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1. 发明授权

US11643987B2 In-line generation of pilot fuel for power systems 有权
公开(公告)号：US11643987B2
公开(公告)日：2023-05-09
申请号：US17468387
申请日：2021-09-07
申请人： Caterpillar Inc.
发明人： David T. Montgomery , David M. Ginter , Michael Bardell , Arnold Kim , Kenth Svensson
IPC分类号： F02D41/00 , F02D35/02 , F02M21/02 , F02D41/14 , F02D41/40
CPC分类号： F02D41/0027 , F02D35/023 , F02D41/1446 , F02D41/1448 , F02D41/403 , F02M21/0227
摘要： A system includes a fuel tank and a dehydration reactor that are configured to provide a primary fuel and a pilot fuel to a power system. The fuel tank is configured to store the primary fuel and is fluidly connected to a reactor feed line and a primary fuel line provide the primary fuel. The dehydration reactor is configured to receive the primary fuel via the reactor feed line and convert a portion of the primary fuel to the pilot fuel and a byproduct. The power system is configured to receive the pilot fuel from the dehydration reactor to initiate combustion of the primary fuel. The power system also includes a cylinder with an internal piston that receives the pilot fuel and the primary fuel, contains the combustion reaction, and generates power from the combustion reaction; and contains the combustion reaction. A pilot fuel injector provides the pilot fuel to the cylinder at a first time to initiate combustion and a primary fuel injector provides the pilot fuel to the cylinder at to generate power via the power system.

2. 发明授权

US11125188B2 Hydrogen and electric power co-production system and method 有权
公开(公告)号：US11125188B2
公开(公告)日：2021-09-21
申请号：US16531316
申请日：2019-08-05
申请人： Caterpillar Inc.
发明人： David M. Ginter , Mark W. Scaife , Ronald G. Silver , Jaswinder Singh
IPC分类号： F02M21/02 , H01M8/0612 , F02M26/22 , F02M26/34 , F02M26/51 , F02M21/04
摘要： A system and method for co-production of hydrogen and electrical power includes operating an engine having an electrical power generator connected thereto, and a hydrogen gas production plant, from a single source of gaseous fuel such that hydrogen extracted from a heated reformate provided by a partial oxidation catalyst is removed and collected for storage or sale while a tail gas is recirculated to an engine inlet to reduce NOx emissions during engine operation.

3. 发明授权

US09920714B2 Method for controlling ignition in internal combustion engine and pre-chamber assembly thereof 有权
公开(公告)号：US09920714B2
公开(公告)日：2018-03-20
申请号：US15197027
申请日：2016-06-29
申请人： Caterpillar Inc.
发明人： David M. Ginter , Sai Keat Paul Wang , Charlie C. Kim , Arnold M. Kim , Daniel G. Van Alstine
IPC分类号： F02B51/00 , F02B19/00 , F02B47/00 , F02M25/03 , F02B19/12 , F02M26/35 , F02M27/04
CPC分类号： F02M25/03 , F02B19/1019 , F02B19/108 , F02B19/12 , F02M25/12 , F02M26/35 , F02M27/04 , Y02T10/121 , Y02T10/125
摘要： An internal combustion engine is provided. The internal combustion engine includes an engine block having at least one cylinder. The internal combustion engine includes a cylinder head engaged with the engine block. The internal combustion engine includes a pre-chamber assembly associated with the cylinder head. The pre-chamber assembly includes a pre-chamber in fluid communication with a main combustion chamber. The pre-chamber assembly includes a fuel supply unit in fluid communication with the pre-chamber to selectively supply fuel to the pre-chamber. The pre-chamber assembly includes an auxiliary unit configured to produce oxygen and hydrogen. The auxiliary unit is in fluid communication with the pre-chamber to supply oxygen to the pre-chamber and in fluid communication with the main combustion chamber to supply hydrogen to the main combustion chamber. The pre-chamber assembly includes an ignition unit associated with the pre-chamber to selectively ignite a mixture of fuel and oxygen in the pre-chamber.

