公开(公告)号：US11791502B2

公开(公告)日：2023-10-17

申请号：US17381928

申请日：2021-07-21

Applicant: Cummins Inc.

Inventor： Lawrence Hilligoss ,  Daniel Riegels ,  Matthew D. Nelson ,  Tyler A. Rash ,  Rick Lewis

IPC: H01M10/42 ,  H01M10/647 ,  G01R31/382 ,  H01M50/502 ,  H01M50/209 ,  H01M10/48 ,  H02J7/00

CPC classification number: H01M10/425 ,  G01R31/382 ,  H01M10/482 ,  H01M10/486 ,  H01M10/647 ,  H01M50/209 ,  H01M50/502 ,  H02J7/0029 ,  H01M2010/4271 ,  H01M2200/106

Abstract: A battery module for use in a battery pack is disclosed. The battery module (12, 12′) comprises a plurality of battery cells (24, 25) and a sensing circuit (62) extending across the battery cells. A monitoring unit (46) is connected to the sensing circuit. The monitoring unit comprises a continuity detector (66) arranged to detect a break in continuity of the sensing circuit (62). This can allow a thermal event occurring in one of the plurality of cells to be detected.

公开(公告)号：US20230313728A1

公开(公告)日：2023-10-05

申请号：US18130307

申请日：2023-04-03

Applicant: CUMMINS INC.

Inventor： Nicholas James Welch

IPC: F01P3/20 ,  F28F9/24

CPC classification number: F01P3/20 ,  F28F9/24 ,  F01P2003/006

Abstract: A cooling system of an internal combustion engine system includes an engine cooling circuit for defining a flow path and direction for engine coolant fluid flowing through the internal combustion engine system. The cooling system also includes a heat exchanger assembly positioned along the engine cooling circuit. The heat exchanger assembly is structured to transfer heat from the engine coolant fluid to a working fluid and includes a shell defining an inner cavity, a core disposed within the inner cavity and structured to receive the working fluid, and a main flow path and a bypass flow path of the engine coolant fluid, the core comprising a baffle in the bypass flow path, the baffle including: a base portion coupled to an end of the core and a curved portion extending from the base portion such that the curved portion impedes a bypass flow of engine coolant fluid from continuing along the bypass flow path.

公开(公告)号：US20230311846A1

公开(公告)日：2023-10-05

申请号：US18022879

申请日：2021-07-20

Applicant: Cummins Inc.

Inventor： Xing Jin ,  David Schmidt ,  Lu Qiu ,  Lisa A. Orth-Farrell ,  Ying Yuan ,  Jinyong Luo ,  Manik Narula

IPC: B60W20/16 ,  B60W10/06 ,  B60W10/08

CPC classification number: B60W20/16 ,  B60W10/06 ,  B60W10/08 ,  B60W2510/0666 ,  B60W2510/068 ,  B60W2510/085 ,  B60W2540/10

Abstract: Systems and methods for controlling a hybrid system. For example, a computer-implemented method includes determining a system temperature zone of the aftertreatment system as being in: a first temperature zone below a first temperature threshold, a second temperature zone from the first temperature threshold to a second temperature threshold, or a third temperature zone above the second temperature threshold; determining a power demand corresponding to the operation of the hybrid system as being in: a first power demand zone if the power demand is below a power threshold, or a second power demand zone if the power demand is equal to or greater than the power threshold; and determining a control strategy based at least in part on the determined system temperature zone and the determined power demand.

公开(公告)号：US11777437B2

公开(公告)日：2023-10-03

申请号：US17623745

申请日：2020-07-20

Applicant: Cummins Inc.

Inventor： Akm Arafat ,  Dakshina S. Murthy-Bellur

IPC: H02P29/024 ,  G01R31/34 ,  H02P25/22

CPC classification number: H02P29/0243 ,  G01R31/343 ,  H02P25/22

Abstract: A method of operating a multi-phase electric machine includes operating a six-phase machine with six phases that are configured into a first group having a first neutral connection and a second group having a second neutral connection. The method also includes determining whether at least one of the six phases is experiencing a fault. In response to the determining, the method includes combining the first and second neutral connections to form a common neutral connection to continue operating the six-phase machine by using the remaining phase not experiencing the fault.

公开(公告)号：US11773749B2

公开(公告)日：2023-10-03

申请号：US17672350

申请日：2022-02-15

Applicant: Cummins Inc.

Inventor： Nikhil Doiphode ,  Todd M. Wieland

IPC: F01D25/24 ,  F01D17/16 ,  F01D25/00

CPC classification number: F01D25/24 ,  F01D17/165 ,  F01D25/005 ,  F05D2220/40 ,  F05D2230/232 ,  F05D2230/237 ,  F05D2230/80

Abstract: A method and system are provided for repairing a nozzle ring having a defect adjacent a transition between a ring plate and an inner skirt of the nozzle ring, comprising: forming at least one cut to detach at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate, thereby forming a joint surface and removing at least a portion of the defect; providing a replacement ring including replacement components for the detached at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate; and attaching the replacement ring to the nozzle ring at the joint surface using one of brazing or welding.

公开(公告)号：US20230304482A1

公开(公告)日：2023-09-28

申请号：US18326230

申请日：2023-05-31

Applicant: Cummins Inc.

