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1.发明申请
公开(公告)号：WO2022242865A1
公开(公告)日：2022-11-24
申请号：PCT/EP2021/063537
申请日：2021-05-20
Applicant: VOLVO TRUCK CORPORATION
Inventor： AUDHAV, Tove , RAHM, Fredrik
IPC: H01M8/04014
Abstract: The present invention relates to a fuel cell system for a vehicle at least partially propelled by an electric traction motor, the fuel cell system comprising a fuel cell comprising an anode side and a cathode side, an expander connected to a fuel cell motor, an inlet conduit connected to an inlet end of the cathode side for supply of air to the cathode side, an outlet conduit connected between an outlet end of the cathode side and an inlet side of the expander for supply of an exhaust flow from the cathode side to the expander, and an exhaust conduit connected to an exhaust side of the expander, and a heat exchanger connected at the inlet conduit and at the exhaust conduit for transfer of heat between the inlet conduit and the exhaust conduit.
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公开(公告)号：WO2020119929A1
公开(公告)日：2020-06-18
申请号：PCT/EP2018/085054
申请日：2018-12-14
Applicant: VOLVO TRUCK CORPORATION
Inventor： CARLÉN ANDERSSON, Johan , RAHM, Fredrik
IPC: F01N3/20 , F02D41/02 , F02M26/05 , F02M26/34 , F02M31/04 , F01N3/22 , F02B37/16 , F01N3/30 , F01N3/32 , F02M26/35
Abstract: The present invention relates to a method for controlling an internal combustion engine arrangement (100) connected to an exhaust gas aftertreatment system (200), wherein the method is arranged to control a gas heating device (122), as well as a gas feeding arrangement to direct a flow of intake air through the exhaust gas recirculation conduit (112) from the intake system to the exhaust system, the flow of intake air being directed through the gas heating device before the intake air enters the exhaust gas aftertreatment system, in response to determining a requested start of the internal combustion engine to heat the aftertreatment system before starting the engine.
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公开(公告)号：WO2017198350A1
公开(公告)日：2017-11-23
申请号：PCT/EP2017/050518
申请日：2017-01-12
Applicant: VOLVO TRUCK CORPORATION
Inventor： ANDERSSON, Peter , RAHM, Fredrik
CPC classification number: F01N13/08 , F01N13/10 , F01N13/1811 , F01N13/1816 , F01N13/1827 , F01N2260/14 , F02B37/025 , F02B37/18 , F02B67/10 , F16J15/004 , F16J15/0887
Abstract: The invention involves a conduit connection assembly, wherein the assembly (200) comprises - a first conduit component (202) having a first mating structure (206) and - a second conduit component (204) having a second mating structure (208) adapted to be mated with the first mating structure (206), and - wherein the assembly comprises a sealing arrangement (220) for sealing between the mating structures (206, 208), characterized in that the sealing arrangement (220) comprises at least two spaced sealing members (222, 224) defining an intermediate space (226) and that the assembly comprises a pressure relief opening (228) arranged in communication with the intermediate space (226) between the two spaced sealing members (222, 224).
Abstract translation: 本发明涉及一种导管连接组件，其中该组件（200）包括具有第一配合结构（206）的第一导管部件（202）和具有第二导管部件（204）的第二导管部件（204） 适于与所述第一配合结构（206）配合的第二配合结构（208），以及 - 其中所述配件包括用于在所述配合结构（206,208）之间密封的密封装置（220），其特征在于， （220）包括限定中间空间（226）的至少两个隔开的密封构件（222,224），并且该组件包括布置成与中间空间（226）连通的压力释放开口（228） 在两个隔开的密封件（222,224）之间。
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公开(公告)号：WO2017198316A1
公开(公告)日：2017-11-23
申请号：PCT/EP2016/061482
申请日：2016-05-20
Applicant: VOLVO TRUCK CORPORATION
Inventor： ANDERSSON, Peter , RAHM, Fredrik
CPC classification number: F01N13/08 , F01N13/10 , F01N13/1811 , F01N13/1816 , F01N13/1827 , F01N2260/14 , F02B37/025 , F02B37/18 , F02B67/10 , F16J15/004 , F16J15/0887
Abstract: The invention involves a conduit connection assembly, wherein the assembly (200) comprises: - a first conduit component (202) having a first mating structure (206) and - a second conduit component (204) having a second mating structure (208) adapted to be mated with the first mating structure (206), and - wherein the assembly comprises a sealing arrangement (220) for sealing between the mating structures (206, 208), characterized in that the sealing arrangement (220) comprises at least two spaced sealing members (222, 224) defining an intermediate space (226) and that the assembly comprises a pressure relief opening (228) arranged in communication with the intermediate space (226) between the two spaced sealing members (222, 224).
