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公开(公告)号：US10267268B2
公开(公告)日：2019-04-23
申请号：US15823203
申请日：2017-11-27
申请人： Robert Bosch GmbH
发明人： Marko Lorenz , Andreas Posselt , Andreas Gutscher
IPC分类号： F02M37/04 , F02M25/08 , B60K15/035 , B60K15/03
摘要： A pump device includes an electrical delivery pump, a first port for an air filter, a second port for a fuel tank, a valve opening, a connecting line, a bypass line, and an electrical switching valve. The connecting line connects the ports via the valve opening, which has a valve seat formed at the opening, a valve body receptacle, and a valve body configured to interact with the seat and adjustable in a direction of the seat by a delivery flow of the delivery pump. The bypass line branches off from the connecting line upstream of the opening, and has a throttled bypass outlet opening into the connecting line downstream of the opening. The switching valve has an electrical actuator, for example a magnet coil, operable to move the body. Such a pump device requires less structural space and reduced production costs relative to conventional pump devices.
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公开(公告)号：US09983090B2
公开(公告)日：2018-05-29
申请号：US15032107
申请日：2014-09-25
申请人： Robert Bosch GmbH
发明人： Peter Klee , Andreas Posselt , Marko Lorenz , Andreas Gutscher , Roland Kurz , Thomas Wieczorek , Thomas Herges , Joerg Koenig , Florian Guenther , Johannes Hoegl
CPC分类号： G01M3/26 , F02D33/003 , F02D41/0007 , F02D41/22 , F02D2041/225 , F02D2200/0602 , F02M25/0809 , F02M25/0818 , F02M25/0836 , F02M25/089 , Y02T10/40
摘要： The invention relates to a system (1) and to a corresponding method for tank leakage diagnosis. The system (1) comprises a fuel tank (3), a pressure source (5, 9), and a pressure sensor (7). The pressure source (5, 9) is configured to increase the pressure in the fuel tank (3). The pressure sensor (7) is configured to detect the pressure progression at the fuel tank (3). The system (1) is configured to seal the fuel tank (3) in a gas-tight manner such that the fuel tank (3) can be used as a pressure store. Furthermore, the system (1) is configured to conclude, independently of a current operation of the pressure source (5, 9) based on the determined pressure progression at the fuel tank (3), that a leak is present.
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公开(公告)号：US09677483B2
公开(公告)日：2017-06-13
申请号：US14783804
申请日：2014-02-12
申请人： Robert Bosch GmbH
IPC分类号： F02D41/00 , F02D19/08 , F02D41/32 , F02D41/04 , F02D41/30 , F02D19/06 , F02D41/14 , F02D41/26
CPC分类号： F02D41/0025 , F02D19/0623 , F02D19/0634 , F02D19/0692 , F02D19/088 , F02D41/047 , F02D41/1456 , F02D41/26 , F02D41/3094 , F02D41/32 , F02D2200/0612 , Y02T10/36
摘要： In a method for identifying a fuel type or a fuel mixture for a combustion chamber of an internal combustion engine having (i) a first intake opening connected to a first intake manifold inside which a first fuel injector is located, and (ii) a second intake opening connected to a second intake manifold inside which a second fuel injector is located, in a first method step, the first fuel injector remains closed, and in a second method step the first fuel injector is opened again and a first test fuel quantity is injected into the combustion chamber in the second method step via the first intake opening, and a second test fuel quantity is injected via the second intake opening, the first test fuel quantity and the second test fuel quantity being made up to form a predefined fuel quantity.
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公开(公告)号：US09926869B2
公开(公告)日：2018-03-27
申请号：US14783128
申请日：2014-02-12
申请人： Robert Bosch GmbH
CPC分类号： F02D41/047 , F02D41/2454 , F02D41/263 , F02D41/3011 , F02D41/3064 , F02D41/3094
摘要： A method for adapting a transition compensation based on a lambda value change for operating an engine, which includes a combustion chamber having a first inlet opening connected to a first intake pipe having a first injector. The chamber includes a second inlet opening connected to a second intake pipe having a second injector. During normal operation, a predetermined fuel quantity is injected, and this quantity includes a first and second fuel quantities to be injected respectively via the first and second openings. In a first step, the first injector remains closed, and in a second step, the first injector is opened again. In the second step, a first test fuel quantity is injected into the combustion chamber via the first opening and a second test fuel quantity is injected via the second opening, the first and second test fuel quantities making up the predetermined fuel quantity.
