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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 18. Отображено 18.
25-08-2023 дата публикации

Control method and device of lean-burn engine and engine system

Номер: CN116641826A
Автор: LI XIAN, LIU YAODONG, MA HEYANG, LI HUA, WANG ZHANFENG, ZHAO CHUAN, HUANG PINGHUI, GONG YANFENG
Принадлежит:

The invention discloses a control method and device of a lean-burn engine and an engine system. The control method of the lean-burn engine comprises the steps that the current torque and the target torque are obtained; when the current torque is smaller than the target torque, the average effective pressure and the excess air coefficient are obtained; and when the average effective pressure is within the first pressure range and the excess air coefficient is within the first coefficient range, the ignition angle is adjusted, and the air content and the combustible matter content in the air cylinder are increased, so that the current torque is increased to the target torque. By the adoption of the technical scheme, the current torque is increased, meanwhile, large heat efficiency can be guaranteed, and the situation that in the process of increasing the air content and the combustible matter content in the air cylinder, the combustion gravity center changes, and the ignition angle is large ...

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Номер записи: 1
09-05-2023 дата публикации

Extended-range two-cylinder engine exhaust gas recirculation system

Номер: CN116085152A
Автор: ZHANG YUFAN, WANG ZHANFENG, XIAO HONGYU, LI CHUNYU, MA HEYANG, HUANG PINGHUI, LI HUA, GONG YANFENG, HAN LINGHAI
Принадлежит:

The embodiment of the invention discloses an exhaust gas recirculation system of a range-extending two-cylinder engine. The exhaust gas recirculation system comprises an air filter, an air inlet system, a first cylinder, a second cylinder and an exhaust gas recirculation system body. An outlet of the air filter is connected with a first connector of the air inlet system. A second connector of the air inlet system is connected with an inlet of the first cylinder, an outlet of the first cylinder is connected with an inlet of the exhaust gas recirculation system, and a first outlet of the exhaust gas recirculation system is connected with the second connector of the air inlet system; a third connector of the air inlet system is connected with an inlet of the second cylinder, and an outlet of the second cylinder is connected with the exhaust tail pipe. According to the embodiment of the invention, the exhaust pressure of a single cylinder is higher, and a higher EGR rate is realized.

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Номер записи: 2
14-04-2023 дата публикации

Engine, control method thereof and vehicle

Номер: CN115962041A
Автор: LI XIAN, LIU YAODONG, HAN LINGHAI, LI JINCHENG, ZHAO CHUAN, WANG ZHANFENG, DUAN JIAQUAN, GONG YANFENG
Принадлежит:

The invention discloses an engine, a control method thereof and a vehicle. The engine comprises a pre-combustion chamber, the pre-combustion chamber comprises a first gas storage tank and a second gas storage tank, and gas stored in the first gas storage tank and gas stored in the second gas storage tank are different; the electromagnetic on-off valve is connected with a first opening in the side face of the pre-combustion chamber; the first end of the gas ejector is connected with the first gas storage tank through a first pipeline; the first end of the gas mixer is connected with the second end of the gas ejector, and the second end of the gas mixer is connected with the electromagnetic on-off valve; and the main combustion chamber is connected with the second opening in the side face of the pre-combustion chamber. According to the pre-combustion chamber, the technical problems that carbon is easily deposited in the pre-combustion chamber and more residual waste gas is generated in the ...

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Номер записи: 3
09-05-2023 дата публикации

Hydrogen fuel engine control method, hydrogen fuel engine system and vehicle

Номер: CN116085126A
Автор: HAN LINGHAI, MA HEYANG, QIAN DINGCHAO, WANG ZHANFENG, GUO YINGJUN, LI CHUNYU, GONG YANFENG
Принадлежит:

The invention discloses a hydrogen fuel engine control method, a hydrogen fuel engine system and a vehicle. The method comprises the following steps that torque information, air inlet information and exhaust information of the hydrogen fuel engine are obtained, the torque information at least comprises the current torque and the required torque, the air inlet information at least comprises the air inlet amount and the hydrogen injection amount, and the exhaust information at least comprises the excess air coefficient and the preset coefficient range; and based on the torque information, the air inlet information and the exhaust information, the air inlet amount and the hydrogen injection amount are adjusted, so that the torque of the hydrogen fuel engine reaches the required torque, and in the adjusting process, the excess air coefficient of the hydrogen fuel engine is always within the preset coefficient range. According to the invention, the technical problems of large excess air coefficient ...