Abstract translation: 本发明涉及一种导管连接组件，其中该组件（200）包括： - 具有第一配合结构（206）的第一导管部件（202）和 - 第二导管部件（204），其具有第一配合结构 适于与所述第一配合结构（206）配合的第二配合结构（208），以及 - 其中所述组件包括用于在所述配合结构（206,208）之间密封的密封装置（220），其特征在于，所述密封装置 （220）包括限定中间空间（226）的至少两个隔开的密封构件（222,224），并且所述组件包括布置成与所述中间空间（226）在所述两个隔开的密封构件（226）之间连通的压力释放开口（228） （222,224）。
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公开(公告)号：WO2020038577A1
公开(公告)日：2020-02-27
申请号：PCT/EP2018/072725
申请日：2018-08-23
Applicant: VOLVO TRUCK CORPORATION
Inventor： RAHM, Fredrik , CARLÉN ANDERSSON, Johan
Abstract: The invention relates to a method for controlling an internal combustion engine system (2), wherein the internal combustion engine system (2) is provided with an air intake duct (3), an exhaust gas duct (4) and an exhaust gas recirculation (EGR) system (5), wherein the EGR system (5) comprises an EGR conduit (6) that fluidly connects the exhaust duct (4) and the intake duct (3), and wherein a gas feeding device (7) is arranged in the EGR conduit (6), said gas feeding device (7) being configured to feed exhaust gas from the exhaust duct (4) to the intake duct (3) during operation of the engine system (2). The method is characterized in that it comprises the step of: detecting a risk of freezing of condensed water in the EGR conduit (6), and, in case such a risk is detected and in case the gas feeding device (7) is not in operation, operating the gas feeding device (7). The invention also relates to an internal combustion engine system (2) configured for being operated by such a method and to a vehicle (1) provided with such an engine system (2). The invention further relates to means for controlling the above method.
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Patent Agency Ranking
公开(公告)号：WO2020002571A1
公开(公告)日：2020-01-02
申请号：PCT/EP2019/067287
申请日：2019-06-28
Applicant: VOLVO TRUCK CORPORATION
Inventor： RAHM, Fredrik , CARLÉN ANDERSSON, Johan , ARONSSON, Ulf
Abstract: The invention relates to an internal combustion engine comprising a crankshaft, one or more cylinders including a cylinder head, a piston, a combustion chamber, one or more intake valves, one or more exhaust valves, an intake system configured for feeding intake air to the engine, an exhaust system configured for conveying exhaust gas away from the engine, a pressure charging system connected to the intake system and an exhaust gas recirculation (EGR) system arranged to feed branched off exhaust gas from the exhaust system to the intake system via an EGR conduit wherein: * the internal combustion engine includes a valve actuation device configured to allow for late or early closing of the intake valves in accordance with late or early Miller-type valve timing, and wherein * the EGR system includes a gas feeding device configured to feed exhaust gas through the EGR conduit in modes of operation wherein the pressure in the intake system exceeds the pressure in the exhaust system, * wherein the gas feeding device is a displacement pump and wherein the gas feeding device is arranged so that exhaust gas recirculating in the EGR system during operation of the engine passes the gas feeding device before being mixed with intake air in the intake system. Additionally, a method of improving efficiency of an internal combustion engine is described.
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公开(公告)号：WO2020001780A1
公开(公告)日：2020-01-02
申请号：PCT/EP2018/067546
申请日：2018-06-29
Applicant: VOLVO TRUCK CORPORATION
Inventor： RAHM, Fredrik , PEDERSEN, Jens , CARLÉN ANDERSSON, Johan
Abstract: The invention relates to an internal combustion engine comprising a crankshaft, one or more cylinders including a cylinder head, a piston, a combustion chamber, one or more intake valves, one or more exhaust valves, an intake system configured for feeding intake air to the engine, an exhaust system configured for conveying exhaust gas away from the engine, a pressure charging system connected to the intake system and an exhaust gas recirculation (EGR) system arranged to feed branched off exhaust gas from the exhaust system to the intake system via an EGR conduit wherein: - the internal combustion engine includes a valve actuation device configured to allow for late or early closing of the intake valves in accordance with late or early Miller-type valve timing, and wherein - the EGR system includes a gas feeding device configured to feed exhaust gas through the EGR conduit in modes of operation wherein the pressure in the intake system exceeds the pressure in the exhaust system. Additionally, a method of improving efficiency of an internal combustion engine is described.
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8.发明申请A CONDUIT CONNECTION ASSEMBLY, A TURBINE INLET CONDUIT, A TURBO CHARGER AND A VEHICLE 审中-公开一个导管连接组件，一个涡轮入口管道，一个涡轮充电器和一个车辆
公开(公告)号：WO2016177705A1
公开(公告)日：2016-11-10
申请号：PCT/EP2016/059850
申请日：2016-05-03
Applicant: VOLVO TRUCK CORPORATION
Inventor： ANDERSSON, Peter , RAHM, Fredrik
IPC: F02B33/44 , F02B37/02 , F01N13/18 , F16L23/00 , F16L55/04 , F01N1/02 , F16L23/16 , F04D29/66 , F02C6/12 , F01D9/02 , F02B39/16
CPC classification number: F02B33/44 , F01D9/02 , F01N1/026 , F01N13/1805 , F01N13/1827 , F01N13/1855 , F01N2260/16 , F02B37/02 , F02B39/16 , F02C7/28 , F04D29/083 , F04D29/665 , F05D2220/40 , F05D2260/6022 , F05D2260/606 , F16L23/00 , F16L39/00 , F16L55/04 , F16L55/052 , Y02T10/144 , Y02T10/163
Abstract: The invention involves a conduit connection assembly comprising a first conduit part (201) and a second conduit part (401), adapted to be assembled to form a conduit connection delimiting a first fluid conducting volume (VI), characterized in that the conduit connection assembly presents a second fluid conducting volume (V2), the first and second fluid conducting volumes (VI, V2) being arranged to communicate with each other via a pressure change inducing device (211) so as to form a common fluid guide (VI, V2), whereby during use of the conduit connection assembly the pressure in the first conducting volume (VI) is higher than the pressure in the second conducting volume (V2), in that a cavity (601) is formed between the first and second conduit parts (201, 401) at a distance (DC) from the first conducting volume (VI), and in that a draining connection (602) is adapted to provide a communication between the cavity (601) and the second fluid conducting volume.