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公开(公告)号：US20160266003A1
公开(公告)日：2016-09-15
申请号：US15032107
申请日：2014-09-25
申请人： ROBERT BOSCH GMBH
发明人： Peter Klee , Andreas Posselt , Marko Lorenz , Andreas Gutscher , Roland Kurz , Thomas Wieczorek , Thomas Herges , Joerg Koenig , Florian Guenther , Johannes Hoegl
IPC分类号： G01M3/26
CPC分类号： G01M3/26 , F02D33/003 , F02D41/0007 , F02D41/22 , F02D2041/225 , F02D2200/0602 , F02M25/0809 , F02M25/0818 , F02M25/0836 , F02M25/089 , Y02T10/40
摘要： The invention relates to a system (1) and to a corresponding method for tank leakage diagnosis. The system (1) comprises a fuel tank (3), a pressure source (5, 9), and a pressure sensor (7). The pressure source (5, 9) is configured to increase the pressure in the fuel tank (3). The pressure sensor (7) is configured to detect the pressure progression at the fuel tank (3). The system (1) is configured to seal the fuel tank (3) in a gas-tight manner such that the fuel tank (3) can be used as a pressure store. Furthermore, the system (1) is configured to conclude, independently of a current operation of the pressure source (5, 9) based on the determined pressure progression at the fuel tank (3), that a leak is present.
摘要翻译： 本发明涉及一种系统（1）和相应的罐泄漏诊断方法。 系统（1）包括燃料箱（3），压力源（5,9）和压力传感器（7）。 压力源（5,9）构造成增加燃料箱（3）中的压力。 压力传感器（7）构造成检测燃料箱（3）处的压力进行。 系统（1）构造成以气密方式密封燃料箱（3），使得燃料箱（3）可以用作压力储存器。 此外，系统（1）被配置为独立于基于在燃料箱（3）处确定的压力进行情况下的压力源（5,9）的当前操作来确定存在泄漏。
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公开(公告)号：US20160069284A1
公开(公告)日：2016-03-10
申请号：US14783804
申请日：2014-02-12
申请人： ROBERT BOSCH GMBH
CPC分类号： F02D41/0025 , F02D19/0623 , F02D19/0634 , F02D19/0692 , F02D19/088 , F02D41/047 , F02D41/1456 , F02D41/26 , F02D41/3094 , F02D41/32 , F02D2200/0612 , Y02T10/36
摘要： In a method for identifying a fuel type or a fuel mixture for a combustion chamber of an internal combustion engine having (i) a first intake opening connected to a first intake manifold inside which a first fuel injector is located, and (ii) a second intake opening connected to a second intake manifold inside which a second fuel injector is located, in a first method step, the first fuel injector remains closed, and in a second method step the first fuel injector is opened again and a first test fuel quantity is injected into the combustion chamber in the second method step via the first intake opening, and a second test fuel quantity is injected via the second intake opening, the first test fuel quantity and the second test fuel quantity being made up to form a predefined fuel quantity.
摘要翻译： 一种用于识别用于内燃机的燃烧室的燃料类型或燃料混合物的方法，其具有：（i）连接到第一进气歧管的第一进气口，第一进气歧管位于第一进气歧管内，以及（ii）第二进气歧管 在第一方法步骤中，第一燃料喷射器保持关闭，并且在第二方法步骤中，第一燃料喷射器再次打开，并且第一测试燃料量是 经由第一进气口在第二方法步骤中喷入燃烧室，经由第二进气口喷射第二试验燃料量，第一试验燃料量和第二试验燃料量构成预定燃料量 。
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公开(公告)号：US20180023557A1
公开(公告)日：2018-01-25
申请号：US15546302
申请日：2015-09-04
申请人： Robert Bosch GmbH
CPC分类号： F04B49/06 , F02D41/20 , F02D41/2464 , F02D41/3082 , F02D2041/2037 , F02D2041/2051 , F02D2041/2055 , F02D2041/2058 , F04B17/04 , F04B17/044 , F04B19/22 , F04B35/045 , F04B49/065 , F04B53/14 , F04B53/16 , F04B2201/0201 , F04B2203/0401 , F04B2203/0402
摘要： The invention relates to a method for operating a piston pump (10) which is driven by means of a coil (1) of an electromagnet. A piston (2) of the piston pump (10) can be moved in a cylinder (3) for pumping purposes by means of the electromagnet. A voltage (U) is applied to the coil (1) during a switch-on period such that a current flows through the coil (1) and the piston (2) is accelerated, said voltage being applied by means of an actuation device (11). A time curve of an electric state variable (I, U) of the coil (1) is qualitatively detected, and the curve or a curve derived therefrom is analyzed in order to detect an impact of the piston (2) against a stop. The invention further relates to an actuation device and a piston pump.
