CN107328580A - A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER - Google Patents
A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER Download PDFInfo
- Publication number
- CN107328580A CN107328580A CN201710601741.9A CN201710601741A CN107328580A CN 107328580 A CN107328580 A CN 107328580A CN 201710601741 A CN201710601741 A CN 201710601741A CN 107328580 A CN107328580 A CN 107328580A
- Authority
- CN
- China
- Prior art keywords
- end cap
- combustion chamber
- constant volume
- volume model
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it includes：Flange end cap, it is fixed on the side wall of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER and corresponding with window；Flange end cap is inwardly convexly equipped with an inlay card in the boss in window, and flange end cap is provided with an end cap through hole, and the inner of end cap through hole is provided with a First terrace；Vitreum, it is installed in end cap through hole, and First terrace is acted against on the inner face of vitreum；And external pressure plate, it is fixed in flange end cap and is covered on the outer end of ending cover hole, and external pressure plate is provided with the platen through hole of an outer face for being less than vitreum, and the outer face of vitreum is acted against on the inner face of external pressure plate.The present invention is clamped fixation by external pressure plate and First terrace to vitreum, thus avoid expanded because bolt is arranged in cylinder body, burn into gets rusty and loosened and causes quartzy glass body glass frangible and the not good phenomenon of sealing.
Description
Technical field
The present invention relates to CONSTANT VOLUME MODEL COMBUSTION CHAMBER field, a kind of more particularly to optic visualization for CONSTANT VOLUME MODEL COMBUSTION CHAMBER is close
Seal window.
Background technology
CONSTANT VOLUME MODEL COMBUSTION CHAMBER it is simple in construction, it is easy to process, more and more used by numerous scientific research personnel and scholar
To simulate IC engine cylinder combustion process.CONSTANT VOLUME MODEL COMBUSTION CHAMBER is usually the working condition for being used for simulating internal combustion engine near top dead center
With the both macro and micro characteristic of research spraying.Cylinder temperature is high during burning, and pressure is big, can be clear by the candid photograph of high-speed motion picture camera
Observe to Chu its internal flame and combustion case.Therefore, burning feelings of the design of CONSTANT VOLUME MODEL COMBUSTION CHAMBER for research internal combustion engine
The spray characteristics of condition and fuel injector are significant.
Current CONSTANT VOLUME MODEL COMBUSTION CHAMBER typically offers two to three silica glass windows, and glass is pacified between being contacted with metal
Equipped with gasket seal and scribble fluid sealant.Glass is pressed on inside flange end cap by back-up ring, and back-up ring is consolidated by bolt
It is scheduled on flange end cap sealing surface, then is fixed by the bolt in flange end cap and cylinder body.But, it is this to install and close
There is following several problems in envelope mode：First, pretension bolt is also installed on the opposite side back-up ring of flange end cap, back-up ring during installation
With pretension bolt inside CONSTANT VOLUME MODEL COMBUSTION CHAMBER, maximum temperature can reach 1000K during due to in-cylinder combustion, and installation bolt is heated swollen
It is swollen to be easy to produce the pretightning force of tension and crush glass；Secondly, bolt is often leaked in high temperature and high pressure environment cruelly, through it is long when
Between high-temperature high-pressure work environment under conditions of the burn into of bolt can be caused to get rusty and loosen, due to bolt be arranged on burning fill
Inside is put, so needing dismounting hermetyic window to fasten, often dismounting is unfavorable to the sealing of whole device, can also cause glass
It is broken；In addition, visual window sealing surface is directly contacted with cylinder body, because two contact surfaces have certain unevenness and roughness,
Gas leakage can be produced under certain pressure.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, so as to overcome existing
The glass of some CONSTANT VOLUME MODEL COMBUSTION CHAMBERs is easily broken and the not good shortcoming of window aperture seal.
To achieve the above object, the invention provides a kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, its
In, including：Flange end cap, its be fixed on the side wall of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER and with the window of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER
Mouth correspondence；The flange end cap is inwardly convexly equipped with an inlay card in the boss in the window, and the flange end cap is provided with an end cap
Through hole, the inner of the end cap through hole is provided with a First terrace；Vitreum, it is installed in the end cap through hole, and institute
First terrace is stated to act against on the inner face of the vitreum；And external pressure plate, it, which is fixed in the flange end cap and covered, sets
In the outer end of the ending cover hole, the external pressure plate is provided with the platen through hole of an outer face for being less than the vitreum, and the glass
The outer face of glass body is acted against on the inner face of the external pressure plate.
