CN110108416A - A kind of smog leakage detection apparatus suitable for big flow gas - Google Patents

A kind of smog leakage detection apparatus suitable for big flow gas Download PDF

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Publication number
CN110108416A
CN110108416A CN201910435847.5A CN201910435847A CN110108416A CN 110108416 A CN110108416 A CN 110108416A CN 201910435847 A CN201910435847 A CN 201910435847A CN 110108416 A CN110108416 A CN 110108416A
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CN
China
Prior art keywords
gas
smog
liquid stream
liquid
container
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Granted
Application number
CN201910435847.5A
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Chinese (zh)
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CN110108416B (en
Inventor
全昌斌
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Shenzhen Hechuang Intelligent Manufacturing Co., Ltd
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Huizhou Hechuangzhi Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The present invention relates to a kind of smog leakage detection apparatus suitable for big flow gas, it includes liquid stream container, gas container, it is atomized heating rod and the gas introduction port for importing gas, the lower wall of liquid stream container offers the smog risen through for smog around atomization heating rod and flows through mouth, the gas chamber that atomization heating rod is flowed through and put for gas is formed between the lower wall and gas container of liquid stream container, the upper end of gas chamber offers the diversion cavity of taper, the lower wall that the bottom surface of liquid stream container offers multiple perforation liquid stream containers is used for the bleed passage of inner space aerial drainage of the gas from gas chamber towards liquid stream container, the lower end of bleed passage and diversion cavity penetrate through.Utilize the discouraged effect of the guiding role and bleed passage of diversion cavity, extra gas is discharged from gas chamber, do not allow that smog is easily caused to flow through mouth, can effectively alleviate the situation that liquid caused by therefore gas flow is excessive cannot be fallen to from liquid stream container in gas container.

Description

A kind of smog leakage detection apparatus suitable for big flow gas
Technical field
The present invention relates to air-tightness detection device technical field, especially a kind of smog suitable for big flow gas is hunted leak Device.
Background technique
In production and living, largely exist the pipeline to be worked using liquid (gas, the combination of liquid or both) and System, many industrial machines, household HVAC ventilating system and other devices using liquid operation, which can be for example all Such as the gas of air or the liquid of vapo(u)rization system, such as fuel, hydraulic fluid manufactures gas and liquid etc.;And in automobile industry In, including fuel system, exhaust system, heating, cooling and ventilation (HVAC) system and hydraulic power-assisted steering and a small number of systems Dynamic system.Most of use environments are more demanding to the airtightness of pipeline and/or system.In the case that all these systems and, The necessary proper seal of liquid system is to prevent locking system liquid leakage;
Especially in automobile industry, hermeticity experiment is one of the equipment such as motor vehicle in R&D process or before general assembly process The indispensable performance indicator experiment of item.Because the leakage in liquid system may be very difficult to detect and/or position, because letting out Leak very little or in the position being not easy to access.Used hermeticity experiment principle mainly passes through the fuel oil to vehicle in the industry Injection smog to be detected in exhaust system (it is generated after atomization process by fuel oil under normal circumstances, with vehicle system The actual service conditions of system is adapted), to keep smog weaker from sealing performance using the pressure difference of system inside and outside Position flows to outside system, and then realizes the detection to system air-tightness by the detection to smog leakage position and leakage rate, To take system the seal approach of optimization.Such as patent document (108291851 A of CN) discloses a kind of fog machine, benefit With heating element to liquid heat and during heating and gas mixing make liquid atomization generate smog, then using pipe Road is by smoke delivery into system to be detected.
A kind of fluid system air-tightness smog leakage detection apparatus is disclosed in Chinese application documents (CN109470420A), including Vertically arranged and top is provided with the fluid liquid reservoir container of smog emission seam, is installed in the bottom face of fluid liquid reservoir container Make the gas medium container being vertically connected to the inner space of fluid liquid reservoir container, be installed in along the vertical direction in upper and inner space Atomization heating rod in gas medium container and be set on gas medium container and be located at atomization heating rod side Jie Matter incidence seam.But since its fluid liquid reservoir container is connected to the vertical of the junction of gas media Containers, when medium enters Penetrate the gas flow imported in seam it is larger when, since the gas of big flow can only hold from fluid liquid reservoir container and gas medium The junction of device passes through, and causes liquid to cannot flow into gas medium container and contacts with heating rod, liquid cannot heat, finally Lead to that smog cannot be generated;Therefore it needs to improve the smog leakage detection apparatus, be passed through with adapting to the gas of big flow.