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公开(公告)号：US20130118456A1
公开(公告)日：2013-05-16
申请号：US13671059
申请日：2012-11-07
申请人： ROBERT BOSCH GMBH
发明人： Andreas Gutscher , Andreas Posselt , Marko Lorenz
IPC分类号： B60K15/035 , F02M33/02
CPC分类号： B60K15/035 , B60K2015/03561 , B60K2015/0358 , F02M33/02
摘要： A system (1) for optimizing tank venting of a fuel tank (3) is presented. The system (1) has a temperature sensor (7), a closed-loop control unit (9) and a tank venting unit (11). The temperature sensor (7) is arranged directly in the fuel tank (3) and is designed to determine a current fuel temperature of a fuel (5) present in the fuel tank (3). The closed-loop control unit (9) is connected to the temperature sensor (7) and to the tank venting unit (11) and is designed to read out the current fuel temperature from the temperature sensor (7). The closed-loop control unit (9) is furthermore designed to control the tank venting unit (11) in accordance with the loading of the activated carbon filter, which in turn depends on the time profile of the fuel temperature.
摘要翻译： 提出了一种用于优化燃料箱（3）的排气的系统（1）。 系统（1）具有温度传感器（7），闭环控制单元（9）和箱体排出单元（11）。 温度传感器（7）直接设置在燃料箱（3）中，用于确定燃料箱（3）中存在的燃料（5）的当前燃料温度。 闭环控制单元（9）连接到温度传感器（7）和罐排放单元（11），并被设计成从温度传感器（7）读出当前的燃料温度。 此外，闭环控制单元（9）还被设计成根据活塞式碳过滤器的装载来控制油箱排放单元（11），活塞式过滤器又依赖于燃料温度的时间特性。
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公开(公告)号：US10989186B2
公开(公告)日：2021-04-27
申请号：US15546302
申请日：2015-09-04
申请人： Robert Bosch GmbH
摘要： The invention relates to a method for operating a piston pump (10) which is driven by means of a coil (1) of an electromagnet. A piston (2) of the piston pump (10) can be moved in a cylinder (3) for pumping purposes by means of the electromagnet. A voltage (U) is applied to the coil (1) during a switch-on period such that a current flows through the coil (1) and the piston (2) is accelerated, said voltage being applied by means of an actuation device (11). A time curve of an electric state variable (I, U) of the coil (1) is qualitatively detected, and the curve or a curve derived therefrom is analyzed in order to detect an impact of the piston (2) against a stop. The invention further relates to an actuation device and a piston pump.
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公开(公告)号：US20180156163A1
公开(公告)日：2018-06-07
申请号：US15823203
申请日：2017-11-27
申请人： Robert Bosch GmbH
发明人： Marko Lorenz , Andreas Posselt , Andreas Gutscher
IPC分类号： F02M25/08
CPC分类号： F02M25/0818 , B60K15/035 , B60K15/03519 , B60K2015/03256
摘要： A pump device includes an electrical delivery pump, a first port for an air filter, a second port for a fuel tank, a valve opening, a connecting line, a bypass line, and an electrical switching valve. The connecting line connects the ports via the valve opening, which has a valve seat formed at the opening, a valve body receptacle, and a valve body configured to interact with the seat and adjustable in a direction of the seat by a delivery flow of the delivery pump. The bypass line branches off from the connecting line upstream of the opening, and has a throttled bypass outlet opening into the connecting line downstream of the opening. The switching valve has an electrical actuator, for example a magnet coil, operable to move the body. Such a pump device requires less structural space and reduced production costs relative to conventional pump devices.
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