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Номер записи: 4
11-08-2023 дата публикации

Engine exhaust system, control method of exhaust system and engine

Номер: CN116576046A
Автор: ZHANG YUFAN, LI YUTONG, LI CHUNYU, MA HEYANG, HUANG PINGHUI, LI HUA, WANG ZHANFENG, GONG YANFENG, QU HANSHI
Принадлежит:

The embodiment of the invention discloses an engine exhaust system, a control method of the exhaust system and an engine. Three air cylinders are arranged, and the first air cylinder feeds exhaust gas into an EGR gas storage tank from an EGR pipeline; the second air cylinder and the third air cylinder feed waste gas into an energy recovery gas storage tank for storage and use sequentially through an exhaust manifold and an energy recovery pipeline. Then, the EGR gas storage tank is used for feeding the recycled and stored waste gas into the first air cylinder, the second air cylinder and the third air cylinder for recycling, and the technical problem that in the prior art, in the field of special hybrid engines, external EGR needs to be added to achieve low oil consumption, and the EGR rate is low is solved; the technical effects that the EGR rate is improved, engine accessories are reduced, and the engine cost is reduced are achieved.

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Номер записи: 5
25-08-2023 дата публикации

Lean-burn hydrogen engine post-processing system, control method, engine and vehicle

Номер: CN116641776A
Автор: LIU MINGLI, LIU YAODONG, GONG YANFENG, DUAN JIAQUAN, WANG ZHENXI, HUANG PINGHUI, MA HEYANG
Принадлежит:

The invention belongs to the technical field of vehicles, and discloses a lean-burn hydrogen engine post-processing system, a control method, an engine and a vehicle, when the engine is in an equivalence ratio working condition, only a first valve is fully opened, exhausted gas skips a deaerator, and NOx emission requirements can be met through treatment of a three-way catalytic converter. When lambda is larger than 1, the detection value of the second oxygen concentration detection piece is Plt; and when Plimit is detected, the engine enters a lean-burn working condition, and the second valve is controlled to be opened, so that part of exhaust gas enters the three-way catalytic converter after being treated by the deaerator, and the emission requirement is met. When lambda is larger than 1 and P is larger than or equal to Plimit, the engine enters a regeneration working condition, the first valve is fully closed, the second valve is fully opened, exhaust gas is treated by the deaerator ...

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Номер записи: 6
05-05-2023 дата публикации

Combustion system and vehicle with same

Номер: CN116066254A
Автор: LI YING, DUAN JIAQUAN, GONG YANFENG, WANG ZHENXI, ZHANG LIANFANG
Принадлежит:

The invention provides a combustion system and a vehicle with the same. The combustion system comprises a cylinder cover, a combustion chamber and a combustion chamber, and the piston is connected with the cylinder cover through the cylinder barrel, a boss is arranged on the top plane of the piston, and a distance is formed between the boss and the cylinder barrel, so that a propagation channel for flame generated in the combustion chamber to propagate is formed. According to the technical scheme, the air cylinder cover is connected with the piston through the cylinder barrel, the boss is arranged on the top plane of the piston, the boss and the cylinder barrel are arranged in a spaced mode, and therefore the propagation channel for flame propagation generated in the combustion chamber is formed, and the situation that the distance between the boss and the cylinder barrel is too small, so that a slit is formed, and flame propagation cannot be achieved is avoided. The problem that flame ...

