CN208578661U - Pressure stabilizing air inlet engine - Google Patents
Pressure stabilizing air inlet engine Download PDFInfo
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- CN208578661U CN208578661U CN201821052576.2U CN201821052576U CN208578661U CN 208578661 U CN208578661 U CN 208578661U CN 201821052576 U CN201821052576 U CN 201821052576U CN 208578661 U CN208578661 U CN 208578661U
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Abstract
The utility model discloses a kind of pressure stabilizing air inlet engines, it include: engine body, airstrainer and air voltage-stablizer, the engine intake is connected to air voltage-stablizer gas outlet, airstrainer is equipped between the engine intake and air voltage-stablizer gas outlet, or the engine intake is connected to air voltage-stablizer gas outlet by filter screen, the air voltage-stablizer includes air pressurizing unit or air pressure balancer, gas handling system is automatically controlled by pressure or flow automatically controls gas handling system or pressure and flow automatically controls gas handling system driving or control.The beneficial effects of the utility model are: the phenomenon that eliminating common engine negative pressure inlet, high pressure, pressure stabilizing air inlet are provided for engine, effectively increase engine air compression ratio, all in high efficiency, low pollution, low energy consumption steady operational status when realizing the operating of engine high, low speed, do not influenced by engine speed.Eliminate pinking, energy saving, reduction pollution.
Description
Technical field
The utility model belongs to automobile technical field, more particularly, to a kind of pressure stabilizing air inlet engine.
Background technique
Existing engine aspirating system is mainly natural inflow and turbocharging air inlet, and turbocharging is divided into a point tail gas again
Driving, Mechanical Driven and electric drive.Its generally existing disadvantage is: air inlet is insufficient, and air inlet is unstable.Especially high engine speeds
When operating, charge flow rate increases, and strainer resistance increases with the intake pressure difference that air mass flow increase generates, and causes for unsaturated vapor,
Engine efficiency reduces, and tail gas pollution is serious.
In addition, no matter which kind of above-mentioned intake method does not all accomplish that engine suction flow is synchronous with gas supply flow,
The result is that there is biggish fluctuation with engine suction changes in flow rate in admission pressure.Engine gas supply is unstable to be likely to cause hair
Engine knock causes engine damage or service life reduction.Therefore, engine there is an urgent need to a kind of charge flow rates can be with engine
Inspiratory flow variation, the stable intake method of pressure and technology, it is ensured that engine high-efficiency rate, low oil consumption, low emission stable operation.
These are all problems anxious to be resolved.
Summary of the invention
Air inlet can be balanced the technical problem to be solved by the utility model is to provide one kind and stable air inlet engine.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is: in the air inlet of common engine
Air voltage-stablizer and airstrainer are set, provide the pure air of pressure stabilization, flow abundance for engine.Pressure stabilizing air inlet hair
Motivation includes: engine, airstrainer and air voltage-stablizer, it is characterised in that: the engine intake is connected to the sky
Gas voltage-stablizer gas outlet, the air voltage-stablizer air inlet are connected to the airstrainer, by the effect of air voltage-stablizer, protect
The pressure for holding the engine intake is stablized in a certain range.
Pressure stabilizing air inlet engine, including engine, airstrainer and air voltage-stablizer, it is characterised in that: described to start
Machine air inlet is connected to air voltage-stablizer gas outlet, and the air voltage-stablizer air inlet is connected to the airstrainer, passes through
The pressure of the effect of air voltage-stablizer, the gas outlet and the engine intake that keep the air voltage-stablizer is stablized.
The air voltage-stablizer is that pressure automatically controls gas handling system or flow automatically controls gas handling system, or pressure
Power and flow automatically control gas handling system.
The pressure automatically controls gas handling system or flow automatically controls gas handling system, including pressure sensor or flow pass
Sensor, blower device or equipment and automatic controller, the automatic controller input terminal connection pressure sensor or flow sensing
Device, the automatic controller output end connect the blower device or equipment, control the air blast stream of the blower device or equipment
Amount and voltage-stablizer gas outlet pressure keep the pressure of the engine intake to stablize in a certain range.It is described from
Movement controller is independent or setting is entreated on controller within the engine.
The air voltage-stablizer is the major and minor air pressurizing unit structure in parallel or series by two or more different driving mode
At, the air pressurizing unit be driven by electricity engine Mechanical Driven or engines tail it is gas-powered.It is described two or more
Air pressurizing unit is respectively communicated with respective filter screen or shares a filter screen.
