公开(公告)号：US20240271586A1

公开(公告)日：2024-08-15

申请号：US18535887

申请日：2023-12-11

Applicant: Cummins Inc.

Inventor： Raghuvaran Arumugam

IPC: F02F3/22 ,  F01M1/08 ,  F01M1/16

CPC classification number: F02F3/22 ,  F01M1/08 ,  F01M1/16

Abstract: Systems and apparatuses include a lubrication system having an engine piston defining a gudgeon pin aperture, a piston pooling cavity extending radially outward from the gudgeon pin aperture, a piston cooling gallery, and a piston lubrication passage. The piston lubrication passage is in fluid communication with the piston cooling gallery and the piston pooling cavity. The piston further includes a pin journal received in the gudgeon pin aperture of the engine piston and defining a journal aperture in fluid communication with the piston pooling cavity and a journal pooling cavity in fluid communication with the journal aperture. A gudgeon pin is received within the gudgeon pin aperture adjacent the pin journal, which provides fluid communication between the journal pooling cavity and the gudgeon pin.

公开(公告)号：US20240175407A1

公开(公告)日：2024-05-30

申请号：US18499489

申请日：2023-11-01

Applicant: Cummins Inc.

Inventor： Raghuvaran Arumugam

IPC: F02F3/02

CPC classification number: F02F3/025

Abstract: A piston for assembly with a cylinder of an internal combustion engine. The piston includes a piston body having a longitudinal axis that extends from a crown to a bottom of the piston body. The piston body defines a pin opening having a piston pin axis for receipt of a piston pin. A piston skirt is assembled with and exterior to the piston body. The piston skirt includes a first skirt pocket and a second skirt pocket, wherein the first and second skirt pockets are positioned above the piston pin axis. The piston skirt includes a lower skirt positioned below the piston pin axis. Outer surfaces of the first and second skirt pockets are recessed laterally relative to an outer lower skirt surface of the lower skirt. The outer lower skirt surface of the lower skirt is longitudinally aligned with an outer surface of an upper land.

公开(公告)号：US20240084769A1

公开(公告)日：2024-03-14

申请号：US18513499

申请日：2023-11-17

Applicant: CUMMINS INC.

Inventor： Kieran J. Richards ,  Brandon Glover ,  Vincent Denoyelle ,  Jacques L. Vincent ,  Raghuvaran Arumugam ,  Satya Dinakar Vyseetty ,  Joseph A. Worthington ,  Abhishek Mehrotra ,  Deepak Pillai ,  Todd S. Manley

IPC: F02M55/02 ,  F02M63/02

CPC classification number: F02M55/025 ,  F02M63/0225 ,  F02M63/0285

Abstract: A connector block that directs fuel from an outer fuel line to an inner fuel line. The connector block includes an inlet that couples to the outer fuel line, an outlet that coupled to the inner fuel line, and a fuel accumulator fluidly coupled to the inlet and the outlet. The fuel accumulator directs the fuel from the inlet to the outlet.

公开(公告)号：US20220268246A1

公开(公告)日：2022-08-25

申请号：US17630990

申请日：2020-07-29

Applicant: CUMMINS INC.

Inventor： Kieran J. Richards ,  Brandon Glover ,  Vincent Denoyelle ,  Jacques L. Vincent ,  Raghuvaran Arumugam ,  Satya Dinakar Vyseetty ,  Joseph A. Worthington ,  Abhishek Mehrotra ,  Deepak Pillai ,  Todd S. Manley

IPC: F02M55/02

Abstract: A modular system for injecting fuel into an engine comprises a fuel rail coupled to the engine. A plurality of connection members are coupled to the fuel rail, and each of the plurality of connection members is configured to receive fuel from the fuel rail. The fuel is directed to a plurality of fuel injectors, and the plurality of fuel injectors are configured to direct fuel to a plurality of cylinders. A plurality of outer fuel lines are coupled to the plurality of connection members, and the plurality of outer fuel lines are arranged in a single configuration. The single configuration allows the fuel rail to be coupled to a plurality of engine configurations while maintaining the plurality of outer fuel lines arranged in the single configuration.

公开(公告)号：US12258922B2

公开(公告)日：2025-03-25

申请号：US18499489

申请日：2023-11-01

Applicant: Cummins Inc.

Inventor： Raghuvaran Arumugam

IPC: F02F3/02

Abstract: A piston for assembly with a cylinder of an internal combustion engine. The piston includes a piston body having a longitudinal axis that extends from a crown to a bottom of the piston body. The piston body defines a pin opening having a piston pin axis for receipt of a piston pin. A piston skirt is assembled with and exterior to the piston body. The piston skirt includes a first skirt pocket and a second skirt pocket, wherein the first and second skirt pockets are positioned above the piston pin axis. The piston skirt includes a lower skirt positioned below the piston pin axis. Outer surfaces of the first and second skirt pockets are recessed laterally relative to an outer lower skirt surface of the lower skirt. The outer lower skirt surface of the lower skirt is longitudinally aligned with an outer surface of an upper land.

公开(公告)号：US12168966B2

公开(公告)日：2024-12-17

申请号：US18513499

申请日：2023-11-17

Applicant: CUMMINS INC.

Inventor： Kieran J. Richards ,  Brandon Glover ,  Vincent Denoyelle ,  Jacques L. Vincent ,  Raghuvaran Arumugam ,  Satya Dinakar Vyseetty ,  Joseph A. Worthington ,  Abhishek Mehrotra ,  Deepak Pillai ,  Todd S. Manley

IPC: F02M63/02 ,  F02M55/00 ,  F02M55/02

Abstract: A connector block that directs fuel from an outer fuel line to an inner fuel line. The connector block includes an inlet that couples to the outer fuel line, an outlet that coupled to the inner fuel line, and a fuel accumulator fluidly coupled to the inlet and the outlet. The fuel accumulator directs the fuel from the inlet to the outlet.

公开(公告)号：US11821397B2

公开(公告)日：2023-11-21

申请号：US17630990

申请日：2020-07-29

Applicant: CUMMINS INC.

Inventor： Kieran J. Richards ,  Brandon Glover ,  Vincent Denoyelle ,  Jacques L Vincent ,  Raghuvaran Arumugam ,  Satya Dinakar Vyseetty ,  Joseph A. Worthington ,  Abhishek Mehrotra ,  Deepak Pillai ,  Todd S. Manley

IPC: F02M55/02 ,  F02M63/02

CPC classification number: F02M55/025 ,  F02M63/0225 ,  F02M63/0285

Abstract: A modular system for injecting fuel into an engine comprises a fuel rail coupled to the engine. A plurality of connection members are coupled to the fuel rail, and each of the plurality of connection members is configured to receive fuel from the fuel rail. The fuel is directed to a plurality of fuel injectors, and the plurality of fuel injectors are configured to direct fuel to a plurality of cylinders. A plurality of outer fuel lines are coupled to the plurality of connection members, and the plurality of outer fuel lines are arranged in a single configuration. The single configuration allows the fuel rail to be coupled to a plurality of engine configurations while maintaining the plurality of outer fuel lines arranged in the single configuration.