Summary of the invention
In view of the deficiency of the prior art, the purpose of the present invention is to provide a kind of suitable for big flow gas Smog leakage detection apparatus.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of smog leakage detection apparatus suitable for big flow gas, it include top be provided with smog emission mouth for depositing Put liquid to be atomized liquid stream container, the bottom for being installed in liquid stream container and inner space and liquid stream container inner space The gas container flowed through for gas, the inside for being placed in gas container and the upper end of perforation are placed on liquid stream appearance through liquid stream container In device for heating the liquid gas under the admixture with formed the atomization heating rod of smog and be used for The gas introduction port of gas is imported in gas container, the lower wall of the liquid stream container is offered around atomization heating rod on smog It rises the smog passed through and flows through mouth, be formed between the lower wall and gas container of the liquid stream container and mist is flowed through and put for gas Change the gas chamber of heating rod, the gas introduction port and smog flow through mouth and penetrates through with gas chamber, the gas chamber Upper end offers the diversion cavity of taper, and the bottom surface of the liquid stream container offers the lower wall of multiple perforation liquid stream containers for gas From gas chamber towards the bleed passage of the inner space aerial drainage of liquid stream container, lower end and the diversion cavity of the bleed passage are passed through It is logical.
Preferably, the bleed passage is described around the bottom for being set to liquid stream container in the center ring week of atomization heating rod The side wall of bleed passage flows through mouth with smog and is connected to.
Preferably, it is also provided on the lower wall of the liquid stream container and is flowed into gas chamber for liquid from liquid stream container Fluid course, the fluid course through liquid stream container bottom and connect with the bottom end of diversion cavity.
Preferably, the diversion cavity is opened on the lower surface of liquid stream container, around gas on the upper surface of the gas container Fluid chamber has been upwardly formed a circle annular wall, and the fluid course is located at the outside of annular wall.
Preferably, it is additionally provided in the liquid stream container above the liquid that one is located in liquid stream container for stopping not to be atomized Liquid rise liquid barrier, the smog flows through mouth and bleed passage is respectively positioned in the coverage area of liquid barrier.
Preferably, the gas chamber is rectangle, and the outer circle of the gas introduction port and gas chamber is tangent.
Preferably, the outside of the liquid stream container is additionally provided with one for observing the liquid level of the liquid in liquid stream container Liquid level observation pipe, the top and bottom of the liquid level observation pipe are connected to the bottom end and upper end and and liquid of liquid stream container The internal run-through of stream container.
Preferably, the liquid level observation pipe is the tubular body structure made of transparent or semitransparent material.
Preferably, the atomization heating highest region of rod surface temperature is located at smog and flows through in mouth or flow through positioned at smog The position of mouth is flowed through below mouthful and close to smog.