The air voltage-stablizer is made of in parallel or series electric air booster and tail gas turbocharger, it is described simultaneously
It is directly connected to or is respectively set ball-and-seat between the electric air booster of connection and the gas outlet of tail gas turbocharger to be connected to, two
A booster shares a gas outlet, and two air inlets are respectively communicated with respective filter screen or share a filter screen.
The electric air booster is by accelerator mechanism or throttle sensor signal or throttle sensor signal or hair
Motor speed signal or the control of generator voltage signal or fuel injector frequency signal or fuel injector voltage signal.
The concatenated electric air booster gas outlet be connected to the tail gas compressor outlet and filter screen it
Between chamber, between the tail gas compressor outlet and filter screen, directly be connected to or be arranged ball-and-seat be connected to or in institute
It states filter screen air inlet side setting ball-and-seat or the concatenated tail gas air pressurizing unit gas outlet is connected to the electric turbine and increases
Chamber between depressor air inlet and filter screen, between the electric turbocharger air inlet and filter screen, directly connection or
Ball-and-seat is arranged to be connected to or ball-and-seat is arranged in filter screen air inlet side.
The air voltage-stablizer is made of air pressurizing unit or air pressure balancer, the air pressurizing unit or air pressure balance
Device is air blower or exhaust fan or turbocharger, and by the fuel injector signal or engine speed of the engine or starts
What machine extraction flow or generator revolution or throttle or throttle signal controlled.
The air voltage-stablizer is made of air pressurizing unit and air pressure balancer, the air pressurizing unit and air pressure balancer
Gas outlet connection, be connected to by the same gas outlet with the engine intake, the air pressurizing unit and air pressure balance
Device air inlet is respectively communicated with respective filter screen or shares a filter screen.
The air pressure balancer is inlet and outlet mouth inside the connection voltage-stablizer or inlet and outlet filter screen or inlet and outlet
Device or inlet and outlet equipment or inlet and exhaust system.
Any position of the engine aspirating system is provided with air themperature automatic control system or device.
The beneficial effects of the utility model are: the phenomenon that eliminating common engine negative pressure inlet, provides height for engine
Pressure, pressure stabilizing air inlet, effectively increase engine air compression ratio, all in high efficiency, low when realizing the operating of engine high, low speed
Pollution, low energy consumption steady operational status, are not influenced by engine speed.Eliminate pinking, energy saving, reduction pollution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model pressure stabilizing air inlet engine；
Fig. 2 is the pressure stabilizing air inlet engine knot that the utility model air pressure balancer and air pressurizing unit share a filter screen
Structure schematic diagram；
Fig. 3 shows for the pressure stabilizing air inlet engine structure of the utility model air pressure balancer and air pressurizing unit independence filter screen
It is intended to；
Fig. 4 is the high pressure of the major and minor air pressurizing unit serial air supply of the utility model, pressure stabilizing air inlet engine structural representation
Figure；
Fig. 5 is the high pressure of the major and minor air pressurizing unit parallel connection gas supply of the utility model, pressure stabilizing air inlet engine structural representation
Figure；
Fig. 6 is the utility model another kind pressure stabilizing air inlet engine.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
As shown in Figures 1 to 6, a kind of pressure stabilizing air inlet engine, comprising: engine body, airstrainer and air are steady
Depressor, the engine intake are connected to air voltage-stablizer gas outlet, and the air voltage-stablizer air inlet is connected to the sky
Gas filter screen or the engine intake are connected to air voltage-stablizer gas outlet by filter screen.
Voltage-stablizer is the automatic control system that a set of gas outlet flow is adjustable, pressure is stable.It can be inhaled according to engine
The variation of throughput changes gas supply flow, while engine charge pressure being kept to stablize.Outside air is passed through by airstrainer
Voltage-stablizer effect is crossed, provides the pure air of pressure stabilization, flow abundance for engine, admission pressure is not turned substantially by engine
The influence of speed and big ups and downs, keep having sufficient air inlet to participate in burning in engine cylinder at any time, make burning completely, improve effect
Rate, fuel-economizing, emission reduction.
Air voltage-stablizer is there are many structure type, comprising: machine automatization control, Pneumatic automatic control, electronic automatic control,
Intelligent automatic control structure.Its control form has admission pressure, flow automatic control type and admission pressure balanced type.
