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1. 发明申请

WO2019001730A1 A VEHICLE SYSTEM, AND A METHOD FOR SUCH VEHICLE SYSTEM 审中-公开
公开(公告)号：WO2019001730A1
公开(公告)日：2019-01-03
申请号：PCT/EP2017/066298
申请日：2017-06-30
申请人： VOLVO TRUCK CORPORATION
发明人： KRAUSCHE, Sebastian
IPC分类号： F02B37/00 , F02B41/10 , F02M26/05 , F02M26/07 , F02M26/22 , F02M26/71
摘要： The invention relates to a method for a vehicle system (100) comprising an internal combustion engine (10) having a turbocharger unit (110) connected thereto, a turbocompound unit (120) arranged to receive exhaust gas flowing from the turbocharger unit (110), and an exhaust gas recirculation system (130). The method comprises controlling the exhaust gas flowing through the exhaust gas recirculation system (130) by determining the exhaust gas pressure, and, if the determined exhaust gas pressure is above a predetermined threshold value directing the recirculated exhaust gas to an air intake line (160) downstream a charge air cooler (170), and, if the determined exhaust gas pressure is not above the predetermined threshold value directing the recirculated exhaust gas to a compressor (114) of the turbocharger unit (110).

2. 发明申请

WO2019001989A1 A VEHICLE SYSTEM AND A METHOD FOR SUCH VEHICLE SYSTEM 审中-公开
公开(公告)号：WO2019001989A1
公开(公告)日：2019-01-03
申请号：PCT/EP2018/065965
申请日：2018-06-15
申请人： VOLVO TRUCK CORPORATION
发明人： KRAUSCHE, Sebastian
IPC分类号： F02B37/00 , F02B41/10 , F02M26/05 , F02M26/07 , F02M26/22 , F02M26/71
摘要： The invention relates to a method for a vehicle system (100) comprising an internal combustion engine (10) having a turbocharger unit (110) connected thereto, a turbocompound unit (120) arranged to receive exhaust gas flowing from the turbocharger unit (110), and an exhaust gas recirculation system (130). The method comprises controlling the exhaust gas flowing through the exhaust gas recirculation system (130) by determining a pressure difference, and, if the determined pressure difference is above a predetermined threshold value directing the recirculated exhaust gas to an air intake line (160) downstream a charge air cooler (170), and, if the determined pressure difference is not above the predetermined threshold value directing the recirculated exhaust gas to a compressor (114) of the turbocharger unit (110).

3. 发明申请

WO2018219448A1 A METHOD AND SYSTEM FOR CONTROLLING ENGINE DERATING 审中-公开
公开(公告)号：WO2018219448A1
公开(公告)日：2018-12-06
申请号：PCT/EP2017/063148
申请日：2017-05-31
申请人： VOLVO TRUCK CORPORATION
发明人： KRAUSCHE, Sebastian , BAUER, Martin
IPC分类号： F02D41/00 , F02B37/24 , F02D41/18
摘要： The invention relates to a method of controlling engine derating of an internal combustion engine (10) being provided with a turbocharger (110) and a variable inlet guide vanes assembly (130) arranged upstream a compressor (120) of the turbocharger (110). The method comprises determining a current operational condition requiring engine derating, detecting a current operational condition of the compressor (120), and controlling the position of the variable inlet guide vanes assembly (130) based on the detected operational condition of the compressor (120).

4. 发明申请

WO2014079466A1 POWER TURBINE UNIT 审中-公开
标题翻译：动力涡轮机组
公开(公告)号：WO2014079466A1
公开(公告)日：2014-05-30
申请号：PCT/EP2012/004819
申请日：2012-11-21
申请人： VOLVO TRUCK CORPORATION
发明人： GISELMO, Kent , EKSTRAND, Magnus , SUNDIN, Lars , KRAUSCHE, Sebastian
IPC分类号： F01D11/04 , F02C6/12
CPC分类号： F01D11/04 , F01D25/22 , F01D25/30 , F02C6/12
摘要： The invention concerns a power turbine unit (2) comprising a turbine housing (17a, 17b), an exhaust duct (18), a turbine wheel (6) with blades positioned in said exhaust duct (18), a shaft (16) rigidly connected to said turbine wheel (6) and rotatably supported in said housing (17b), and an oil sealing system. The oil sealing system comprises a sealing arrangement (37) positioned in the vicinity of the turbine wheel (6) for preventing oil from escaping from said turbine housing (17b) along said shaft (16) to said exhaust duct (18). The oil sealing system further comprises a buffer gas duct (40) that is arranged to supply exhaust gas from said exhaust duct (18) to said sealing arrangement (37) for pressurizing said sealing arrangement (37).
摘要翻译：本发明涉及一种动力涡轮机单元（2），其包括涡轮机壳体（17a，17b），排气管道（18），具有位于所述排气管道（18）中的叶片的涡轮机叶轮（6）连接到所述涡轮机叶轮（6）并且可旋转地支撑在所述壳体（17b）中，以及油封系统。油封系统包括位于涡轮机叶轮（6）附近的密封装置（37），用于防止油沿着所述轴（16）从所述涡轮机壳体（17b）逸出到所述排气管道（18）。油封系统还包括缓冲气体导管（40），该缓冲气体管道（40）被布置成将来自所述排气管道（18）的废气提供给所述密封装置（37）以加压所述密封装置（37）。

5. 发明申请

WO2018219449A1 A METHOD AND VEHICLE SYSTEM USING SUCH METHOD 审中-公开
公开(公告)号：WO2018219449A1
公开(公告)日：2018-12-06
申请号：PCT/EP2017/063151
申请日：2017-05-31
申请人： VOLVO TRUCK CORPORATION
发明人： KRAUSCHE, Sebastian , MARTIN, Bauer
IPC分类号： F02D41/10 , F02B37/22 , F02B37/24 , F02D41/00
摘要： The invention relates to a method of controlling transient behaviour of an internal combustion engine (10) being provided with a turbocharger (110) and a variable inlet guide vanes assembly (130) arranged upstream a compressor (120) of the turbocharger (110). The method comprises determining a current operational condition indicative of transient behaviour, and, if said transient behaviour requires compressor acceleration: determining a desired operational condition of the compressor (120), and controlling the position of the variable inlet guide vanes assembly (130) based on the desired operational condition of the compressor (120).

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