Inventor： Donald J. Benson ,  Karthik Sethuraman ,  Michael A. Lucas ,  Eric A. Benham ,  Richard E. Duncan

IPC: F04B7/00 ,  F04B53/10 ,  F02M59/46

CPC classification number: F04B7/0076 ,  F04B53/1022 ,  F04B53/1035 ,  F02M59/466

Abstract: A pump inlet valve includes a valve body and a plunger assembly. The valve body includes a valve body cavity. The plunger assembly is arranged within the valve body cavity and includes a plunger body, a plunger barrel formed at the plunger body so as to form a plunger barrel volume, and a plunger. The plunger is configured to move within the plunger barrel to thereby allow a fluid to flow past the plunger assembly when the plunger is in an open position and to inhibit the fluid from flowing past the plunger assembly when the plunger is in a closed position. The plunger is configured to allow continuous fluid communication between the plunger barrel volume and a supply inlet, through which fluid is supplied to the pump inlet valve.

公开(公告)号：US20230302922A1

公开(公告)日：2023-09-28

申请号：US18189851

申请日：2023-03-24

Applicant: CUMMINS INC. ,  HYDROGENICS CORPORATION

Inventor： Agneya TURLAPATI ,  Akshat Abhay RAUT ,  Arka Saha RAY ,  Anant PURI ,  David P. GENTER ,  Aaron William BEINBORN ,  Joseph P. CHANDRARAJ ,  Sumit TRIPATHI ,  Heonjoong LEE

IPC: B60L50/75 ,  G01R31/382 ,  G01R31/392 ,  H01M8/04858 ,  H01M8/04537

CPC classification number: B60L50/75 ,  G01R31/382 ,  G01R31/392 ,  H01M8/0491 ,  H01M8/04656 ,  H01M2250/20

Abstract: A system for a fuel cell vehicle including a plurality of fuel cell modules, a plurality of battery packs, and a controller. At least one of the plurality of fuel cell modules having a state of health (SOH) different from a corresponding SOH of other fuel cell modules. Each battery pack including a plurality of battery cells. At least one of the plurality of battery packs having a SOH different from a corresponding SOH of other battery packs. The controller is communicatively coupled to monitor and control operation of the plurality of fuel cell modules and the plurality of battery packs. The controller is configured to receive a power demand and determine a power split between the plurality of fuel cell modules and the plurality of battery packs based on an operating phase of the vehicle.

公开(公告)号：US11767797B2

公开(公告)日：2023-09-26

申请号：US17830055

申请日：2022-06-01

Applicant: Cummins Inc.

Inventor： Anant Puri ,  J. Steven Kolhouse ,  Apurva A. Chunodkar

IPC: F02D17/02 ,  B60K6/24 ,  B60K6/26 ,  F02D41/14 ,  F02D41/24

CPC classification number: F02D17/02 ,  B60K6/24 ,  B60K6/26 ,  F02D41/1498 ,  F02D41/2406 ,  B60Y2200/92 ,  B60Y2300/435 ,  F02D2200/0802

Abstract: At least some embodiments of the present disclosure are directed to systems and methods for controlling a cylinder deactivation (CDA) operation for an electrified powertrain, the electrified powertrain comprising an engine and an additional power source, the engine having a plurality of cylinders. The method includes the step of operating the electrified powertrain in a CDA mode and deactivating one or more selected cylinders of the plurality of cylinders; receiving measurement data indicative of operating conditions of the electrified powertrain; analyzing the measurement data to determine whether a predetermined operating condition is met; and adjusting the CDA operation by adjusting the duration of the CDA operation or changing a number of deactivated cylinders.

公开(公告)号：US20230287873A1

公开(公告)日：2023-09-14

申请号：US18318830

申请日：2023-05-17

Applicant: Cummins Inc.

Inventor： Donald J. Benson ,  Eric A. Benham ,  Ahmad M. Sabri ,  Samuel David Griffith Magnuson

IPC: F04B9/04 ,  F04B1/0417 ,  F02M59/10

CPC classification number: F04B9/042 ,  F02M59/102 ,  F04B1/0417

Abstract: A pumping assembly includes at least one removable unit barrel pumping assembly coupled to a housing of the pumping assembly. The pumping assembly further includes a drive member having a roller configured to engage a portion of the unit barrel pumping assembly during operation of the pumping assembly. The roller is configured to include a plurality of geometric shapes to distribute load forces during operation of the pumping assembly.

公开(公告)号：US20230286489A1

公开(公告)日：2023-09-14

申请号：US18014403

申请日：2021-05-27

Applicant: Cummins Inc.

Inventor： Bijesh M. Shakya ,  Kesavan Ramakrishnan

IPC: B60W10/06 ,  B60W10/26 ,  F02D29/02 ,  F02D41/02 ,  F02D41/06 ,  F01N11/00

CPC classification number: B60W10/06 ,  B60W10/26 ,  F02D29/02 ,  F02D41/0255 ,  F02D41/062 ,  F01N11/002 ,  B60W2510/244 ,  B60W2510/246 ,  B60W2710/0677 ,  F02D2200/0802 ,  F01N2590/11 ,  F01N2900/08 ,  F01N2900/104 ,  F01N2900/1602 ,  F01N2900/1626

Abstract: Emissions management systems for engines in hybrid systems include a sensor assembly and a controller. Sensor assembly is configured to provide an activation signal in response to an engine start event and to detect emissions information, including information indicative of an engine power, a driver demanded power, a catalyst temperature, a battery state of charge, and a battery temperature. Controller communicates with sensor assembly and is configured to: receive activation signal and, in response, emissions information from sensor assembly; determine an emissions reduction mode having a threshold value for catalyst temperature and having an engine power corresponding thereto; monitor emissions information; compare catalyst temperature to threshold value; cause the engine to operate in emissions reduction mode while catalyst temperature is less than threshold value; and allow the engine to operate in a normal operation mode while catalyst temperature is greater than or equal to the threshold value.