Admission pressure, flow automatic control type air voltage-stablizer, are flow, the pressure automatic control system of a set of closed loop.
The system is by pressure, flow sensor, automatic controller, air blower/exhaust fan/air pressurizing unit and electric power generating composition.Firstly, root
Established standards admission pressure is needed according to engine.Pressure, flow sensor are arranged in voltage-stablizer gas outlet, detect gas outlet at any time
Pressure.When pressure is lower than normal pressure, automatic controller controls air blower/exhaust fan/air pressurizing unit and increases charge flow rate, makes
Gas outlet pressure rise, reaches normal pressure.When pressure is higher than normal pressure, automatic controller controls air blower/exhaust fan/sky
Gas booster reduces charge flow rate, uses outlet pressure reduction, reaches normal pressure.It moves in circles in this way and automatically controls gas outlet
Pressure is maintained near normal pressure, realizes pressure stabilizing air inlet.Especially suitable and high pressure admission engine.
Admission pressure balanced type air voltage-stablizer, is made of air pressurizing unit and air pressure balancer.Air pressurizing unit is responsible for
Super charge.Air pressure balancer is responsible for air inlet, exhaust.The air pressure balancer be inlet and outlet mouth or inlet and outlet filter screen or
Air inlet-and-exhaust device or inlet and outlet equipment or inlet and exhaust system.Especially inlet and outlet mouth and inlet and outlet filter screen structure, structure
Simple low cost, it is economic and practical.When gas outlet pressure is lower than normal pressure, internally air inlet increases or keeps out air pressure balancer
Outlet pressure is stablized.When gas outlet pressure is higher than normal pressure, air pressure balancer reduces or keeps gas outlet pressure to external exhaust gas
Power is stablized.Suitable for low-pressure admission engine, especially " 0 " pressure breathing engine.
The air voltage-stablizer includes air pressurizing unit or air pressure balancer, automatically controls gas handling system or flow by pressure
It automatically controls gas handling system or pressure and flow automatically controls gas handling system driving or control.
Air inlet connection, voltage-stablizer gas outlet 1 will be inside air pressurizing unit gas outlet 7 and air pressure balancer inlet, outlet 6
Connection.
Air pressure balancer is to set pressure as standard, with the pressure difference between voltage-stablizer internal air pressure and setting pressure
To control signal, the device that control voltage-stablizer inner air is discharged and covers.Including pressure difference control, electrical control, Mechanical course,
Hydraulic control, pneumatic control.Air pressure balancer is controlled inside voltage-stablizer by overflowing and covering the air capacity inside voltage-stablizer
Air-pressure stable.When voltage-stablizer internal pressure is higher than setting pressure, air is discharged in air pressure balancer, makes voltage-stablizer internal pressure
It reduces；When voltage-stablizer internal pressure is lower than setting pressure, air pressure balancer inwardly covers air, makes voltage-stablizer internal pressure liter
Height, guarantees inside voltage-stablizer and outlet pressure is stablized in a certain range, does not change with rate of discharge and significant change occurs.
Air pressurizing unit provides pressurized air for voltage-stablizer, it is ensured that inside voltage-stablizer and outlet pressure is stable or higher than setting
Constant-pressure provides the air that pressure is stable, amount is sufficient for engine.The air pressurizing unit and intake pressure balancer import are set
Filter screen is set, the voltage-stablizer outlet can provide the pure air of pressure stabilization, flow abundance for engine.Air pressurizing unit
It is that power drive pressurization or air-impingement are pressurized.The power drive air pressurizing unit includes air blower, exhaust fan, turbine increasing
Depressor, the air pressurizing unit further include motor driven, tail gas driving and Mechanical Driven.The air inflow of the air pressurizing unit
It can be automatically adjusted with engine suction amount, guarantee that air inlet abundance and the voltage-stablizer outlet pressure are stablized, realize gas supply under constant pressure.
The air pressurizing unit is power drive pressurization or air-impingement pressurization.The power drive air pressurizing unit includes air blast
Machine, exhaust fan, turbocharger, the air pressurizing unit further include motor driven, tail gas driving and Mechanical Driven.The sky
The revolving speed of gas booster is controlled by admission pressure or charge flow rate or engine speed or throttle signal.Power drive is empty
Gas booster can be switched with positive and negative rotation.
