公开(公告)号：US12092049B1

公开(公告)日：2024-09-17

申请号：US18459509

申请日：2023-09-01

Applicant: FCA US LLC

Inventor： Boopathi Singalandapuram Mahadevan ,  Joshua Macchiavello ,  Kevin C Ohlrogge ,  Simon Omekanda ,  Jason E Wielenga

IPC: F02D41/12 ,  F02D41/02 ,  F02D41/14

CPC classification number: F02D41/126 ,  F02D41/0295 ,  F02D41/1441 ,  F02D2200/0814 ,  F02D2200/1002 ,  F02D2200/101 ,  F02D2250/36

Abstract: A control system for an engine of a vehicle includes one or more oxygen (O2) sensors disposed proximate to a three-way catalytic converter (TWC) in an exhaust system of the vehicle, the one or more O2 sensors each being configured to measure an O2 level of exhaust gas produced by the engine, and a controller in signal communication with the one or more O2 sensors. The controller is programmed to detect a fuel shut-off (FSO) event where the engine ceases providing fuel to the engine, determine an accumulated gas flow through the TWC during the FSO event, determine the FSO event has ended, and initiate a fuel enrichment event for a predetermined duration where the engine is supplied with a fuel enrichment level having a rich fuel/air ratio. The fuel enrichment level and the predetermined duration are chosen to reduce non-methane hydrocarbon (NMHC) emissions while maintaining NOx emission control.

公开(公告)号：US20240200518A1

公开(公告)日：2024-06-20

申请号：US18068644

申请日：2022-12-20

Applicant: ARAMCO SERVICES COMPANY

Inventor： Andrew Baur ,  Xin Yu ,  Alexander K. Voice

IPC: F02M26/37 ,  F02B19/16 ,  F02D41/00 ,  F02D41/12 ,  F02M26/12 ,  F02M26/15 ,  F02M26/16 ,  F02M26/35 ,  F02M26/41

CPC classification number: F02M26/37 ,  F02B19/16 ,  F02D41/005 ,  F02D41/0077 ,  F02D41/123 ,  F02M26/12 ,  F02M26/15 ,  F02M26/16 ,  F02M26/35 ,  F02M26/41

Abstract: An engine system including an engine is disclosed. The engine includes a combustion chamber having an intake port and an exhaust port, a piston movably disposed in the combustion chamber, and a prechamber adjacent to and in fluid communication with the combustion chamber. The engine system further includes an exhaust line fluidly connected to the exhaust port, a storage tank fluidly connected to the prechamber via a purge line, and a prechamber valve provided along the purge line.

公开(公告)号：US11952952B2

公开(公告)日：2024-04-09

申请号：US17785276

申请日：2020-11-26

Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA

Inventor： Akihiro Kondo ,  Ryosuke Kusumoto ,  Yuki Nakayama

IPC: F02D41/00 ,  F02D41/12 ,  F16H61/421

CPC classification number: F02D41/123 ,  F16H61/421 ,  F02D2200/501

Abstract: A HST system for use in traveling of a vehicle includes a controller that controls a pump regulator that changes a displacement of a pump and a motor regulator that changes a displacement of a motor. The controller determines whether or not a particular downhill travel condition is satisfied based on a result of detection by a vehicle speed detector that detects a vehicle speed of the vehicle and a result of detection by a rotation number detector that detects a number of rotations of an engine per unit time. In a case where a depression amount of an accelerator pedal, which is detected by a depression amount detector, is zero and the particular downhill travel condition is satisfied, the controller controls the motor regulator to increase the displacement of the motor.

公开(公告)号：US11913401B1

公开(公告)日：2024-02-27

申请号：US18309984

申请日：2023-05-01

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Chengke Liu ,  Vijay A Ramappan ,  Rafat F Hattar ,  Jeffrey M Kaiser ,  Joseph Shelton

IPC: F02D9/04 ,  F02D41/04 ,  F02D41/12 ,  F02D41/06 ,  F01N3/20

CPC classification number: F02D9/04 ,  F01N3/20 ,  F02D41/042 ,  F02D41/064 ,  F02D41/123 ,  F01N2430/10 ,  F02D2200/0802

Abstract: An engine consumes fuel and air to generate an exhaust gas stream. An exhaust system channels the exhaust gas stream from the engine to a tailpipe. An aftertreatment system is included in the exhaust system and includes a catalyst. An exhaust throttle valve is disposed in the exhaust system downstream from the aftertreatment system. An actuator controls an amount of air pumped through the engine. A controller operates the exhaust throttle valve and/or the actuator to control emissions from the exhaust system during a cold start and following a deceleration fuel cutoff event.

公开(公告)号：US11867133B2

公开(公告)日：2024-01-09

申请号：US17785276

申请日：2020-11-26

Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA

Inventor： Akihiro Kondo ,  Ryosuke Kusumoto ,  Yuki Nakayama

IPC: F02D41/00 ,  F02D41/12 ,  F16H61/421

CPC classification number: F02D41/123 ,  F16H61/421 ,  F02D2200/501

Abstract: A HST system for use in traveling of a vehicle includes a controller that controls a pump regulator that changes a displacement of a pump and a motor regulator that changes a displacement of a motor. The controller determines whether or not a particular downhill travel condition is satisfied based on a result of detection by a vehicle speed detector that detects a vehicle speed of the vehicle and a result of detection by a rotation number detector that detects a number of rotations of an engine per unit time. In a case where a depression amount of an accelerator pedal, which is detected by a depression amount detector, is zero and the particular downhill travel condition is satisfied, the controller controls the motor regulator to increase the displacement of the motor.

