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Cummins Ltd patents

Recent patent applications related to Cummins Ltd. Cummins Ltd is listed as an Agent/Assignee. Note: Cummins Ltd may have other listings under different names/spellings. We're not affiliated with Cummins Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Cummins Ltd-related inventors


A compressor comprises a compressor housing, a compressor wheel mounted within the housing and having compressor blades, and a bearing housing. The compressor housing comprises a cover member and a diffuser member that is connected to both the cover member and the bearing housing. ... Cummins Ltd

A turbomachine shaft and journal bearing assembly

A turbomachine comprising a turbomachine shaft for rotation about an axis and for supporting a turbine wheel at one end of the turbomachine shaft; and a bearing housing having a wall defining a bore in which the turbomachine shaft is received with a substantially annular clearance, the turbomachine shaft being supported for rotation in the bore by at least one journal bearing located within the annular clearance. A surface of the turbomachine shaft which radially underlies the or each journal bearing has a surface roughness (ra) of less than 0.15 microns and the or each journal bearing comprises a bronze alloy incorporating bismuth in an amount of up to around 6 wt %.. ... Cummins Ltd

Compressor and turbocharger

A compressor comprising a housing having an axial intake defining an intake passage and an annular outlet volute defining an annular outlet volute passage, 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, a diffuser defining an annular diffuser passage surrounding the impeller, the annular diffuser passage having a diffuser inlet downstream of said plurality of blades, the tips of the blades sweeping across said diffuser inlet during use, wherein the compressor further comprises at least two vane members, each having a vane receivable in the diffuser passage and an actuator is coupled to the vane members to move each such that the axial length of it's vane within the diffuser passage is varied.. . ... Cummins Ltd

Temperature and angular speed sensing apparatus

A sensing apparatus for a turbomachine comprises: a magnet; a sensing coil; a power supply; and a processor. The magnet is arranged to produce a magnetic field and the sensing coil is at least partially disposed in the magnetic field. ... Cummins Ltd

A turbine generator

A turbine generator comprises an elongate member, a support structure, a turbine wheel and an electrical generator. The support structure comprises a shaft and supports the elongate member for rotation about a rotation axis. ... Cummins Ltd

Anti-rotation device and assembly

A assembly comprises: a first member, a second member and an anti-rotation device. The first member is provided with a bore and a groove on a surface of the bore. ... Cummins Ltd

Method of manufacturing a compressor housing

A method of manufacturing a compressor housing is provided comprising arranging a core with a die to define a mould cavity, solidifying a metal within the cavity to form a compressor housing comprising a diffuser first wall and an outlet volute first wall having an opening; the housing being formed such that a first angle is subtended between an outlet section of a surface of the diffuser first wall and a first section of a surface of the outlet volute first wall, wherein after the housing has been formed, the core is removed and a cut is applied, through the opening, to the first section of the surface of the outlet volute first wall to produce a cut section such that a second angle is subtended between the cut section and the outlet section of the surface of the diffuser first wall that is greater than the first angle.. . ... Cummins Ltd

Variable geometry turbine assembly

A variable geometry turbine assembly comprising an inlet passageway, extending radially inwards towards a turbine wheel, defined between a surface of a movable wall member and a facing wall and an actuation mechanism arranged to move the movable wall member axially and comprising a cam member provided with at least one formation and a carrier member axially coupled to at least one co-operating formation, wherein one of the at least one formation and the at least one co-operating formation is a radially extending formation, the at least one formation or the at least one co-operating formation extending in both the circumferential direction and the axial direction such that as the cam member is rotated relative to the carrier member, the at least one formation and the at least one co-operating formation engage such the movable wall member is moved in the axial direction.. . ... Cummins Ltd

Turbine housing

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. ... Cummins Ltd

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Cummins Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Cummins Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by