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公开(公告)号：US11518455B2
公开(公告)日：2022-12-06
申请号：US16539467
申请日：2019-08-13
申请人： Caterpillar Inc.
发明人： Zachary T. Donlan , Roger L. Recker
IPC分类号： B62D55/15 , B62D55/088 , B62D55/092 , B62D55/10 , B62D55/06
摘要： A rotating member attachment assembly includes a shaft including a cylindrical configuration defining a cylindrical axis, a first axial end and a second axial end along the cylindrical axis; a first coupler defining a first hole that defines a first hole axis and that is configured to receive the shaft, the first coupler further including a first inner axial end, and a first outer axial end; a first shaft bushing disposed on the shaft at the first axial end; and a first coupler bushing disposed in the first hole of the first coupler.
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公开(公告)号：US11479950B2
公开(公告)日：2022-10-25
申请号：US16295180
申请日：2019-03-07
申请人： Caterpillar Inc.
发明人： Eric T. Sinn , Douglas C. Serrurier , Rammagy Yoeu
摘要： A load sharing block includes a body including a flat outer surface defining a first end and a second end, a first arcuate outer portion extending from the first end of the flat outer surface, and a second arcuate outer portion extending from the second end of the flat outer surface. The first arcuate outer portion terminates at a first free end and includes a first elliptical outer surface extending from the first free end.
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公开(公告)号：US11473457B2
公开(公告)日：2022-10-18
申请号：US17343948
申请日：2021-06-10
申请人： Caterpillar Inc.
摘要： A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.
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公开(公告)号：US11473273B2
公开(公告)日：2022-10-18
申请号：US15952844
申请日：2018-04-13
申请人： Caterpillar Inc.
摘要： A tool bit comprises a shank portion including a cylindrical configuration defining a longitudinal axis, a radial direction, and a circumferential direction, and a working portion including a cylindrical configuration that is concentric with the shank portion and a flat bottom surface.
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公开(公告)号：US11318399B2
公开(公告)日：2022-05-03
申请号：US16799121
申请日：2020-02-24
申请人： Caterpillar Inc.
发明人： Jeffrey R. Ries , Jon T. Immel , Darrell Lee Morehouse, III , Stephen Ellis Oedewaldt , Philip Carl Spengler
摘要： A filter element includes a bottom open end joined to a center tube opposite the top open end. The bottom open end defines a radially outer surface and a radially inner surface that is in communication with the central reservoir of the filter element. A locking feature is disposed proximate to the bottom open end. The locking feature includes an entrance slot that is disposed on the radially inner surface of the center tube extending axially from the bottom open end.
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公开(公告)号：US11299002B2
公开(公告)日：2022-04-12
申请号：US16671761
申请日：2019-11-01
申请人： Caterpillar Inc.
发明人： Ross Paul Wietharn
摘要： A center link has a bolt portion contact pad extending longitudinally and transversely from the bolt portion, forming a bolt portion contact surface extending transversely, and defining a bolt portion contact surface transverse width that is less than the shaft portion transverse width. The center link also has a mushroom head portion contact pad extending longitudinally and transversely from the mushroom head portion, forming a mushroom head portion contact surface, and defining a mushroom head portion contact surface transverse width that is less than the shaft portion transverse width.
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公开(公告)号：US11149415B2
公开(公告)日：2021-10-19
申请号：US16295235
申请日：2019-03-07
申请人： Caterpillar Inc.
发明人： Eric T. Sinn , Douglas C. Serrurier , Rammagy Yoeu
摘要： An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess.
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公开(公告)号：US11125123B1
公开(公告)日：2021-09-21
申请号：US16821037
申请日：2020-03-17
申请人： Caterpillar Inc.
摘要： A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.
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公开(公告)号：US10954841B2
公开(公告)日：2021-03-23
申请号：US15725458
申请日：2017-10-05
申请人： Caterpillar Inc.
摘要： A canister assembly for use in an exhaust gas aftertreatment device comprises a cylindrical shell defining a cylindrical axis, a radial direction, and a circumferential direction, a top end and a bottom end. A flow tube is inserted into the top end of the cylindrical shell and terminates short of the bottom end of the cylindrical shell, defining an exit of the flow tube. A mixing bowl member including a symmetrical annular shape about the cylindrical axis and defining a mixing bowl pocket is attached at the bottom end of the cylindrical shell.
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公开(公告)号：US10800019B2
公开(公告)日：2020-10-13
申请号：US15943974
申请日：2018-04-03
申请人： Caterpillar Inc.
发明人： Gustavo Acosta , David Jennings Hakes , Benoit Abello , Benjamin Isaac Jones , Jason Randall Beckerdite
摘要： A track chain member comprising a shoe member defining a track chain traveling direction and a lateral direction, the shoe member further defining a first lateral end, a second lateral end, and a ground engaging surface spanning from the one end to the other end; wherein the shoe member further defines a first side void proximate the first lateral end, a second side void proximate the second lateral end, and the first side void terminates a first predetermined distance from the first lateral end and the second side void terminates a second predetermined distance from the second lateral end.
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