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Номер записи: 7
23-05-2023 дата публикации

Separated exhaust system, control method of separated exhaust system and engine

Номер: CN116146320A
Автор: XIAO HONGYU, WANG ZHANFENG, HAN LINGHAI, GONG YANFENG, LI JINCHENG
Принадлежит:

The invention provides a separated type exhaust system, a control method of the separated type exhaust system and an engine. The separated type exhaust system comprises an air inlet pipeline, an air outlet pipeline and an air outlet pipeline, the inlet end of the air cylinder is communicated with the air inlet pipeline, the outlet end of the air cylinder is provided with a pressurizing pipeline and a non-pressurizing pipeline, the outlet end of the pressurizing pipeline is communicated with the inlet end of the turbine, and the outlet end of the non-pressurizing pipeline is communicated with the three-way catalyst; and the exhaust channel communicates with the outlet end of the turbine and the outlet end of the three-way catalyst. According to the technical scheme, the pressurizing pipeline and the non-pressurizing pipeline are arranged at the outlet end of the air cylinder, waste gas of the pressurizing pipeline can be exhausted through the turbine, waste gas of the non-pressurizing pipeline ...

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Номер записи: 8
02-05-2023 дата публикации

Exhaust system of engine, control method and device and vehicle

Номер: CN116044556A
Автор: HUANG PINGHUI, HAN LINGHAI, GONG YANFENG, WANG ZHANFENG, LI WEI, LI CHUNYU, MA HEYANG
Принадлежит:

The invention discloses an exhaust system of an engine, a control method and device and a vehicle. In the exhaust system of the engine, the engine comprises at least one air cylinder and a supercharger, and the air cylinder comprises an exhaust valve; the exhaust system comprises an exhaust valve, an exhaust passage, an exhaust manifold, an exhaust bypass pipe and an air guide valve; one end of the exhaust passage is connected with the exhaust valve, and the other end of the exhaust passage is connected with the air inlet end of the air guide valve; the air guide valve is communicated with a first air outlet end or a second air outlet end by changing actions, the first air outlet end is connected with the exhaust bypass pipe, and the second air outlet end is connected with the exhaust manifold; the exhaust manifold is connected with the supercharger. According to the exhaust system and control thereof, the action of the air guide valve is changed to control whether the supercharger participates ...

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Номер записи: 9
18-08-2023 дата публикации

Heat management system, control method, vehicle and storage medium

Номер: CN116605096A
Автор: LI YUTONG, WANG ZHANFENG, LI HUA, HUANG PINGHUI, MA HEYANG, ZHANG YUFAN, GONG YANFENG
Принадлежит:

The invention relates to the technical field of vehicles, in particular to a heat management system, a control method, a vehicle and a storage medium, the heat management system comprises an evaporation system, the evaporation system comprises a heat preservation liquid storage tank, an evaporation pipeline and a heat exchange manifold, a phase change medium is stored in the heat preservation liquid storage tank, and a power battery is located in the heat preservation liquid storage tank; one end of the evaporation pipeline communicates with the heat preservation liquid storage tank, the two ends of the heat exchange manifold communicate with the evaporation pipeline, and the heat exchange manifold is arranged on one side of an engine; the condensation system comprises a condensation pipe, a condensation liquid storage tank and a condensation circulation assembly which are communicated in sequence, the condensation pipe is communicated with the other end of the evaporation pipeline, and ...

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Номер записи: 10
06-06-2023 дата публикации

Carbon neutral fuel engine and vehicle with same

Номер: CN116220972A
Автор: LI LIANGYU, WANG ZHANFENG, HAN LINGHAI, GONG YANFENG, LI JINCHENG
Принадлежит:

The invention provides a carbon neutral fuel engine and a vehicle with the carbon neutral fuel engine, the carbon neutral fuel engine comprises a carbon neutral fuel tank, a carbon neutral fuel injector, a carbon neutral fuel injector, a carbon neutral fuel pump, a carbon neutral fuel pump and a carbon neutral fuel pump, the inlet end of the cooling chamber is communicated with the carbon neutral fuel tank, the outlet end of the cooling chamber is selectively communicated or closed with the fuel injector, and when the outlet end of the cooling chamber is communicated with the fuel injector, the cooling chamber can cool the carbon neutral fuel passing through the cooling chamber; the inlet end of the heating chamber is communicated with the carbon neutral fuel tank, the outlet end of the heating chamber is selectively communicated or closed with the fuel injector, and when the outlet end of the heating chamber is communicated with the fuel injector, the heating chamber can heat the carbon ...

