive element. The mounting body is coupled to the ...

A vane arrangement for a compressor is disclosed. The vane arrangement comprises a generally annular vane deck and at least one vane. The generally annular vane deck extends at least partway around a longitudinal axis, defining a deck thickness b in the axial direction. The at least one vane projects from a first su...

A turbine dosing sealing arrangement is disclosed. The sealing arrangement comprises a sealing member and a conduit. The sealing member is configured to engage a turbine housing element at an interface. The conduit projects from the sealing member, the conduit defining at least part of a reductant fluid pathway acro...

An adapter element for a turbine is disclosed. The adapter element defines a longitudinal axis and comprises a first connection portion, a second connection portion, an outer wall and a dosing structure. The first connection portion is configured to engage the turbine. The second connection portion is configured to ...

A compressor cover for a turbomachine is disclosed. The compressor cover defines a central axis. The compressor cover comprises an inlet. The inlet is in fluid communication with a downstream outlet via a passage. The passage is at least partly defined between a first wall and a second wall of the compressor cover. ...

There is provided an assembly for a turbocharger, the assembly comprising a turbine housing (7) and a nozzle ring (1), wherein one of the turbine housing (7) and the nozzle ring (1) comprises a tongue (6) and the other of the turbine housing (7) and the nozzle ring (1) comprises a corresponding slot (4), the tongue ...

A mounting body for electrochemically machining a cavity of a component is disclosed. The mounting body comprises: an engagement face, at least part of an electrode and a plurality of electrode channels. The engagement face is engageable with the component to align the mounting body with the component. The at least ...

M&C PM359732GB 386 69050154-1 ABSTRACT: There is provided a turbine for a turbocharger, comprising: a turbine inlet passage configured to receive exhaust gas from an internal combustion engine, the exhaust gas received by the turbine inlet passage defining a turbine bulk flow; a turbine wheel chamber configured to r...

There is a provided an exhaust gas conduit for an exhaust system of an internal combustion engine. The exhaust gas conduit includes a main passage for a main flow of exhaust gases passing through the exhaust gas conduit, a chamber configured to receive an aliquot of exhaust gases separated from the main flow of exha...

There is disclosed a turbine dosing system for a turbocharger. The turbine dosing system comprises a turbine inlet passage (112), a turbine wheel chamber and a turbine outlet passage (116). The turbine inlet passage is configured to receive exhaust gas from an internal combustion engine. The turbine wheel chamber is...

There is disclosed a turbine dosing system for a turbocharger. The turbine dosing system comprises a turbine inlet passage, a turbine wheel chamber, a turbine outelte passage and a plurality of dosing modules. The turbine inlet passage is configured to receive exhaust gas from an internal combustion engine. The turb...

There is provided a turbine for a turbocharger, comprising: a turbine inlet passage configured to receive exhaust gas from an internal combustion engine, the exhaust gas received by the turbine inlet passage defining a turbine bulk flow; a turbine wheel chamber configured to receive the turbine bulk flow from the tu...

There is provided a centrifugal impeller for a compressor of a turbocharger. The impeller comprises a hub and a blade. The hub extends along an impeller axis. The blade extends from the hub. The blade defines a pressure surface and a suction surface. The pressure surface comprises a concave portion. ...

There is provided a nozzle ring for a turbine of a turbocharger. The nozzle ring comprises: a nozzle dividing wall, at least on nozzle vane, and a circumferentially extending outer rim. The nozzle dividing wall extends generally perpendicular to a longitudinal axis of the nozzle ring. The at least one nozzle vane ex...

A butterfly valve assembly for an engine arrangement is disclosed. The butterfly valve assembly comprise a valve housing and a valve member. The valve housing defines at least part of a conduit. The valve member is disposed within the conduit and rotatable about an axis between an open configuration, in which fluid ...

There is disclosed a turbine housing (2) for a turbocharger. The turbine housing comprises a flange (4) and a volute 6. The flange (4) has an engagement surface (14) and a first inlet opening (12) in the engagement surface (14). The volute (6) extends around an axis (22) and defines at least part of a flow passage (...

A turbine comprising a wastegate chamber (28); a turbine housing (12) defining a turbine inlet (14), the turbine housing (12) comprising: a wastegate inlet passageway (30) defining a flow path between the turbine inlet (14) and the wastegate chamber (28), wherein the wastegate inlet passageway (30) comprises a turbi...

A chassis assembly for a generator set includes a frame. The frame includes a first side rail and a second side rail. The chassis assembly includes a fuel tank disposed between the first side rail and the second side rail. The fuel tank includes a top surface. The chassis assembly includes at least one crossmember d...

A nozzle ring (312) for a variable geometry turbine comprises: a generally annular wall (18); an inner flange (19); an outer flange (20); and two protrusions (330, 332). The inner and outer flanges are generally perpendicular to the generally annular wall and extend from a radially inner and outer edge of the genera...

There is provided a turbine housing comprising a housing dividing wall circumferentially extending around a central axis of the turbine housing. The housing dividing wall axially separates a first inlet volute and a second inlet volute. The housing dividing wall comprises a circumferentially extending tip configured...