4. 发明公开

US20240136547A1 HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM 审中-公开
公开(公告)号：US20240136547A1
公开(公告)日：2024-04-25
申请号：US18048331
申请日：2022-10-19
申请人： Caterpillar Inc.
发明人： David Andrew Pierpont , David M. Ginter
IPC分类号： H01M8/04014 , H01M8/04082 , H01M8/04111 , H01M8/04119 , H01M8/04302 , H01M8/04537 , H01M8/04701 , H01M8/04746
CPC分类号： H01M8/04022 , H01M8/04111 , H01M8/04126 , H01M8/04156 , H01M8/04201 , H01M8/04302 , H01M8/04611 , H01M8/04716 , H01M8/04776 , F02B43/10
摘要： A fuel cell electrical power generation system is described herein. The system uses a combustor to increase the pressure and temperature of exhaust gases from a fuel cell stack of the system. The combustor uses hydrogen from a hydrogen supply to provide fuel to the combustor. The increased temperature/pressure of the exhaust gases post combustion are used to rotate a turbine, which in turn rotates a compressor of a turbocharger. The compressor compresses incoming air to increase the power output and/or the efficiency of the system. An ebooster can be used in low load conditions, such as during a startup or during at time in which the electrical loading on the fuel cells is relatively low.

5. 发明申请

US20210040916A1 Hydrogen and electric power co-production system and method 有权
公开(公告)号：US20210040916A1
公开(公告)日：2021-02-11
申请号：US16531316
申请日：2019-08-05
申请人： Caterpillar Inc.
发明人： David M. Ginter , Mark W. Scaife , Ronald G. Silver , Jaswinder Singh
IPC分类号： F02M21/02 , H01M8/0612 , F02M21/04 , F02M26/34 , F02M26/51 , F02M26/22
摘要： A system and method for co-production of hydrogen and electrical power includes operating an engine having an electrical power generator connected thereto, and a hydrogen gas production plant, from a single source of gaseous fuel such that hydrogen extracted from a heated reformate provided by a partial oxidation catalyst is removed and collected for storage or sale while a tail gas is recirculated to an engine inlet to reduce NOx emissions during engine operation.

6. 发明申请

US20160195057A1 LASER IGNITION SYSTEM FOR GASEOUS FUEL-POWERED ENGINE 审中-公开
标题翻译：燃气发动机激光点火系统
公开(公告)号：US20160195057A1
公开(公告)日：2016-07-07
申请号：US15067188
申请日：2016-03-11
申请人： Caterpillar Inc.
发明人： David M. Ginter , Arnold M. Kim , Jaswinder Singh , Kenth I. Svensson
IPC分类号： F02P23/04 , F02P15/08
CPC分类号： F02P23/04 , F02B23/101 , F02B43/00 , F02B2023/103 , F02D19/02 , F02D41/0027 , F02P15/08 , H01S3/005 , Y02T10/125 , Y02T10/32
摘要： A gaseous fuel-powered engine includes a fuel injector configured to selectively inject a plurality of gas plumes into the combustion chamber, and a laser ignition system configured to selectively ignite the gas plumes within the combustion chamber. The laser ignition system includes a laser source configured to generate at least one laser beam, and a beam splitter for splitting the laser beam into a plurality of partial laser beams. A focusing unit is provided to direct each partial laser beam to corresponding focal points in the gas plumes within the combustion chamber. A controller is configured to determine an operating state of the gaseous fuel-powered engine, regulate an intensity of each partial laser beam, and operate the focusing unit for directing the partial laser beams within the combustion chamber to ignite the gas plumes at the focal points during injection of the gas plumes within the combustion chamber.
摘要翻译：气体燃料动力发动机包括配置成选择性地将多个气体羽流喷射到燃烧室中的燃料喷射器，以及配置成选择性地点燃燃烧室内的气体羽流的激光点火系统。激光点火系统包括被配置为产生至少一个激光束的激光源和用于将激光束分成多个部分激光束的分束器。提供聚焦单元以将每个部分激光束引导到燃烧室内的气体羽流中的对应焦点。控制器被配置为确定气体燃料发动机的运行状态，调节每个部分激光束的强度，并且操作聚焦单元以将部分激光束引导到燃烧室内以点燃焦点处的气体羽流在气体羽流在燃烧室内注入期间。

7. 发明公开

US20240234755A9 HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM 审中-公开
公开(公告)号：US20240234755A9
公开(公告)日：2024-07-11
申请号：US18048331
申请日：2022-10-20
申请人： Caterpillar Inc.
发明人： David Andrew Pierpont , David M. Ginter
IPC分类号： H01M8/04014 , H01M8/04082 , H01M8/04111 , H01M8/04119 , H01M8/04302 , H01M8/04537 , H01M8/04701 , H01M8/04746
CPC分类号： H01M8/04022 , H01M8/04111 , H01M8/04126 , H01M8/04156 , H01M8/04201 , H01M8/04302 , H01M8/04611 , H01M8/04716 , H01M8/04776 , F02B43/10
摘要： A fuel cell electrical power generation system is described herein. The system uses a combustor to increase the pressure and temperature of exhaust gases from a fuel cell stack of the system. The combustor uses hydrogen from a hydrogen supply to provide fuel to the combustor. The increased temperature/pressure of the exhaust gases post combustion are used to rotate a turbine, which in turn rotates a compressor of a turbocharger. The compressor compresses incoming air to increase the power output and/or the efficiency of the system. An ebooster can be used in low load conditions, such as during a startup or during at time in which the electrical loading on the fuel cells is relatively low.

8. 发明申请

US20220196323A1 Cryogenic Containment System 有权
公开(公告)号：US20220196323A1
公开(公告)日：2022-06-23
申请号：US17153648
申请日：2021-01-20
申请人： Caterpillar Inc.
发明人： David Montgomery , David M. Ginter
IPC分类号： F25J1/02 , F17C7/04 , F17C13/02 , F25J1/00
摘要： A cryogenic fluid containment system is disclosed. The system can store a fluid such as hydrogen at a cryogenic temperature and pressure. As the fluid naturally warms, the fluid can be directed to a portion of a liquefaction system that is configured to perform a cooling technique on the fluid. The cooling techniques may be Joule-Thomson cooling techniques. The liquefaction system may be equipped to perform both non-Joule-Thomson cooling techniques and Joule-Thomson cooling techniques. The system is configured to direct fluid to an appropriate portion of the liquefaction system, which may be based at least in part upon a Joule-Thomson coefficient of the fluid.

9. 发明授权

US11261830B2 Stoichiometric engine system utilizing three-way catalyst upstream of turbine 有权
公开(公告)号：US11261830B2
公开(公告)日：2022-03-01
申请号：US16531463
申请日：2019-08-05
申请人： Caterpillar Inc.
发明人： Ronald Silver , Jaswinder Singh , David M. Ginter , Paul Wang , Michael Bardell
IPC分类号： F02M26/35 , F02M26/05 , F01N3/10 , F02M26/23 , F02M26/46 , F02M26/15 , F02M26/00
摘要： The present disclosure relates to exhaust treatment systems and engine systems. In one implementation, an engine system comprises an engine comprising an intake manifold and an exhaust manifold, the engine configured to combust a fuel-air mixture received via the intake manifold and produce a flow of exhaust gases via the exhaust manifold. The engine system also comprises a turbocharger comprising a turbine, an exhaust passageway fluidly connecting the exhaust manifold of the engine to the turbine and an intake passageway fluidly connected to the intake manifold of the engine for supplying the fuel-air mixture, a catalyzed member positioned along the exhaust passageway between the engine and the turbine, and an exhaust gas recirculation (EGR) loop fluidly connected downstream of the catalyzed member and fluidly connected to the exhaust passageway and the intake passageway.

10. 发明授权

US11174800B2 Transient controller and method of operating gas engine 有权
公开(公告)号：US11174800B2
公开(公告)日：2021-11-16
申请号：US16580850
申请日：2019-09-24
申请人： Caterpillar Inc.
发明人： Paul Wang , Robert J. Maxson , David M. Ginter , Michael Bardell
IPC分类号： F02D19/06 , F02D41/00
摘要： A controller for an internal combustion engine of a generator set operates the engine at a first, low load condition at a lean air/fuel ratio using hydrogen fuel, and at a second, high load condition at a richer air/fuel ratio using gaseous fuel. The controller transitions from the first condition to the second condition by adding gaseous fuel to achieve the richer air/fuel ratio during a transient event.

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