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Номер записи: 11
09-06-2023 дата публикации

Pre-combustion chamber combustion system, engine and vehicle

Номер: CN116241364A
Автор: LIU YAODONG, ZHAO CHUAN, LI XIAN, LI JINCHENG, HAN LINGHAI, GONG YANFENG
Принадлежит:

The invention provides a pre-combustion chamber combustion system, an engine and a vehicle. The pre-combustion chamber combustion system comprises a pre-combustion chamber body, a circular truncated cone protruding structure is arranged in the middle of the inner wall of the bottom of the pre-combustion chamber body, the circular truncated cone protruding structure protrudes towards the top of the pre-combustion chamber body, a central bottom hole is formed in the middle of the circular truncated cone protruding structure, and the central bottom hole is formed in the middle of the circular truncated cone protruding structure in the direction from the top of the pre-combustion chamber body to the bottom of the pre-combustion chamber body. The diameter of the central bottom hole is gradually increased, so that an inner necking structure is formed in the position, corresponding to the circular truncated cone protruding structure, of the outer wall of the bottom of the pre-combustion chamber ...

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Номер записи: 12
13-06-2023 дата публикации

Hydrogen fuel engine combustion system and vehicle

Номер: CN116255239A
Автор: LI YING, WANG ZHENXI, DUAN JIAQUAN, ZHENG JIAHENG, GONG YANFENG, ZHANG LIANFANG
Принадлежит:

The invention belongs to the technical field of vehicles, and discloses a hydrogen fuel engine combustion system and a vehicle, the hydrogen fuel engine combustion system comprises a cylinder cover, a piston and a hydrogen spraying assembly, a combustion chamber can be formed between the cylinder cover and the piston, the cylinder cover is provided with a gas inlet side gas extrusion face and a gas exhaust side gas extrusion face, and rolling flow in a cylinder can flow to the center of the cylinder; the invention relates to the technical field of combustion chambers, in particular to a tumble flow guiding device which has a guiding effect on tumble flow development, so that mixed gas is closer to a sparking plug in the center of a cylinder cover, ignition is more facilitated, meanwhile, the volume of the combustion chamber can be further reduced, and the hydrogen spraying assembly comprises a hydrogen sprayer and a shielding cap which is installed on the cylinder cover, arranged on the ...

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Номер записи: 13
15-08-2023 дата публикации

Method, device and system for controlling intake and exhaust of engine

Номер: CN116591835A
Автор: LI LIANGYU, HUANG PINGHUI, LI HUA, WANG ZHANFENG, GONG YANFENG
Принадлежит:

The invention discloses an engine intake and exhaust control method, device and system. The engine intake and exhaust control method comprises the steps that the current opening degree of an accelerator pedal is obtained in real time; according to the current opening degree, the current flow speed and the current tumble ratio of intake and exhaust are determined; according to the current flow velocity and the current tumble ratio, determining the number of flow guide blocks needing to work currently and the rotation speed of the flow guide blocks needing to work; wherein the number, determined according to the current flow velocity and the current tumble ratio, of the flow guide blocks needing to work currently is a first number, and the rotation speed, determined according to the current flow velocity and the current tumble ratio, of the flow guide blocks needing to work is a first rotation speed; and the first number of flow guide blocks are controlled to work at the first rotating speed ...

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Номер записи: 14
25-07-2023 дата публикации

Hybrid power control system and vehicle

Номер: CN116476624A
Автор: WANG ZHANFENG, LI YUTONG, HUANG PINGHUI, LI HUA, ZHANG YUFAN, MA HEYANG, GONG YANFENG
Принадлежит:

The invention discloses a hybrid power control system and a vehicle. Relates to the technical field of vehicle engineering and comprises an engine, a first driving motor, a second driving motor, a generator, an electronic supercharger and a tire, the engine is connected with the generator through a first control loop, the second driving motor is connected with the electronic supercharger through a second control loop, and the engine is connected with the tire through a third control loop. The second driving motor is connected with the tire through a fourth control loop, and the first driving motor is connected with the tire through a fifth control loop; the engine is used for driving the generator to work, so that the generator charges a power battery of the vehicle and/or provides driving force for tires; the second driving motor is used for driving the electronic supercharger to work and/or providing driving force for tires; the first driving motor is used for providing driving force ...

