专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

2. 发明授权

EP3974626B1 HEATING DEVICE FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE 有权
公开(公告)号：EP3974626B1
公开(公告)日：2023-12-13
申请号：EP21198364.8
申请日：2021-09-22
发明人： BRIGNONE, Mauro , MILANI, Emanuele , RIVELLA, Stefano , LA SANA, Marco
IPC分类号： F01N3/025 , F01N3/20 , F01N3/30 , F01N3/36 , F01N3/38 , F01N13/14

4. 发明公开

EP4124730A1 METHOD TO CONTROL AN EXHAUST GAS AFTER-TREATMENT SYSTEM FOR AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE 有权
公开(公告)号：EP4124730A1
公开(公告)日：2023-02-01
申请号：EP22186641.1
申请日：2022-07-25
申请人： Marelli Europe S.p.A.
发明人： SENSI, Fabio , CAVANNA, Filippo
IPC分类号： F01N3/36 , F01N3/025 , F01N3/20
摘要： A method to control an exhaust gas after-treatment system (14) for an exhaust system (2) of an internal combustion engine (1) having at least one catalytic converter (15, 17) and a burner (21), which is suited to introduce exhaust gases into an exhaust duct (10) so as to speed up the heating of said at least one catalytic converter (15, 17); the method entails inserting an indicator (45) in a dashboard (40) of a vehicle provided with the internal combustion engine (1) so that it provides a driver of the vehicle with indications concerning the burner (21); and keeping the indicator (45) turned on during a starting step, during which the temperature of said at least one catalytic converter (15, 17) is lower than an activation temperature.

5. 发明公开

EP4112897A1 METHOD TO CONTROL A BURNER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE 有权
公开(公告)号：EP4112897A1
公开(公告)日：2023-01-04
申请号：EP22181841.2
申请日：2022-06-29
申请人： Marelli Europe S.p.A.
发明人： DE CESARE, Matteo , BRUGNONI, Enrico , PANCIROLI, Marco , STOLA, Federico
IPC分类号： F01N3/20 , F01N3/025 , F01N9/00 , F01N3/32 , F01N3/36 , F01N3/38
摘要： A method to control an internal combustion engine (1) provided with an exhaust system (2) for the exhaust gases of a vehicle having an exhaust duct (10) and an exhaust gas after-treatment system (14) comprising at least one catalytic converter (15, 17) arranged along the exhaust duct (10); a burner (21) suited to introduce the exhaust gases into the exhaust duct (10) to speed up the heating of said at least one catalytic converter (15, 17), wherein a combustion chamber (22) is defined inside the burner (21) which receives fuel from an injector (27), designed to inject the fuel inside the combustion chamber (22) and the fresh air by means of an air feeding circuit (23) provided with a pumping device (24) that feeds the air, a shut-off valve (26) arranged upstream of the burner (21) and a mass air flow sensor (9; 39) interposed between the pumping device (24) and the shut-off valve (26); the method provides the following steps: calculating the thermal power (P OBJ ) required to reach the nominal operating temperature of said at least one catalytic converter (15, 17); determining the objective air flow rate (ṁ A_OBJ ) to be fed to the burner (21) to obtain said thermal power (P OBJ ) required to reach the nominal operating temperature of said at least one catalytic converter (15, 17); determining the nominal number (N NOM ) of revolutions with which to operate the pumping device (24) by means of a map depending on the objective air flow rate (ṁ A_OBJ ), on the ambient pressure (P ATM ), on the ambient temperature (T ATM ) and on the pressure (P A ) of the air entering the burner (21); determining a closed-loop contribution (N CL ) of the number of revolutions with which to operate the pumping device (24) by means of a PID controller which tries to zero a difference between the objective air flow rate (ṁ A_OBJ ) and the air flow rate (ṁ A ) detected by the mass air flow sensor (9; 39); determining a further contribution (N ADAT ) of the number of revolutions with which to operate the pumping device (24) depending on the integral action of the PID controller under stationary conditions; and determining the actual number (N) of revolutions with which to operate the pumping device (24) by the sum of the nominal number (N NOM ) of revolutions, the closed-loop contribution (N CL ) of the number of revolutions with which to operate the pumping device (24) and the further contribution (N ADAT ) of the number of revolutions with which to operate the pumping device (24).

