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公开(公告)号：EP3910172A1
公开(公告)日：2021-11-17
申请号：EP21173468.6
申请日：2021-05-12
发明人： FESSLER, Harald
摘要： Boosted internal combustion engine (IC) provided with valve actuation system (VA), the combustion engine comprising a head (H) where a poppet valve (V) is arranged in such a way to open protruding in the combustion chamber and to close against a corresponding seat, the valve communicating the combustion chamber with an intake manifold (IK), the actuation system (VA) including a pneumatic actuator (PD) comprising a piston (AP) operatively connected with the stem (VS) of the poppet valve (V), at least a first chamber (FC) where the piston (AP) is movable in such a way the first chamber is between the poppet valve and the piston (AP), a spring (SP) arranged to expand the first chamber, wherein the first chamber is fluidly connected with the intake manifold through a pressurization throttled channel (PC) and a pressure sink (SK), which is at a pressure constantly under the intake one, through a controllable valve (SV).
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2.发明授权SYSTEM FOR PERFORMING AN ENGINE BRAKING PROCEDURE BASED ON DECOMPRESSION EVENTS FOR A 4-STROKE CYCLE ENGINE 有权用于执行四冲程循环引擎的基于减压事件的发动机制动程序的系统
公开(公告)号：EP3004575B1
公开(公告)日：2017-12-13
申请号：EP14735862.6
申请日：2014-05-27
发明人： FESSLER, Harald
CPC分类号： F01L1/08 , F01L13/06 , F01L2013/0052 , F02D13/0273 , F02D13/04
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公开(公告)号：EP4043702A1
公开(公告)日：2022-08-17
申请号：EP22155573.3
申请日：2022-02-08
发明人： FESSLER, Harald , BINDER, Mathias
IPC分类号： F01L13/00 , F01L1/18 , F01L1/26 , F01L13/06 , F02D13/04 , F01L1/14 , F01L1/24 , F01L1/12 , F01L1/46
摘要： A system for operating a cylinder valve assembly for an internal combustion engine comprising a main event motion source configured to provide main event valve motions to the valve assembly, a main rocker arm operatively connected to the main event motion source, in such a way to assume an active condition at main event and a released condition, a lost motion assembly (LMA) operatively associated to the valve assembly (VB), wherein the lost motion assembly includes a locking element (LE), wherein the locking element is arranged to assume a locking condition with a first portion disposed in a corresponding seat (LES) of the valve assembly wherein the outer plunger includes a first duct (LD) to convey a hydraulic medium, arranged to pressurize the seat (LES) and wherein the lost motion assembly is realized such that sliding force exerted on the locking element by the corresponding seat pressurization exceeds frictions developed between the locking element and the corresponding seat only when the rocker arm is in released condition
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公开(公告)号：EP3396131A1
公开(公告)日：2018-10-31
申请号：EP18169590.9
申请日：2018-04-26
发明人： FESSLER, Harald
摘要： Internal combustion engine arrangement comprising an internal combustion engine (ICE), a turbocharger (TC) comprising a turbine (TB) and a compressor (TCP) and a variable compressor (ESC) arranged between the internal combustion engine and said compressor (TCP) and control means (ECU) arranged to control said variable compressor, according to at least one of the followings: a) to throttle the intake, on the basis of a turbocharger speed, in order to avoid its over speed, b) to throttle the intake, on the basis of at least one component temperature of an Aftertreatment system (ATS) connected to said exhaust line, in order to warm up said ATS component; c1) to throttle the intake or c2) to define a second supercharging stage in order to reduce a pressure in an inlet line, where a high pressure exhaust gas recirculation (EGR) pipe (EGRP) flows; d) to control a rack position of said turbine having variable geometry in order to maintain the turbocharger in its optimal operating condition and to achieve an predetermined combustion engine boost level by controlling said variable compressor.
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公开(公告)号：EP3926153A1
公开(公告)日：2021-12-22
申请号：EP21180448.9
申请日：2021-06-18
发明人： FESSLER, Harald
摘要： A conditioning apparatus (CA; CAE) for an engine (ICE) includes a conditioning device (CD) with a first opening (I1) for receiving the medium and a second and a third opening (O1, O2) for releasing a medium to a first and a second temperature level, a delivery line (DL) connected to the second opening (O1) to bring the medium to the engine (ICE) and comprising an adjusting assembly (T1) to control a first flow (A1) of the medium from the second opening (O1) toward the engine (ICE), a return line (RL) connected to the first opening (I1) to supply the conditioning device (CD) with the medium heated by the engine (ICE), a charge air cooler (CAC) for cooling an intake air flow of the engine (ICE) by means of the medium, and an additional line (AL) passing through the charge air cooler (CAC) to conduct the medium from the third opening (O2) to the return line (RL) and having a second adjusting assembly (T2; T4) to control a second flow (B1; B1, C2) of the medium from the third opening (O2) toward the charge air cooler (CAC).