Appointing among pressure sensor, temperature sensor, flow sensor and throttle sensor is provided on voltage-stablizer
Meaning is one or more of.It is provided with hole in the voltage-stablizer main body, the other positions of engine or extraction electric wire is can connect or setting connects
Line terminals or setting connector.It is provided with electric machine controller on the voltage-stablizer, controls the air pressurizing unit working condition.
Electric machine controller power input connects the power generation of storage battery or engine directly or by switch or relay connection
Machine.Voltage-stablizer connects engine, and engine is arranged inside car body, and impinging air supercharger inlet is arranged in engine
The windward side of water tank or the outside of leeward or tank circumference or car body.
Embodiment 1
Fig. 2 is the pressure stabilizing air inlet engine knot that the utility model air pressure balancer and air pressurizing unit share a filter screen
Structure schematic diagram, including engine body 1, engine intake 2, voltage-stablizer gas outlet 3, voltage-stablizer 4, filter screen 5, supercharging air
Device 7 and air pressure balancer 8.Air pressure balancer 8 and air pressurizing unit 7 share a filter screen 5, which, which uses, has
Power-actuated air pressure balancer is that the injection of voltage-stablizer cavity 4 is higher than atmospheric pressure by air pressure balancer 8 and air pressurizing unit 7
Air, the air pressure balancer 8 can also set when 4 pressure of voltage-stablizer cavity is high and be vented outwards, it is ensured that voltage-stablizer
Pressure inside cavity 4 keeps stablizing under conditions of being higher than atmospheric pressure.Air pressure balancer 8 and air pressurizing unit 7 share one
A filter screen 5, simplifies structure, reduces cost.The voltage-stablizer cavity 4 and filter screen 5 are arbitrary shape and structure.
Embodiment 2
Fig. 3 shows for the pressure stabilizing air inlet engine structure of the utility model air pressure balancer and air pressurizing unit independence filter screen
It is intended to, including engine body 1, engine intake 2, voltage-stablizer gas outlet 3, voltage-stablizer 4, filter screen 5, voltage-stablizer air inlet
6, air pressurizing unit 7, air pressure balancer 8 and air pressure balancer filter screen 15.
The engine voltage-stablizer uses the air pressure balancer of dynamic driving, by air pressure balancer 8 and air pressurizing unit 7
It is higher than the air of atmospheric pressure for the injection of voltage-stablizer cavity 4, the air pressure balancer 8 can also be high in 4 pressure of voltage-stablizer cavity
When setting be vented outwards, it is ensured that pressure voltage-stablizer cavity 4 inside keeps stabilization under conditions of being higher than atmospheric pressure.
Embodiment 3
Fig. 4 is the high pressure of the major and minor air pressurizing unit serial air supply of the utility model, pressure stabilizing air inlet engine structural representation
Figure, comprising: engine body 1, engine intake 2, voltage-stablizer gas outlet 3, filter screen 5, air voltage-stablizer gas outlet 6, list
Flow valve 9, secondary air pressurizing unit 10, secondary air pressurizing unit filter screen 11, filter screen chamber 12 and primary air booster 13.The pressure stabilizing
Air inlet engine uses major and minor air pressurizing unit cascaded structure for engine gas supply.Primary air booster 13 is that tail gas turbine is empty
Gas booster, 3 connection engine intake 2 of outlet, air inlet connect filter screen chamber 12, and secondary air pressurizing unit 10 is electronic sky
Gas booster, outlet connection filter screen chamber 12, air inlet connect filter screen 11.Filter screen chamber 12 is also connected by ball-and-seat 9
Strainer 5 is taken over, air voltage-stablizer is constituted.Primary air booster 13 is controlled by motor exhaust, and stability is poor.Secondary air pressurizing unit
10 control for throttle or throttle sensor, can make up the deficiency of primary air booster 13.When low engine speed, primary air increases
The low discharge capacity of depressor 13 increases capacity by Throttle Opening Control pair air pressurizing unit 10 and improves charge flow rate and pressure.Primary air increases
When 13 high discharge capacity of depressor, when secondary 10 capacity of air pressurizing unit is not able to satisfy its air inlet and needs, then pass through ball-and-seat 9 and filtering
5 air inlet of net supplements air inflow.Secondary air pressurizing unit can also be automatically controlled using pressure, flow and realize gas supply under constant pressure.It is especially suitable
Diesel engine for high pressure admission.