As the above scheme is adopted, invention, will using the discouraged effect of the guiding role and bleed passage of diversion cavity Extra gas is discharged from gas chamber, it is not easy to cause smog to flow through mouth, can effectively alleviate therefore gas flow mistake Liquid caused by big cannot fall to the situation in gas container from liquid stream container, have very strong practicability.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at F;
Fig. 3 is the structural schematic diagram of the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of gas container of the embodiment of the present invention;
Fig. 5 is that the smog of the embodiment of the present invention flows through the combining structure schematic diagram of mouth and bleed passage;
Fig. 6 is the enlarged drawing in Fig. 5 at H;
Fig. 7 is the control mode principle schematic diagram of the present embodiment.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
As shown in Figures 1 to 6, a kind of smog leakage detection apparatus suitable for big flow gas provided in this embodiment, it is wrapped It includes:
Top is provided with the liquid stream container 10 for storing liquid to be atomized of smog emission mouth 11, and (its inner space is excellent It is selected as cylindric spatial shape), the top of liquid stream container 10 is provided with for injecting into the inner space of liquid stream container 10 The pouring orifice 15 of liquid to be atomized;
Be installed in the bottom of liquid stream container 10 and inner space and liquid stream container 10 inner space perforation for gas The gas container 20 that body flows through is mainly used for facing for auxiliary gas (such as air or oxygen) offer conveyed through pressure The space of Shi Cunfang;
It is placed in the inside of gas container 20 and upper end is placed in liquid stream container 10 through liquid stream container 10 and is used to locate Liquid gas under admixture is heated to form the atomization heating rod 30 of smog;
For importing the gas introduction port 21 of gas into gas container 20, it is mainly used for external air source equipment A (such as sky Press, air pump etc.) docked to assist in gas injection to gas container 20, be opened on gas container 20 or It is fixed on gas container 20 by pneumatic joint;
The lower wall of liquid stream container 10 offers the smog risen through for smog around atomization heating rod 30 and flows through mouth 12, cigarette The liquid rising of oral 12 atomization of spray and the liquid in liquid stream container 10 are moved down into gas appearance under gravity Device 20 heats;
It is formed between the lower wall and gas container of liquid stream container 10 and atomization heating rod 30 is flowed through and put for gas Gas chamber 22 (preferably cylindric spatial shape);
Gas introduction port 21 and smog flow through mouth 12 and penetrate through with gas chamber 22;
The upper end of gas chamber 22 offers the diversion cavity 40 of taper, and the diameter of 40 bottom end of diversion cavity is greater than in diversion cavity 40 The diameter at end, the upper end of diversion cavity 40 flows through mouth 12 with smog and connect, and using the diversion cavity 40 of taper, gas or has been atomized Smog during rising, can be moved up under the guide functions of diversion cavity 40 along the inclined-plane of diversion cavity 40;
The bottom surface of liquid stream container 10 offer it is multiple perforation liquid stream containers 10 lower walls for gas from gas chamber 22 to The bleed passage 13 of the inner space aerial drainage of liquid stream container 10, the lower end of bleed passage 13 and diversion cavity 40 penetrate through.Due to gas After liquid mixing, the liquid close to atomization heating rod 30 is atomized first, and is risen with gas from smog and flowed through the outflow of mouth 12 It enters in liquid stream container 10;And the temperature of the gas liquid mixture far from atomization heating rod 30 in gas chamber 22 lower has little time Atomization, gas individually rises to flow out from bleed passage 13, to reach the effect of gas aerial drainage, while gas is in diversion cavity 40 During inside moving up, fill since smog flows through the smog that the space at mouth 12 has been atomized (mainly by liquid Between gap filling), therefore extra gas can only be discharged from bleed passage 13, and bleed passage 13 can also be used as Liquid is moved to the channel in gas container 20 from liquid stream container 10, increases liquid from liquid stream container 10 and is moved to gas container 20 flow.
Based on above structure, the company of mouth 12 is flowed through by the setting up and down and smog of liquid stream container 10 and gas container 20 Logical to act on, the liquid in liquid stream container 10 passes through smog under gravity and flows through the gas that mouth 12 is moved to gas container 20 In chamber 22 and gas mixing, while the indoor gas-liquid mixture of air chamber is atomized under the action of being atomized heating rod 30 to generate Smog, under the action of the pressure caused by the density variation and external air source equipment A of fluid liquid and smog, smog can be to Upper movement is simultaneously ultimately discharged into pending leakproofness leak detection by smog emission mouth 11 after through the fluid level not being atomized Fluid system in, to determine the sealed thin weakness of system eventually by the leak position and leakage rate of detection smog;Meanwhile When the gas flow imported in gas introduction port 21 is larger, the guiding role of diversion cavity 40 and letting out for bleed passage 13 are utilized Gas effect, extra gas is discharged from gas chamber 22, it is not easy to cause smog to flow through mouth 12, can effectively alleviate because Liquid caused by this gas flow is excessive cannot fall to the situation in gas container 20 from liquid stream container 10, have very strong reality The property used.