6. 发明公开

EP4063623A1 HYDROLYSIS SYSTEM, DENITRATION EQUIPMENT AND CONTROL METHOD OF HYDROLYSIS SYSTEM 审中-实审
公开(公告)号：EP4063623A1
公开(公告)日：2022-09-28
申请号：EP20891287.3
申请日：2020-07-29
申请人： Hitachi Zosen Corporation
发明人： MORI, Takuma , TANAKA, Hironaka , SHONO, Emi
IPC分类号： F01N3/08 , B01D53/94 , F01N3/36
摘要： A desired amount of ammonia is supplied to a NOx removal catalyst. A hydrolysis system (10) includes: a hydrolysis reaction vessel (400) in which urea water is sprayed to a gas stream to generate ammonia; a first fan (400) that supplies the gas stream to the hydrolysis reaction vessel; and a control device (600) that controls the first fan so as to change, in accordance with an amount of the urea water supplied to the hydrolysis reaction vessel, a supplied amount of the gas stream.

7. 发明授权

EP3421744B1 A FLUID TRANSFER SYSTEM AND METHOD 有权
公开(公告)号：EP3421744B1
公开(公告)日：2022-05-04
申请号：EP18190002.8
申请日：2006-12-22
发明人： BOE, Christian , JENSEN, Anders E. , MADSEN, Niels Torp , JOCHUMSEN, Hans Henrik
IPC分类号： F01N3/20 , F01N3/36

8. 发明授权

EP3341598B1 EXHAUST TREATMENT SYSTEM AND METHOD FOR TREATMENT OF AN EXHAUST GAS STREAM 有权转让
公开(公告)号：EP3341598B1
公开(公告)日：2022-04-20
申请号：EP16839707.3
申请日：2016-08-25
发明人： NILSSON, Magnus , BIRGERSSON, Henrik
IPC分类号： F01N3/035 , B01D53/94 , F01N3/20 , F01N3/023 , F01N3/10 , F01N9/00 , F01N3/36

9. 发明公开

EP3770386A1 ABGASNACHBEHANDLUNGSSYSTEM UND VERFAHREN ZUR ABGASNACHBEHANDLUNG EINES VERBRENNUNGSMOTORS 有权
公开(公告)号：EP3770386A1
公开(公告)日：2021-01-27
申请号：EP20183769.7
申请日：2020-07-02
申请人： VOLKSWAGEN AG
发明人： Kaack, Michael , Paukner, Stefan , Baron von Ceumern-Lindenstjerna, Falk-Christian
IPC分类号： F01N3/025 , F01N3/029 , F01N3/10 , F01N3/20 , F01N3/22 , F01N3/30 , F01N3/36 , F01N9/00 , F01N13/00
摘要： Die Erfindung betrifft ein Abgasnachbehandlungssystem für einen Verbrennungsmotor (10). Das Abgasnachbehandlungssystem weist eine Abgasanlage (20) auf, welche mit einem Auslass (18) des Verbrennungsmotors (10) verbindbar ist. In Strömungsrichtung eines Abgases des Verbrennungsmotors (10) durch einen Abgaskanal (22) der Abgasanlage (20) sind ein motornaher Drei-Wege-Katalysator (28) und stromabwärts des motornahen Drei-Wege-Katalysators (28) ein zweiter Katalysator (30, 32, 34) sowie eine Partikelminderungsvorrichtung (32, 36) angeordnet. Es ist vorgesehen, dass an dem Abgaskanal (22) ein Kraftstoffinjektor (38) angeordnet ist, mit welchem Kraftstoff stromabwärts des motornahen Drei-Wege-Katalysators (28) und stromaufwärts des zweiten Katalysators (30, 32, 34) eingespritzt werden kann und dass die Abgasanlage (20) ein Sekundärluftsystem (40) umfasst, mit welchem Sekundärluft stromabwärts des motornahen Drei-Wege-Katalysators (28) und stromaufwärts des zweiten Katalysators (30, 32, 34) in den Abgaskanal (22) eingeblasen werden kann.
Die Erfindung betrifft ferner ein Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors (10) mit einem solchen Abgasnachbehandlungssystem.

10. 发明授权

EP3269955B1 EXHAUST PURIFICATION SYSTEM AND CATALYST REGENERATION METHOD 有权
公开(公告)号：EP3269955B1
公开(公告)日：2020-10-28
申请号：EP16761535.0
申请日：2016-02-26
申请人： Isuzu Motors, Ltd.
发明人： NAKADA, Teruo , SAKAMOTO, Takayuki , NAGAOKA, Daiji
IPC分类号： F01N3/20 , F01N3/08 , F01N3/36 , B01D53/94 , B01D53/96 , F02D41/04 , F02D45/00

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式