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公开(公告)号：EP3462002A1
公开(公告)日：2019-04-03
申请号：EP18205951.9
申请日：2016-09-09
发明人： FESSLER, Harald , CAMPBELL, John , SCHLEGEL, Reto
摘要： Method for improving the purifying liquid evaporation in a dosing module for an SCR catalyst, the dosing module (DMD) comprising means for spraying (DM) an urea-based liquid (SC) into an exhaust gas stream (F), the method comprising splitting of the exhaust gas flow (F) into two gas streams (F1, F2) physically separated between each other by means of the septum (SP) and spraying of a purifying liquid directly into only one first gas stream (F1) of said two gas streams (F1, F2) and exploiting one second gas stream (F2) of said two gas streams to yield heat to said septum (SP) while said purifying liquid is sprayed in order to vaporize droplets of said purifying liquid colliding with the septum (SP), the latter comprising fins (FN) arranged in in order to be lapped by said one second gas stream (F2) by capturing its heat content.
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公开(公告)号：EP3141719B1
公开(公告)日：2018-11-14
申请号：EP16188151.1
申请日：2016-09-09
发明人： FESSLER, Harald , CAMPBELL, John , SCHLEGEL, Reto
CPC分类号： F01N3/2066 , F01N5/02 , F01N2240/02 , F01N2410/00 , F01N2470/24 , F01N2610/02 , F01N2610/102 , F01N2610/1453 , Y02A50/2325 , Y02T10/16 , Y02T10/24
摘要： Method for improving the purifying liquid evaporation in a dosing module for an SCR catalyst, the dosing module (DMD) comprising means for spraying (DM) an urea-based liquid (SC) into an exhaust gas stream (F), the method comprising splitting of the exhaust gas flow (F) into two gas streams (F1, F2) physically separated between each other by means of the septum (SP) and spraying of a purifying liquid directly into only one first gas stream (F1) of said two gas streams (F1, F2) and exploiting one second gas stream (F2) of said two gas streams to yield heat to said septum (SP) while said purifying liquid is sprayed in order to vaporize droplets of said purifying liquid colliding with the septum (SP), the latter comprising fins (FN) arranged in in order to be lapped by said one second gas stream (F2) by capturing its heat content.
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8.发明授权System for preventing the urea crystal formation within an exhaust gas after treatment system 有权用于防止废气处理系统内的尿素晶体形成的系统
公开(公告)号：EP2826973B1
公开(公告)日：2017-10-25
申请号：EP13177048.9
申请日：2013-07-18
IPC分类号： F01N3/20
CPC分类号： F01N3/208 , F01N3/2066 , F01N2610/02 , F01N2610/10 , F01N2610/102 , F01N2610/1453 , Y02A50/2325 , Y02T10/24
摘要： System for preventing the urea crystal formation within the ATS, the exhaust ATS comprising a dosing module (DM) having dosage means (J) for producing a spray of urea-based reducing agent defining a spray cone (C) downstream of the dosage means (J), the device comprising an electric heating element (H), suitable to be connected to an electrical energy source, arranged in order to operatively fall within the spray cone (C).
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9.发明公开System for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine 审中-公开系统zurDurchführungeines Motorbremsverfahrens basierend auf Dekompressionsereignissen eines 4-Takt-Motors
公开(公告)号：EP2808503A1
公开(公告)日：2014-12-03
申请号：EP13169302.0
申请日：2013-05-27
发明人： FESSLER, Harald
CPC分类号： F01L1/08 , F01L13/06 , F01L2013/0052 , F02D13/0273 , F02D13/04
摘要： System for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine, the engine comprising at least a cylinder having an inlet pipe and an outlet pipe, cylinder inlet and outlet valves and control means for controlling a displacement of said cylinder valves. The system performs a first compression phase (B-II) followed by a first decompression event (B-II') and, in succession, a sucking phase (B-III) from the outlet pipe and a second compression phase (B-IV) followed by a second decompression event (B-IV').
摘要翻译： 用于基于用于四冲程循环发动机的减压事件执行发动机制动过程的系统，所述发动机至少包括具有入口管和出口管的气缸，气缸入口和出口阀以及用于控制所述气缸的位移的控制装置 阀门。 系统执行第一压缩阶段（B-II），然后执行第一减压事件（B-II'），并且连续地从出口管和第二压缩阶段（B-IV）进行吸入阶段（B-III） ），之后是第二次减压事件（B-IV'）。
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10.发明公开
公开(公告)号：EP4086438A1
公开(公告)日：2022-11-09
申请号：EP22171164.1
申请日：2022-05-02
发明人： FESSLER, Harald , BINDER, Mathias
摘要： A valve train for operating a cylinder valve assembly for an internal combustion engine comprising a valve bridge (VB) including a casing (CS) wherein is slidably inserted a lost motion assembly (LMA), wherein the lost motion assembly includes an outer plunger (OP) having a longitudinal development (X) arranged to receive a main rocker arm action and to transmit such action to the valve bridge through a locking element (LE), wherein, said outer plunger (OP) includes an axial cavity (CV) where an inner plunger (IP) is suitable to slide in response of oil pressurization; the lost motion assembly being configured to define a clearance (CC) between a bottom portion (BP) of the casing and a bottom portion (BP1) of the outer plunger (OP) configured to receive pressurized oil and wherein said casing (CS) is provided of a passing through opening (MO) to discharge said pressurized oil in such a way to dump a sudden restriction of the clearance (CC) caused by lost motion activation.
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