If bleed passage 13 is opened in the middle part on the inclined-plane of diversion cavity 40, positioned at bleed passage 13 and smog flow through mouth 12 it Between gas can be moved under the action of diversion cavity 40 at spray oral 12, occupy space herein, influence the rising of smog And discharge, therefore, for the ease of the discharge of excessive gas in gas chamber 22, the bleed passage 13 of the present embodiment is heated around atomization The bottom for being set to liquid stream container 10 in the center ring week of stick 30, the side wall of bleed passage 13 flow through mouth 12 with smog and are connected to.Cause This, the gas for being moved to the upper end of diversion cavity along diversion cavity 40 can be in the top end of diversion cavity (i.e. close to the region that smog rises) Rise along bleed passage 13, to reach the more reasonable effect of gas discharge.
When the flow imported in gas introduction port 21 is excessive, smog flows through the space in mouth 12 and bleed passage 13 by cigarette Mist is full of, in order to guarantee that liquid is smoothly moved in gas container 20 from liquid stream container 10, the liquid stream container 10 of the present embodiment Lower wall on be also provided with for liquid the fluid course 14 being flowed into gas chamber 22 from liquid stream container 10, fluid course 14 Through liquid stream container 10 bottom and connect with the bottom end of diversion cavity 40.Since the bottom end that fluid course 14 is in diversion cavity 40 is Positioned at one end of the separate atomization heating rod 30 of diversion cavity 40, gas, can be along inclined-plane when moving on the inclined-plane of diversion cavity 40 It rises, therefore when the flow of gas is relatively large, it is logical using liquid stream even if gas flows through mouth 12 and bleed passage 13 full of smog Road 14 can also effectively guarantee that liquid is moved in gas container 20 from liquid stream container 10.
Further, in order to more effectively avoid influence of the gas in gas chamber 22 to fluid course 14, diversion cavity 40 are opened on the lower surface of liquid stream container 10, have been upwardly formed a ring around gas chamber 22 on the upper surface of gas container 20 Shape wall 23, fluid course 14 are located at the outside of annular wall 23.Gas is during rising as a result, due to by annular wall 23, It is further to prevent gas mobile towards fluid course 14, to ensure that the circulation of liquid.
The fluid liquid not being atomized is brought into reduce or evade smog to the maximum extent during flowing to be checked Phenomenon in the fluid system of survey improves the accuracy of leak detection and reduces the loss of fluid liquid, the liquid stream container of the present embodiment The liquid barrier 50 above the liquid that one is located in liquid stream container 10 for stopping the liquid not being atomized to rise, cigarette are additionally provided in 10 Spray oral 12 and bleed passage 13 are respectively positioned in the coverage area of liquid barrier 50.In this way, when smog through fluid level and after It is continuous to carry out during rising movement, it will receive the obstruction of liquid barrier 50 to change flow path and make smog around fluid liquid gear Plate 40 is flowed, in the process, be attached to the fluid liquid on smog i.e. can under the occlusion effect of liquid barrier 50 with cigarette Mist is mutually separated and is fallen into fluid level, to guarantee that relatively single smog is discharged into fluid system to be hunted leak.
Further, the gas chamber 22 of the present embodiment is rectangle, the outer circle phase of gas introduction port 21 and gas chamber 22 It cuts.Using the tangent of gas introduction port 21 and gas chamber 22, gas enters gas chamber 22 can be in gas chamber 22 and atomization It is rotated between heating rod 30, further ensures the mobility of gas.
For that can be judged in due course the amount of liquid in liquid stream container 10, held with will pass through pouring orifice 15 to fluid liquid reservoir Fluid liquid is supplemented in device 10, while to realize that pressure detecting and the airtightness detection to device itself create conditions;This implementation The outside of the liquid stream container 10 of example is additionally provided with the liquid level observation of a liquid level for observing the liquid in liquid stream container 10 Pipe 60, the top and bottom of the liquid level observation pipe 60 be connected to liquid stream container 10 bottom end and upper end and with liquid stream hold The internal run-through of device 10.Using level gauging pipe 50 can be used as linker come using, be based on liquid pressure principle, sight can be passed through The liquid level of liquid level observation pipe 60 is surveyed to determine the amount of liquid in liquid stream container 10;Certainly, it can also be filled on liquid stream container 10 simultaneously If pressure-detecting device detects in order to the leakproofness to device itself.