Abstract translation: 本发明涉及一种导管连接组件，其包括第一导管部分（201）和第二导管部分（401），适于组装成形成限定第一流体传导容积（VI）的导管连接件，其特征在于，导管连接组件 呈现第二流体传导体积（V2），第一和第二流体传导体积（VI，V2）被布置成经由压力变化诱导装置（211）彼此连通，以便形成公共流体引导件（VI，V2 ），由此在使用导管连接组件期间，第一导电体积（VI）中的压力高于第二导电容积（V2）中的压力，因为在第一和第二导管部分之间形成空腔（601） （201,401），距离第一导电容积（VI）的距离（DC）处，并且排水连接（602）适于提供空腔（601）和第二流体传导体积之间的连通。
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公开(公告)号：WO2021032291A1
公开(公告)日：2021-02-25
申请号：PCT/EP2019/072297
申请日：2019-08-20
Applicant: VOLVO TRUCK CORPORATION
Inventor： RAHM, Fredrik , BAUER, Martin
Abstract: The invention relates to a method for operating an internal combustion engine system (1) comprising: an internal combustion engine (2) provided with a plurality of cylinders (31-36), each of which being provided with an air inlet valve (31 a) and an exhaust gas valve (31b); a fuel supply system (20) configured to supply fuel to the cylinders (31-36); an air intake system (4) and an exhaust gas system (5); a turbocharging arrangement (6) comprising an intake air compressor (7) arranged in the air intake system (4) and an exhaust gas turbine (8) arranged in the exhaust gas system (5), wherein the intake air compressor (7) is operatively connected to the exhaust gas turbine (8); a controllable gas feeding device (9) arranged in the air intake system (4) downstream the intake air compressor (7); an exhaust gas aftertreatment system (18) arranged downstream the exhaust gas turbine (8); and a wastegate (13) arranged to allow exhaust gas to bypass the exhaust gas turbine (8), wherein the internal combustion engine system (1) is configured to allow operational deactivation of one or more cylinders (34-36) while one or more cylinders (31-33) are operationally active. The method comprises the steps of: determining (SI) whether a functional efficiency of the exhaust gas aftertreatment system (18) is or is about to fall below a threshold value, and when so: deactivating one or more of the cylinders (34-36); adapting a drive level of the gas feeding device (9) so as to establish a pressure in the air intake system (4) that is within a range suitable for operating remaining active cylinders (31-33); and opening the wastegate (13) to such a degree that at least 50% of the exhaust gas bypasses the exhaust gas turbine (8).
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公开(公告)号：WO2021001031A1
公开(公告)日：2021-01-07
申请号：PCT/EP2019/067786
申请日：2019-07-02
Applicant: VOLVO TRUCK CORPORATION
Inventor： BAUER, Martin , RAHM, Fredrik
IPC: F02B37/013 , F01N5/04
Abstract: The invention relates to an internal combustion engine system (1) comprising: an internal combustion engine (2) provided with at least one cylinder (3), an air intake system (4) arranged to feed air to the at least one cylinder (3), an exhaust gas system (5) arranged to feed exhaust gas away from the at least one cylinder (3), a turbocharger arrangement (6) comprising a turbocharger turbine (7) operatively connected to a turbocharger compressor (8), wherein the air intake system (4) is arranged to feed intake air via the turbocharger compressor (8) and wherein the exhaust gas system (5) is arranged to feed exhaust gas via the turbocharger turbine (7) so as to drive the turbocharger compressor (8), and wherein the internal combustion engine system (1) further comprises a turbomachine (9) arranged in the exhaust gas system (5) downstream of the turbocharger turbine (7). In the engine system (1) the turbomachine is a positive displacement machine (9) configured to displace gas from an inlet (9a) to an outlet (9b) thereof by trapping a fixed amount of gas and forcing that trapped amount of gas from the inlet (9a) to the outlet (9b), wherein the internal combustion engine system (1) further comprises a variable drive unit (10) arranged to drive the positive displacement machine (9), and wherein the internal combustion engine system (1) is configured to control the drive unit (10) so as to control a flow of exhaust gas through the positive displacement machine (10).
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