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公开(公告)号：US20230098102A1
公开(公告)日：2023-03-30
申请号：US17802877
申请日：2020-03-30
申请人： Cummins Ltd.
发明人： Stephen David Hughes
摘要： 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.
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公开(公告)号：US12055050B2
公开(公告)日：2024-08-06
申请号：US17802851
申请日：2021-02-26
申请人： Cummins Ltd.
发明人： Stephen David Hughes
CPC分类号： F01D17/16 , F01D5/141 , F01D17/14 , F05D2220/40 , F05D2240/12 , F05D2260/60 , F05D2260/81
摘要： 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.
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公开(公告)号：US20210363891A1
公开(公告)日：2021-11-25
申请号：US17055485
申请日：2019-05-15
申请人： Cummins Ltd.
发明人： Matthew William Edwards , Karl Conlon , Simon David Moore , Christopher Parry , Andrew Sullivan , Paul Ghosh , Mark R. Holden , George E. Sandford , Nandakishore Arcot Madhusudan , Stephen David Hughes , Christopher J Shaw
IPC分类号： F01D9/04
摘要： A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
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公开(公告)号：US20230287806A1
公开(公告)日：2023-09-14
申请号：US18019006
申请日：2021-07-30
申请人： CUMMINS LTD
CPC分类号： F01D25/246 , F01D9/02 , F01D17/16 , F05D2220/40 , F05D2230/642
摘要： There is provided an assembly for a turbocharger, the assembly comprising a turbine housing and a nozzle ring, wherein one of the turbine housing and the nozzle ring comprises a tongue and the other of the turbine housing and the nozzle ring comprises a corresponding slot, the tongue and slot being configured to engage and prevent relative rotation of the turbine housing and the nozzle ring. Also provided is a method of manufacturing a turbine housing, assembly for use in a turbocharger, or a turbocharger.
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公开(公告)号：US11441435B2
公开(公告)日：2022-09-13
申请号：US16349338
申请日：2017-11-13
申请人： Cummins Ltd
发明人： Simon David Moore , Matthew William Edwards , Stephen David Hughes , George E. Sanford , Nandakishore Arcot Madhusudan
摘要： 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 of gas between the vane and the slot surface.
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公开(公告)号：US11371369B2
公开(公告)日：2022-06-28
申请号：US17055485
申请日：2019-05-15
申请人： Cummins Ltd.
发明人： Matthew William Edwards , Karl Conlon , Simon David Moore , Christopher Parry , Andrew Sullivan , Paul Ghosh , Mark R. Holden , George E. Sandford , Nandakishore Arcot Madhusudan , Stephen David Hughes , Christopher J. Shaw
摘要： A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
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公开(公告)号：US11168606B2
公开(公告)日：2021-11-09
申请号：US16765701
申请日：2018-11-23
申请人： Cummins Ltd
发明人： Stephen David Hughes
摘要： A turbine comprises a housing defining a turbine chamber with a turbine wheel supported for rotation about an axis. The housing further defines first and second inlet volutes which each spiral radially inwards and extend from a respective inlet to adjoin the turbine chamber and a volute tongue for each inlet volute. The tongue of the first volute radially separating a downstream portion of the first volute adjacent the chamber from an upstream portion of the first volute adjacent said inlet of the first volute, and the tongue of the second volute radially separating a downstream portion of the second volute adjacent the chamber from an upstream portion of the second volute adjacent said inlet of the second volute. The tongues having a turbine scroll tongue overlap which is substantially zero or positive; and the first volute tongue is angularly spaced about the axis from the second volute tongue.
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公开(公告)号：US12065938B2
公开(公告)日：2024-08-20
申请号：US17802877
申请日：2020-03-30
申请人： Cummins Ltd.
发明人： Stephen David Hughes
CPC分类号： F01D17/16 , F01D5/141 , F01D17/14 , F05D2220/40 , F05D2240/12 , F05D2260/60 , F05D2260/81
摘要： Variable geometry turbines having a turbine housing with an inlet and an outlet, a turbine wheel rotatably mounted between the inlet and the outlet, a movable wall member having an inlet passageway between the inlet of the turbine housing and the turbine wheel, and a plurality of vanes circumferentially spaced and extending across the inlet passageway, the plurality of vanes having a specified shape. Methods for designing configurations of vanes for variable geometry turbines.
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公开(公告)号：US12037916B2
公开(公告)日：2024-07-16
申请号：US18019006
申请日：2021-07-30
申请人： Cummins Ltd.
CPC分类号： F01D25/246 , F01D9/02 , F01D17/16 , F05D2220/40 , F05D2230/642
摘要： There is provided an assembly for a turbocharger, the assembly comprising a turbine housing and a nozzle ring, wherein one of the turbine housing and the nozzle ring comprises a tongue and the other of the turbine housing and the nozzle ring comprises a corresponding slot, the tongue and slot being configured to engage and prevent relative rotation of the turbine housing and the nozzle ring. Also provided is a method of manufacturing a turbine housing, assembly for use in a turbocharger, or a turbocharger.
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公开(公告)号：US11697997B2
公开(公告)日：2023-07-11
申请号：US17728855
申请日：2022-04-25
申请人： Cummins Ltd.
发明人： Matthew William Edwards , Karl Conlon , Simon David Moore , Christopher Parry , Andrew Sullivan , Paul Ghosh , Mark R. Holden , George E. Sandford , Nandakishore Arcot Madhusudan , Stephen David Hughes , Christopher J. Shaw
CPC分类号： F01D9/04 , F01D17/143 , F01D17/167 , F02B37/22 , F05D2220/40 , F05D2240/128
摘要： A turbine for a turbo-machine is proposed in which, at a gas inlet for a turbine wheel, vanes extend from a nozzle ring though slots in a shroud. The nozzle ring and shroud are relatively rotatable about a rotational axis of the turbine by at least 0.1 degrees. In use, the nozzle ring and shroud are relatively rotated to bring one side of the vane into close contact with one surface of the slot, to inhibit leakage of gas between the vane and the slot surface. For this purpose the respective surfaces of the nozzle and slot can be configured to closely conform to each other. If there is differential thermal expansion of the shroud and nozzle ring, the nozzle ring and shroud can relatively rotate, to withdraw the vane from the edge of the slot to relieve the pressure between them.
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