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Номер записи: 15
29-08-2023 дата публикации

Two-cylinder engine system and control method

Номер: CN116658271A
Автор: ZHANG YUFAN, LI YUTONG, LI CHUNYU, MA HEYANG, HUANG PINGHUI, LI HUA, WANG ZHANFENG, GONG YANFENG, HAN LINGHAI
Принадлежит:

The embodiment of the invention discloses a two-cylinder engine system and a control method. The two-cylinder engine system is characterized in that external air enters a first cylinder and a second cylinder for combustion; an outlet of the first cylinder and an outlet of the second cylinder are both connected with an inlet of the exhaust manifold; an outlet of the exhaust manifold is connected with an inlet of the engine oil heating pipeline; the outlet of the exhaust manifold is further connected with the inlet of the energy recovery pipeline; an inlet of the exhaust gas recirculation pipeline is connected with a first outlet of the energy recovery pipeline, and a first outlet of the exhaust gas recirculation pipeline and a second outlet of the exhaust gas recirculation pipeline are connected with an inlet of the first cylinder and an inlet of the second cylinder respectively. By adopting the technical means, the engine is quickly warmed up during cold start of the vehicle through the ...

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Номер записи: 16
30-05-2023 дата публикации

Engine exhaust control system and method, vehicle and storage medium

Номер: CN116181466A
Автор: ZHANG YUFAN, LI YUTONG, LI CHUNYU, MA HEYANG, HUANG PINGHUI, LI HUA, WANG ZHANFENG, GONG YANFENG, HAN LINGHAI
Принадлежит:

The invention discloses an engine exhaust control system and method, a vehicle and a storage medium. The system comprises a first exhaust manifold, a second exhaust manifold, an exhaust gas recirculation module and an exhaust tail pipe. The first exhaust manifold is used for receiving gas exhausted by the first air cylinder and exhausting the gas into the exhaust tail pipe. The second exhaust manifold is used for receiving gas exhausted by the second cylinder and exhausting the gas into the exhaust gas recirculation module; the exhaust gas recirculation module is used for receiving gas exhausted by the second exhaust manifold, then exhausting the gas into the first air cylinder and the second air cylinder, and controlling air inlet of the first air cylinder and air inlet of the second air cylinder according to the target exhaust gas recirculation rate; and the exhaust tail pipe is used for exhausting the received gas to the outside. According to the engine exhaust control system, a larger ...

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Номер записи: 17
18-07-2023 дата публикации

Gasoline engine lean-burn tail gas aftertreatment system, control method and vehicle

Номер: CN116446989A
Автор: LIU MINGLI, LIU YAODONG, HAN LINGHAI, LI JINCHENG, GONG YANFENG, DUAN JIAQUAN, HUANG PINGHUI
Принадлежит:

The embodiment of the invention provides a gasoline engine lean burn tail gas after-treatment system and method and a vehicle. The gasoline engine lean burn tail gas after-treatment system comprises a particle trap, a deaerator and a three-way catalytic converter which are sequentially connected in series through a pipeline; the tail gas aftertreatment system further comprises a bypass pipeline connected between the downstream of the particle trap and the upstream of the three-way catalytic converter, a bypass valve is arranged on the bypass pipeline, and a control valve is arranged on a connecting pipeline between the deaerator and the three-way catalytic converter. The control valve is located on the upstream of the connecting position of the bypass pipeline and the connecting pipeline. According to the embodiment of the invention, on the premise of ensuring the thermal efficiency of the engine, the problem of low NOx conversion efficiency of the lean-burn gasoline engine post-treatment ...

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Номер записи: 18