Embodiment 4
Fig. 5 is the high voltage stabilizing air inlet engine structural schematic diagram of the major and minor air pressurizing unit parallel connection gas supply of the utility model,
Increase including engine body 1, engine intake 2, voltage-stablizer gas outlet 3, voltage-stablizer 4, filter screen 5, ball-and-seat 9, secondary air
Depressor 10, secondary air pressurizing unit filter screen 11, primary air booster 13 and secondary air pressurizing unit ball-and-seat 14.Pressure stabilizing air inlet hair
Motivation uses major and minor air pressurizing unit parallel-connection structure for engine gas supply.Primary air booster 13 is the pressurization of tail gas turbine air
Device, secondary air pressurizing unit 10 are electric air booster.Primary air booster 13, secondary air pressurizing unit 10 gas outlet connect simultaneously
It connects voltage-stablizer 4 and constitutes voltage-stablizer assembly.Pass through 3 connection engine intake 2 of outlet, major and minor air pressurizing unit air inlet difference
Filter screen 5 and 11 is connected by ball-and-seat 14,9.Outlet connection filter screen chamber 12, air inlet connect filter screen 11.Primary air
For booster 13 by motor exhaust flow control, stability is poor.Secondary air pressurizing unit 10 is that throttle or throttle sensor control,
The deficiency of primary air booster 13 can be made up.When time of engine low speed, the low discharge capacity of primary air booster 13, in voltage-stablizer 4
Portion's pressure is low.Secondary air pressurizing unit 10 can increase charge flow rate and improve charge flow rate and pressure, secondary air by Throttle Opening Control
Booster 10 is main force's gas supply.When high engine speeds operate, air capacity is needed to increase, secondary 10 capacity of air pressurizing unit reaches at this time
To saturation, it is not able to satisfy its air inlet needs.Engine exhaust flow increases simultaneously, and 13 discharge capacity of primary air booster increases with it,
There is provided big flow gas supply becomes main force's gas supply booster.Major and minor air pressurizing unit complementary operation guarantees that voltage-stablizer output pressure is steady
It is fixed.Secondary air pressurizing unit can also be automatically controlled using pressure, flow and realize gas supply under constant pressure.It is particularly suitable for the bavin of high pressure admission
Oil turbine.
Embodiment 5
A kind of pressure stabilizing air inlet engine as shown in FIG. 6, comprising: engine 1, engine intake 2, air voltage-stablizer go out
Port 3, air voltage-stablizer main body 4, filter screen 5, air voltage-stablizer air inlet 6, pressure sensor 15, flow sensor 16, from
Movement controller 17 and air blower 18, air voltage-stablizer are automatically controlled gas handling system and are constituted by a set of by closed loop flow, pressure.
The system is separately positioned in voltage-stablizer main body 4 by pressure sensor 15, flow sensor 16, the automatic control of signal output end connection
Device input terminal processed, automatic controller output end connect air blower 18, and 18 air inlet of air blower connects filter screen 5, and air blower 18 goes out
Port is constituted by being connected to voltage-stablizer gas outlet 3 and engine intake 2 inside voltage-stablizer main body 4.Firstly, according to engine need
Want established standards admission pressure.Pressure, flow sensor be arranged in voltage-stablizer main body 4, at any time detect gas outlet 3 pressure and
Flow.When pressure is lower than normal pressure, automatic controller controls air blower and increases charge flow rate, makes 3 pressure rise of gas outlet, reaches
To normal pressure.When pressure is higher than normal pressure, automatic controller controls air blower and reduces charge flow rate, uses outlet pressure drop
It is low, reach normal pressure.Move in circles in this way and automatically control 3 pressure of gas outlet and be maintained near normal pressure, realize pressure stabilizing into
Gas.The system is used suitable for all kinds of fuel engines, is particularly suitable for high pressure admission diesel engine.
The invention has the characteristics that providing the pure air of pressure stabilization, flow abundance for engine.Ensure engine charge
Abundance, sufficiently, power is by force into without pinking for burning.Efficiently, the operation of low consumption, stabilization and low emission.Combustion is saved to the maximum extent
Oil reduces tail gas pollution.
Claims (10)
1. a kind of pressure stabilizing air inlet engine, comprising: engine body, airstrainer and air voltage-stablizer, it is characterised in that: institute
Engine intake connection air voltage-stablizer gas outlet is stated, between the engine intake and air voltage-stablizer gas outlet
Air voltage-stablizer gas outlet is connected to by filter screen equipped with airstrainer or the engine intake.
