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公开(公告)号：US12215611B1
公开(公告)日：2025-02-04
申请号：US18610672
申请日：2024-03-20
Applicant: Caterpillar Inc.
Inventor： Quinton Burcar , Michael D. Roley , Paul K. Stark , Ram P. Anjaneyulu
Abstract: A spacer for a valvetrain in an engine system includes a spacer body defining a spacer axis extending between a first axial spacer body end and a second axial spacer body end, and including an outer peripheral surface, a circumferentially extending inner peripheral surface forming a through-bore, an oil spray port extending from the inner peripheral surface to the outer peripheral surface, and a circumferentially extending fluid groove formed in the inner peripheral surface and extending to the oil spray port. Related valvetrain and rocker arm assembly apparatus is also disclosed.
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公开(公告)号：US11473488B2
公开(公告)日：2022-10-18
申请号：US17122444
申请日：2020-12-15
Applicant: Caterpillar Inc.
Inventor： Quinton Burcar
Abstract: A method of coupling a fan to an engine includes selecting a base portion of a fan adapter, which includes a mounting portion and a coupling portion with a mating portion. The mounting portion is configured to be coupled to a fan drive or a fan drive pulley of the engine via one or more mounting elements. The method also includes selecting a fan end portion of the fan adapter. The fan end portion includes a mounting portion and a coupling portion. The mounting portion of the fan end portion is configured to be coupled to the fan, and the coupling portion of the fan end portion includes a mating portion that is complementary to the mating portion of the base portion. The method further includes coupling the engine to the fan by coupling the mating portion of the fan end portion to the mating portion of the base portion.
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公开(公告)号：US11274641B1
公开(公告)日：2022-03-15
申请号：US17248667
申请日：2021-02-02
Applicant: Caterpillar Inc.
Inventor： Jeffery Fischer , Neil Edward Johnston , Brenton William Bush , Ye Tian , Quinton Burcar
Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.
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公开(公告)号：US11767949B2
公开(公告)日：2023-09-26
申请号：US17199159
申请日：2021-03-11
Applicant: Caterpillar Inc.
Inventor： Todd M. Blindt , Quinton Burcar
CPC classification number: F16N37/003 , F16C33/6622 , F16C43/04
Abstract: A grease packing tool includes a support member and an alignment member. The support member includes a radially outward section, a radially inward section, and an annular passage. The radially outward section has an inner surface that includes an annular seat for receiving a cage of a bearing assembly. The radially inward section has an outer surface that includes an annular ledge for supporting an inner ring of the bearing assembly. The annular passage is arranged between the radially outward section and the radially inward section and is configured to deliver grease between rolling elements of the bearing assembly. The alignment member includes a projection that has an exterior surface for contacting the inner ring of the bearing assembly to ensure that the cage of the bearing assembly and the inner ring of the bearing assembly are respectively seated in the annular seat and the annular ledge.
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Patent Agency Ranking
公开(公告)号：US11703020B2
公开(公告)日：2023-07-18
申请号：US17650039
申请日：2022-02-04
Applicant: Caterpillar Inc.
Inventor： Jeffery Fischer , Neil Edward Johnston , Brenton William Bush , Ye Tian , Quinton Burcar
CPC classification number: F02M37/16 , F02M37/0023 , F02M37/44 , F04B9/14
Abstract: A priming pump may include a housing; an inlet passageway inside of the housing; an outlet passageway inside of the housing; a divider, inside of the housing, separating the inlet passageway and the outlet passageway; a connecting passageway through the divider in fluid communication with the inlet passageway and the outlet passageway; a valve, disposed in the connecting passageway, configured for one-way fluid flow from the inlet passageway to the outlet passageway; a rotary pump, inside of the housing, having an inlet in fluid communication with the inlet passageway and an outlet in fluid communication with the outlet passageway; and a shaft connected to the rotary pump and extending through the housing, the shaft configured for rotation by an external driving mechanism.
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公开(公告)号：US12234781B1
公开(公告)日：2025-02-25
申请号：US18633622
申请日：2024-04-12
Applicant: Caterpillar Inc.
Inventor： Matthew Wolk , Michael D. Roley , John R. McDonald , Ry C. Colwell , Quinton Burcar
Abstract: Operating an engine includes opening and closing exhaust valves in an engine braking timing pattern, charging a first cylinder with air fed directly from an intake manifold, and releasing the directly fed air in a first braking event. Operating the engine further includes charging the first cylinder with air fed via a flow-through path through a second cylinder operating as an air conduit, and releasing the air fed through the flow-through path and pressurized to brake the engine in a second braking event. Related apparatus and valve lift profiles are also disclosed.
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公开(公告)号：US12209518B1
公开(公告)日：2025-01-28
申请号：US18610631
申请日：2024-03-20
Applicant: Caterpillar Inc.
Inventor： Quinton Burcar , Jeffrey C. Krieger , Paul K. Stark
Abstract: A spacer for a valvetrain in an engine system includes a spacer body defining a spacer axis and including a through-bore extending from a first axial end to a second axial end, an outer arcuate surface, and an inner arcuate surface having an oil feed inlet. The spacer further includes an orientation element extending from the spacer body and defining an orientation axis transverse to the spacer axis, and including an inner orientation surface and an outer orientation surface. The spacer further includes an oil application structure defining a structure axis oriented transverse to both the spacer axis and the orientation axis, and including a plurality of oil spray channels, each respective one of the plurality of oil spray channels including an oil outlet at a termination point and being fluidly connected to the oil feed inlet.
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公开(公告)号：US11614007B1
公开(公告)日：2023-03-28
申请号：US17673392
申请日：2022-02-16
Applicant: Caterpillar Inc.
Inventor： Quinton Burcar , Mike Dean Roley , Kevin Lloyd Dea
Abstract: An engine valve actuation system includes engine braking rocker arms each having a hydraulically actuated switch, and an electrohydraulic control system including an actuation fluid supply, an electrically actuated valve adjustable to vary a pressure of actuation fluid supplied from the actuation fluid supply to the hydraulically actuated switches, and an engine braking control unit. The engine braking control unit is structured to command adjusting the electrically actuated valve to adjust the hydraulically actuated switch in each of the engine braking rocker arms at a switching window timing that is varied from engine braking cycle to engine braking cycle to distribute hard handoffs among the engine braking rocker arms.
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公开(公告)号：US11377998B1
公开(公告)日：2022-07-05
申请号：US17122411
申请日：2020-12-15
Applicant: Caterpillar Inc.
Inventor： Quinton Burcar
Abstract: A fan adapter includes a base and a fan end portion. The base includes a mounting portion and a coupling portion, and the base is configured to be coupled to a portion of an engine. The fan end portion includes a mounting portion and a coupling portion. The coupling portion of the fan end portion is configured to be coupled to the coupling portion of the base, and the fan end portion is removably couplable to the base via one or more coupling elements to prevent relative rotation between the base and the fan end portion.
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