公开(公告)号：US11767800B2

公开(公告)日：2023-09-26

申请号：US17619626

申请日：2020-06-25

Applicant: JAGUAR LAND ROVER LIMITED

Inventor： James Hill

IPC: F02D41/00 ,  F02D13/02 ,  F02D13/06 ,  F02D41/04 ,  F02D41/12

CPC classification number: F02D41/0087 ,  F02D13/0207 ,  F02D13/06 ,  F02D41/042 ,  F02D41/123 ,  F02D2041/001 ,  F02D2041/002

Abstract: Aspects of the present invention relate to a controller for controlling operation of an internal combustion engine, a control system, an internal combustion engine, a vehicle, a method and a non-transitory computer readable medium. The controller is configured to, during fuel cut, cause opening of an intake valve of a cylinder of the internal combustion engine to enable air having a mass to enter the cylinder. The mass is below a first range of masses which enable the internal combustion engine to provide combustion torque.

公开(公告)号：US11629660B2

公开(公告)日：2023-04-18

申请号：US17713241

申请日：2022-04-05

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yuki Nose ,  Yuto Ikeda ,  Takanobu Gotoh

IPC: F02D41/12 ,  F02D41/02

Abstract: A control apparatus for an internal combustion engine performs a first acquisition process for acquiring a first index value corresponding to an integrated amount of intake air during a performance of the fuel cutoff process, and a cancellation process for cancelling the fuel cutoff process when the first index value becomes equal to or larger than a first predetermined value during the performance of the fuel cutoff process. Besides, the control apparatus performs a second acquisition process for acquiring a second index value corresponding to an elapsed time from the end of the fuel cutoff process to the subsequent start of the fuel cutoff process, and a change process for making the first predetermined value smaller when the second index value is small in starting the fuel cutoff process than when the second index value is large in starting the fuel cutoff process.

公开(公告)号：US11598279B2

公开(公告)日：2023-03-07

申请号：US16755928

申请日：2017-10-26

Applicant: NISSAN MOTOR CO., LTD.

Inventor： Tomohiro Miyagawa

IPC: F02D41/10 ,  F02D41/12 ,  G06V20/58 ,  B60W30/18 ,  B60W30/17 ,  F02N11/08

Abstract: A control method for a self-driving vehicle provided with an engine as a driving source, comprising: determining whether or not coast stop is executed in accordance with required driving force of the vehicle, the coast stop being for automatically stopping the engine during the vehicle traveling at speed not more than predetermined vehicle speed; setting the required driving force so that an intervehicular distance between the host vehicle and a preceding vehicle becomes closer to a predetermined distance under presence of the preceding vehicle in front of the host vehicle; predicting a behavior of the preceding vehicle from a situation in front of the preceding vehicle under presence of the preceding vehicle; and prohibiting release of the coast stop for the engine during an automatic stop when future deceleration of the preceding vehicle is predicted in response to an expansion of the intervehicular distance.

公开(公告)号：US11542905B1

公开(公告)日：2023-01-03

申请号：US17518035

申请日：2021-11-03

Applicant: Chuanchi Tang ,  Papeeha Thombare ,  Drushan Mayalankar ,  Shuonan Xu

Inventor： Chuanchi Tang ,  Papeeha Thombare ,  Drushan Mayalankar ,  Shuonan Xu

IPC: F02N11/08 ,  F02D41/12 ,  G08G1/052 ,  F02D41/06

Abstract: A predictive driver intention to stop (DITS) system for a vehicle having an engine includes one or more sensors configured to measure a set of operating parameters of the vehicle including at least (i) vehicle speed and (ii) vehicle deceleration rate. A controller is configured to identify no-stop braking events and complete stop braking events, and reference a generated baseline probability table indicating a probability of a driver braking to bring the vehicle to a stop, based on at least the vehicle speed and vehicle deceleration rate measured during at least one of the identified no-stop braking events and complete stop braking events. The controller is further configured to predict a DITS event based on the generated baseline probability table, and control operation of the engine based on the predicted DITS event to facilitate reducing vehicle fuel consumption and/or tailpipe emissions.

公开(公告)号：US11525414B2

公开(公告)日：2022-12-13

申请号：US17590182

申请日：2022-02-01

Applicant: FERRARI S.p.A.

Inventor： Stefano Marconi

IPC: F02D41/22 ,  F02D41/02 ,  F02D17/00 ,  F02D41/00 ,  F02D41/12

Abstract: A method to control a road vehicle during a slip of the drive wheels and having the steps of: detecting a slip of at least one drive wheel; and controlling, only during a slip of at least one drive wheel, a driving unit of the road vehicle with a signalling law so as to obtain a cyclic operating irregularity, which generates an abnormal vibration and/or an abnormal noise.