2. a kind of pressure stabilizing air inlet engine according to claim 1, it is characterised in that: the air voltage-stablizer includes air
Booster or air pressure balancer automatically control gas handling system by pressure or flow automatically control gas handling system or pressure and flow certainly
Dynamic control gas handling system driving or control.
3. a kind of pressure stabilizing air inlet engine according to claim 2, it is characterised in that: the pressure automatically controls air inlet system
System or flow automatically control gas handling system, including pressure/flow sensor, air blower/exhaust fan/air pressurizing unit and automatic control
Device processed, the automatic controller input terminal connect pressure sensor/flow sensor, and the automatic controller output end connects institute
It states air blower/exhaust fan/air pressurizing unit and controls air blower/exhaust fan/air pressurizing unit air blast flux and described steady
Depressor gas outlet pressure.
4. a kind of pressure stabilizing air inlet engine according to claim 1, it is characterised in that: the air voltage-stablizer is by major and minor
Air pressurizing unit constitutes in parallel or series and is respectively communicated with respective filter screen or shares a filter screen, the major and minor air
Booster be driven by electricity engine Mechanical Driven or motor exhaust driving.
5. pressure stabilizing air inlet engine according to claim 1, it is characterised in that: the air voltage-stablizer is by electric air
Booster and tail gas turbocharger are constituted in parallel or series, the electric air booster and tail gas turbocharger of the parallel connection
Gas outlet between be directly connected to or be respectively set ball-and-seat connection and share a gas outlet, air inlet is respectively communicated with respectively
Filter screen or share a filter screen.
6. pressure stabilizing air inlet engine according to claim 5, it is characterised in that: the electric air booster is by being arranged
Accelerator mechanism or throttle sensor signal or throttle sensor signal or generator speed signal or power generation on the engine
Machine voltage signal or the control of fuel injector frequency signal or fuel injector voltage signal；The concatenated electric air booster gas outlet
The chamber being connected between the tail gas compressor outlet and filter screen, the tail gas compressor outlet and filtering
Between net, directly it is connected to or ball-and-seat is set and be connected to or ball-and-seat or described concatenated is set in filter screen air inlet side
Tail gas air pressurizing unit gas outlet is connected to the chamber between the electric turbocharger air inlet and filter screen, the electronic whirlpool
It takes turns between supercharger inlet and filter screen, be directly connected to or be arranged ball-and-seat connection or is arranged in filter screen air inlet side
Ball-and-seat.
7. pressure stabilizing air inlet engine according to claim 1, it is characterised in that: the air pressurizing unit or air pressure balancer
Equipped with air blower or exhaust fan or turbocharger, and by the fuel injector signal or engine speed or engine exhaust of engine
Flow or generator revolution or throttle or throttle signal control.
8. pressure stabilizing air inlet engine according to claim 1, it is characterised in that: the air pressurizing unit and air pressure balancer
Gas outlet connection, be connected to by the same gas outlet with the engine intake, the air pressurizing unit and air pressure balance
Device air inlet is respectively communicated with respective filter screen or shares a filter screen.
9. pressure stabilizing air inlet engine according to claim 7 or 8, it is characterised in that: the air pressure balancer is connection institute
State inlet and outlet mouth inside voltage-stablizer or inlet and outlet filter screen or air inlet-and-exhaust device or inlet and outlet equipment or inlet and outlet system
System.
10. pressure stabilizing air inlet engine according to any one of claims 1 to 8, it is characterised in that: in the engine charge
Any position of system is provided with air themperature automatic control system or device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052576.2U CN208578661U (en) | 2018-07-04 | 2018-07-04 | Pressure stabilizing air inlet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052576.2U CN208578661U (en) | 2018-07-04 | 2018-07-04 | Pressure stabilizing air inlet engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208578661U true CN208578661U (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821052576.2U Expired - Fee Related CN208578661U (en) | 2018-07-04 | 2018-07-04 | Pressure stabilizing air inlet engine |
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| CN (1) | CN208578661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757241A (en) * | 2018-07-04 | 2018-11-06 | 李桂江 | Voltage stabilizing air inlet engine |
-
2018
- 2018-07-04 CN CN201821052576.2U patent/CN208578661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757241A (en) * | 2018-07-04 | 2018-11-06 | 李桂江 | Voltage stabilizing air inlet engine |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20190704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |