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公开(公告)号：US09695721B2
公开(公告)日：2017-07-04
申请号：US14721222
申请日：2015-05-26
Applicant: Caterpillar Inc.
Inventor： Ronald Maloney , Craig Hittle , Christopher Reed , Anwarul Karim , Daniel Barb
CPC classification number: F01N3/046 , F01N13/1827 , F01N13/1855 , Y02T10/20
Abstract: A modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Exhaust manifold segments include a water jacket tube defining a liquid coolant passage around each of the plurality of exhaust manifold segments. The internal combustion engine also includes a coupling assembly for joining adjacent exhaust manifold segments. The coupling assembly includes a plurality of annular sealing devices configured to fit within a first set of grooves formed on an end portion of a first exhaust manifold segment. The coupling assembly also includes a spacing collar configured to attach to the end portion of the first exhaust manifold segment and couple with a fixed radial flange formed on an adjacent end portion of a second exhaust manifold segment to join the first exhaust manifold segment and the second exhaust manifold segment.
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公开(公告)号：US10927715B2
公开(公告)日：2021-02-23
申请号：US16036352
申请日：2018-07-16
Applicant: Caterpillar Inc.
Inventor： Craig Hittle
Abstract: An internal combustion engine includes a valvetrain having a pivot stand assembly that includes rocker arm assemblies and a compound pivot stand including a cap that integrates camshaft journaling and rocker arm support. The cap includes an elongate cap body structured to bolt to a base to form a camshaft journal bore, and each of a first and a second shaft bore for receiving rocker arm pivot shafts to position the rocker arms at different pivot locations. The rocker arms may be structured to actuate gas exchange valves arranged in a diamond pattern.
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公开(公告)号：US20160348564A1
公开(公告)日：2016-12-01
申请号：US14721222
申请日：2015-05-26
Applicant: Caterpillar Inc.
Inventor： Ronald Maloney , Craig Hittle , Christopher Reed , Anwarul Karim , Daniel Barb
IPC: F01N13/10
CPC classification number: F01N3/046 , F01N13/1827 , F01N13/1855 , Y02T10/20
Abstract: A modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Exhaust manifold segments include a water jacket tube defining a liquid coolant passage around each of the plurality of exhaust manifold segments. The internal combustion engine also includes a coupling assembly for joining adjacent exhaust manifold segments. The coupling assembly includes a plurality of annular sealing devices configured to fit within a first set of grooves formed on an end portion of a first exhaust manifold segment. The coupling assembly also includes a spacing collar configured to attach to the end portion of the first exhaust manifold segment and couple with a fixed radial flange formed on an adjacent end portion of a second exhaust manifold segment to join the first exhaust manifold segment and the second exhaust manifold segment.
Abstract translation: 模块化排气歧管包括沿公共轴线联接在一起的多个排气歧管段。 排气歧管段包括围绕多个排气歧管段中的每一个限定液体冷却剂通道的水套管。 内燃机还包括用于连接相邻的排气歧管段的联接组件。 联接组件包括多个环形密封装置，其被配置成装配在形成在第一排气歧管段的端部上的第一组槽内。 联接组件还包括间隔套环，其被配置为附接到第一排气歧管段的端部并且与形成在第二排气歧管段的相邻端部上的固定径向凸缘联接以连接第一排气歧管段和第二排气歧管段 排气歧管段。
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公开(公告)号：US20200018194A1
公开(公告)日：2020-01-16
申请号：US16036352
申请日：2018-07-16
Applicant: Caterpillar Inc.
Inventor： Craig Hittle
Abstract: An internal combustion engine includes a valvetrain having a pivot stand assembly that includes rocker arm assemblies and a compound pivot stand including a cap that integrates camshaft journaling and rocker arm support. The cap includes an elongate cap body structured to bolt to a base to form a camshaft journal bore, and each of a first and a second shaft bore for receiving rocker arm pivot shafts to position the rocker arms at different pivot locations. The rocker arms may be structured to actuate gas exchange valves arranged in a diamond pattern.
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