公开(公告)号：US20190112995A1

公开(公告)日：2019-04-18

申请号：US16088860

申请日：2017-03-30

Applicant: GUANGZHOU AUTOMOBILE GROUP CO., LTD.

Inventor： Yu He ,  Xuetong Lian ,  Sicong Lin ,  Jujiang Liu

IPC: F02D41/18

Abstract: A method for calculating Atkinson cycle intake flowrate of an internal combustion engine includes determining an intake stopping point and an engine crank angle corresponding to a piston position of the internal combustion engine at the intake stopping point; calculating mass and partial pressure of an exhaust gas and a fresh gas within a cylinder from the engine crank angle; obtaining a mass ratio of a quantity of gas pushed out of the cylinder by a piston to a total quantity of gas within the cylinder at the intake stopping point during a period of time starting from the intake stopping point until intake valve closure; and calculating intake flowrate of the fresh gas within the cylinder at the intake valve closure from the mass ratio obtained. Also disclosed is a system for calculating Atkinson cycle intake flowrate of an internal combustion engine.

公开(公告)号：US20220316413A1

公开(公告)日：2022-10-06

申请号：US17824024

申请日：2022-05-25

Applicant: GUANGZHOU AUTOMOBILE GROUP CO., LTD.

Inventor： Sicong Lin ,  Bo Qin ,  Hao Feng ,  Yang Liu

IPC: F02D41/04

Abstract: A method of controlling fuel injection to an internal combustion engine to reduce cylinder wall wetting, smokiness, and unclean combustion, on a cumulative basis, applies a self-adaptive control on a gasoline injection initial angle. Gasoline injection initial or original angle is known, being preset, and a self-adaptive controlling volume is added. The self-adaptive controlling volume is the addition of a first self-adaptive controlling volume and a second self-adaptive controlling volume to the original angle. The first self-adaptive controlling volume relates to predicted load and an engine coolant temperature. The second self-adaptive controlling volume is based on the rotating speed of the engine. Cylinder wall wetting is reduced or avoided, smoke is reduced, and cleaner combustion is achieved. An engine fuel injection control apparatus applying the method is also provided.

公开(公告)号：US10648418B2

公开(公告)日：2020-05-12

申请号：US16088860

申请日：2017-03-30

Applicant: GUANGZHOU AUTOMOBILE GROUP CO., LTD.

Inventor： Yu He ,  Xuetong Lian ,  Sicong Lin ,  Jujiang Liu

IPC: F02D35/02 ,  F02D41/18 ,  F02D13/02 ,  F02D41/00

Abstract: A method for calculating Atkinson cycle intake flowrate of an internal combustion engine includes determining an intake stopping point and an engine crank angle corresponding to a piston position of the internal combustion engine at the intake stopping point; calculating mass and partial pressure of an exhaust gas and a fresh gas within a cylinder from the engine crank angle; obtaining a mass ratio of a quantity of gas pushed out of the cylinder by a piston to a total quantity of gas within the cylinder at the intake stopping point during a period of time starting from the intake stopping point until intake valve closure; and calculating intake flowrate of the fresh gas within the cylinder at the intake valve closure from the mass ratio obtained. Also disclosed is a system for calculating Atkinson cycle intake flowrate of an internal combustion engine.

公开(公告)号：US10392976B2

公开(公告)日：2019-08-27

申请号：US15752561

申请日：2016-10-14

Applicant: Guangzhou Automobile Group Co., Ltd.

Inventor： Sicong Lin ,  Yuhuai Li ,  Jujiang Liu ,  Hainian Lian

IPC: F01L1/34 ,  F01L1/22 ,  F01L1/047 ,  F01L1/18 ,  F01L1/46 ,  F01L13/00 ,  F01L1/053 ,  F01L1/24 ,  F01L1/26

Abstract: A continuously variable valve lift system includes a driving swing arm, an adjusting member, an adjusting swing arm and a camshaft. The driving swing arm is provided with a first connecting part, the adjusting member is provided with a second connecting part, and the adjusting swing arm is provided with a third connecting part, wherein two sides of the second connecting part abut against the first connecting part and the third connecting part, respectively, the second connecting part abuts against the third connecting part to form a spiral surface therebetween, and the adjusting member is further capable of sliding along an axial direction of the middle shaft, and the camshaft contacts with the adjusting swing arm.

公开(公告)号：US12085047B2

公开(公告)日：2024-09-10

申请号：US18000227

申请日：2022-08-01

Applicant: GUANGZHOU AUTOMOBILE GROUP CO., LTD.

Inventor： Sicong Lin ,  Wenfeng Zhan ,  Yuhuai Li ,  Bo Li ,  Hao Feng

IPC: F02M35/10 ,  F02B29/04 ,  F02M35/104

CPC classification number: F02M35/10157 ,  F02B29/0437 ,  F02M35/10255 ,  F02M35/104

Abstract: An air intake device includes a supercharger, a connection tube, an intercooler, and an intake manifold. The supercharger is connected to an exhaust port of a cylinder. The intercooler is connected to the supercharger through the connection tube. The intake manifold is connected to the intercooler and an intake port of the cylinder. The intercooler is located above a cylinder head of an engine. The device of the present disclosure features less height space occupation, a short connection tubeline between elements and a compact structure, which is beneficial for an increase of the pressurization response speed and reduction in the cost.

公开(公告)号：US11821380B2

公开(公告)日：2023-11-21

申请号：US17824024

申请日：2022-05-25

Applicant: GUANGZHOU AUTOMOBILE GROUP CO., LTD.

Inventor： Sicong Lin ,  Bo Qin ,  Hao Feng ,  Yang Liu

IPC: F02D41/30 ,  F02D41/04

CPC classification number: F02D41/047 ,  F02D2200/0414 ,  F02D2200/0618 ,  F02D2200/101 ,  F02D2200/1002

Abstract: A method of controlling fuel injection to an internal combustion engine to reduce cylinder wall wetting, smokiness, and unclean combustion, on a cumulative basis, applies a self-adaptive control on a gasoline injection initial angle. Gasoline injection initial or original angle is known, being preset, and a self-adaptive controlling volume is added. The self-adaptive controlling volume is the addition of a first self-adaptive controlling volume and a second self-adaptive controlling volume to the original angle. The first self-adaptive controlling volume relates to predicted load and an engine coolant temperature. The second self-adaptive controlling volume is based on the rotating speed of the engine. Cylinder wall wetting is reduced or avoided, smoke is reduced, and cleaner combustion is achieved. An engine fuel injection control apparatus applying the method is also provided.