Further, for the ease of the observation to liquid level, the liquid level observation pipe 60 of the present embodiment is by transparent or semitransparent Tubular body structure made of material.
Guarantee that liquid can be in entrance gas chamber 22, gas is sufficiently mixed and is atomized, the present embodiment The atomization highest region of 30 surface temperature of heating rod is located at smog and flows through in mouth 12 or flow through positioned at smog below mouth 12 and close Smog flows through the position of mouth 12.It can guarantee that liquid gas Mixed Zone is located at the region of the maximum table temperature of atomization heating rod 30, with Ensure that fluid liquid is sufficiently heated atomization.
Further, to enhance the guiding role to smog, installing is opposite with smog emission mouth 11 in liquid stream container 10 The smog water conservancy diversion collecting pipe 70 connect;It is offered along the vertical direction on smog water conservancy diversion collecting pipe 70 perpendicular with 11 connection of smog emission mouth It is offered on the peripheral wall of straight hole and smog water conservancy diversion collecting pipe 70 with vertical holes perforation for collecting the circumferential hole of smog.
Regulated and controled in addition, the device of the present embodiment can refer to control system shown in Fig. 7, wherein can introduce gas into Mouthfuls 21 be connected to external air source equipment A (such as air compressor machine or air pump) being arranged on the gas medium pipeline P of docking and are used for It is measured in real time to the thermometer B for assisting the temperature of gas to be measured in real time and for the discharge pressure to auxiliary gas Pressure gauge D, and the regulation using pwm pulse modulator E to the atomization progress heating temperature of heating rod 30.Using in pressure gauge D The variation and size of the pressure of detection, can also be used as the air-tightness for judging external system.
The Spatial General 6 R of gas in the present apparatus refers to, the gap between liquid and liquid, and the gas in the present apparatus The size of flow is for the gas in other fog machines in the art, is based in the gas that can generate smog Flow.Relative in life and production, fog machine generates the gas flow that smog needs and pressure is typically small.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations Technical field, be included within the scope of the present invention.

Claims (9)

1. a kind of smog leakage detection apparatus suitable for big flow gas, it include top be provided with smog emission mouth for storing The liquid stream container of liquid to be atomized, the bottom for being installed in liquid stream container and inner space and the inner space of liquid stream container pass through The logical gas container flowed through for gas, the inside for being placed in gas container and upper end is placed on liquid stream container through liquid stream container Interior is used to heat the liquid gas under admixture to form the atomization heating rod of smog and be used for gas The gas introduction port of gas is imported in body container, the lower wall of the liquid stream container is offered around atomization heating rod to be risen for smog By smog flow through mouth, be formed between the lower wall and gas container of the liquid stream container and atomization flowed through and put for gas The gas chamber of heating rod, the gas introduction port and smog flow through mouth and penetrate through with gas chamber, which is characterized in that the gas The upper end of fluid chamber offers the diversion cavity of taper, and the bottom surface of the liquid stream container offers the lower wall of multiple perforation liquid stream containers The bleed passage of inner space aerial drainage for gas from gas chamber towards liquid stream container, the lower end of the bleed passage with lead Flow chamber perforation.
2. smog leakage detection apparatus as described in claim 1, which is characterized in that the bleed passage is around the center of atomization heating rod The bottom for being set to liquid stream container in ring week, the side wall of the bleed passage flow through mouth with smog and are connected to.
3. smog leakage detection apparatus as described in claim 1, which is characterized in that be also provided with use on the lower wall of the liquid stream container Be flowed into the indoor fluid course of air chamber from liquid stream container in liquid, the fluid course through liquid stream container bottom and with The bottom end of diversion cavity connects.
4. smog leakage detection apparatus as claimed in claim 3, which is characterized in that the diversion cavity is opened in the following table of liquid stream container On face, it is upwardly formed a circle annular wall around gas chamber on the upper surface of the gas container, the fluid course is located at ring The outside of shape wall.
5. smog leakage detection apparatus as described in claim 1, which is characterized in that be additionally provided with one in the liquid stream container and be located at liquid Liquid barrier above liquid in stream container for stopping the liquid not being atomized to rise, the smog flows through mouth and bleed passage is equal In the coverage area of liquid barrier.
6. smog leakage detection apparatus as described in claim 1, which is characterized in that the gas chamber is rectangle, and the gas is led The outer circle of entrance and gas chamber is tangent.
7. smog leakage detection apparatus as described in claim 1, which is characterized in that the outside of the liquid stream container is additionally provided with a use In the liquid level observation pipe of the liquid level of the liquid in observation liquid stream container, the top and bottom of the liquid level observation pipe connect respectively It is connected to bottom end and upper end and the internal run-through with liquid stream container of liquid stream container.
8. smog leakage detection apparatus as claimed in claim 7, which is characterized in that the liquid level observation pipe is by transparent or semitransparent Tubular body structure made of material.
9. such as smog leakage detection apparatus of any of claims 1-8, which is characterized in that atomization heating rod surface temperature It spends highest region and is located at smog and flow through in mouth or flow through positioned at smog the position for flowing through mouth below mouth and close to smog.
CN201910435847.5A 2019-05-23 2019-05-23 Smoke leakage detection device suitable for large-flow gas Active CN110108416B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515676A (en) * 1967-09-18 1970-06-02 Eaton Yale & Towne Oil fog generating device
CN1924418A (en) * 2005-08-30 2007-03-07 刘辉堂 Gas inlet device
US20090255242A1 (en) * 2008-04-09 2009-10-15 Woodward Governor Company Low Pressure Drop Mixer for Radial Mixing of Internal Combustion Engine Exhaust Flows, Combustor Incorporating Same, and Methods of Mixing
CN104245437A (en) * 2012-04-25 2014-12-24 株式会社大赛璐 Gas generator
CN205092223U (en) * 2015-11-11 2016-03-16 北京七星华创电子股份有限公司 Static electrification liquid fog belt cleaning device
CN207056495U (en) * 2017-07-31 2018-03-02 广东大任生物科技有限责任公司 A kind of automatic exhausting equipment of Liqiud-gas mixing device
CN207964196U (en) * 2018-04-03 2018-10-12 北京汽车研究总院有限公司 A kind of vehicle and smoke generating device
CN208187625U (en) * 2018-06-04 2018-12-04 西安建筑科技大学 Anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement
CN109470420A (en) * 2018-11-26 2019-03-15 惠州和创智造科技有限公司 A kind of fluid system air-tightness smog leakage detection apparatus
CN109789283A (en) * 2016-07-21 2019-05-21 莱战略控股公司 With aerosol delivery device and correlation technique including porous unitarily formed monoblock type reservoir and liquid transfer element

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515676A (en) * 1967-09-18 1970-06-02 Eaton Yale & Towne Oil fog generating device
CN1924418A (en) * 2005-08-30 2007-03-07 刘辉堂 Gas inlet device
US20090255242A1 (en) * 2008-04-09 2009-10-15 Woodward Governor Company Low Pressure Drop Mixer for Radial Mixing of Internal Combustion Engine Exhaust Flows, Combustor Incorporating Same, and Methods of Mixing
CN104245437A (en) * 2012-04-25 2014-12-24 株式会社大赛璐 Gas generator
CN205092223U (en) * 2015-11-11 2016-03-16 北京七星华创电子股份有限公司 Static electrification liquid fog belt cleaning device
CN109789283A (en) * 2016-07-21 2019-05-21 莱战略控股公司 With aerosol delivery device and correlation technique including porous unitarily formed monoblock type reservoir and liquid transfer element
CN207056495U (en) * 2017-07-31 2018-03-02 广东大任生物科技有限责任公司 A kind of automatic exhausting equipment of Liqiud-gas mixing device
CN207964196U (en) * 2018-04-03 2018-10-12 北京汽车研究总院有限公司 A kind of vehicle and smoke generating device
CN208187625U (en) * 2018-06-04 2018-12-04 西安建筑科技大学 Anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement
CN109470420A (en) * 2018-11-26 2019-03-15 惠州和创智造科技有限公司 A kind of fluid system air-tightness smog leakage detection apparatus

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