Preferably, in above-mentioned technical proposal, the mode that the flange end cap is bolted is fixed on constant volume burning dress
On the side wall for the cylinder body put, and the mode that the external pressure plate is bolted is fixed in the flange end cap.
Preferably, in above-mentioned technical proposal, one is folded between the inner face of the vitreum and the First terrace
First asbestos washer.
Preferably, in above-mentioned technical proposal, the outer end of the end cap through hole is provided with a second step face, the external pressure plate
The outer end of the end cap through hole is sheathed on, and the second step face is acted against on the inner face of the external pressure plate.
Preferably, in above-mentioned technical proposal, one is folded between the inner face of the external pressure plate and the second step face
Second asbestos washer and a silica gel pad, second asbestos washer is located at inner side and the silica gel pad is located at outside.
Preferably, in above-mentioned technical proposal, the inner of the window is provided with one the 3rd step surface, the 3rd step surface
On the inner face for acting against the boss.
Preferably, in above-mentioned technical proposal, a gold medal is folded between the inner face of the boss and the 3rd step surface
Belong to paddle pad.
Preferably, in above-mentioned technical proposal, the centre of the metal paddle pad is convexly equipped with one and the 3rd step
The corresponding sealing ring in face.
Compared with prior art, the present invention has the advantages that：
1st, flange end cap of the invention is fixed on the side wall of cylinder body and external pressure plate is fixed in flange end cap, and both install
Direction is consistent, and fixation is clamped by external pressure plate and First terrace to vitreum, and unloading process need not can be torn open
Vitreum is unloaded, is loaded and unloaded and easy to maintenance, solving glass, frequently dismounting causes the sealing problem of glass and asking for being easily broken
Topic.
2nd, the present invention can avoid due to bolt be arranged on be exposed in cylinder body in high temperature and high pressure environment expand, it is rotten
Lose, get rusty and loosen and cause vitreum frangible and the not good phenomenon of sealing, so as to ensure the service life of vitreum with
And guarantee is to the sealing of window.
3rd, the present invention sets up phase by setting First terrace, second step face, the 3rd step surface, and in corresponding position
The pad answered, so as to improve the sealing property of window, and greatly mitigates the impulsive force in the cylinder that glass is subject to.
4th, the present invention has universal applicability, and the constant volume burning research for gasoline engine and diesel engine can be used.
Brief description of the drawings
Fig. 1 is the structure after being installed on according to the present invention for the optic visualization hermetyic window of CONSTANT VOLUME MODEL COMBUSTION CHAMBER on cylinder body
Schematic diagram.
Fig. 2 is the axial sectional view of the flange end cap according to the present invention.
Fig. 3 is the three-dimensional exploded view for the optic visualization hermetyic window of CONSTANT VOLUME MODEL COMBUSTION CHAMBER according to the present invention.
Fig. 4 is the structural representation of the metal paddle pad according to the present invention.
Fig. 5 is the axial sectional view of the metal paddle pad according to the present invention.
Main Reference Numerals explanation：
1- cylinder bodies, 11- windows, the step surfaces of 12- the 3rd；2- flange end caps, 21- boss, 22- end cap through holes, 23- Firsts
Terrace, 24- second steps face；3- vitreums；4- external pressure plates, 41- platen through holes；5- bolts, the asbestos washers of 6- first；7- second
Asbestos washer；8- silica gel pads；9- metal paddle pads, 91- sealing rings.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Fig. 1 to Fig. 5 shows a kind of optical visible for CONSTANT VOLUME MODEL COMBUSTION CHAMBER according to the preferred embodiment of the present invention
Change the structural representation of hermetyic window, the optic visualization hermetyic window for being used for CONSTANT VOLUME MODEL COMBUSTION CHAMBER includes flange end cap 2, vitreum
3 and external pressure plate 4, referring to figs. 1 to Fig. 3, flange end cap 2 is fixed on the side wall of the cylinder body 1 of CONSTANT VOLUME MODEL COMBUSTION CHAMBER and and constant volume
The correspondence of window 11 of the cylinder body 1 of burner；Flange end cap 2 is inwardly convexly equipped with an inlay card in the boss 21 in window 11, boss
21 and flange end cap 2 outer end be it is cylindric so that flange end cap 2 it is overall be in " T " shape cylinder table, flange end cap 2
When being fixed on the side wall of cylinder body 1, its circular bead surface is fitted on the wall of side.The material of flange end cap 2 is No. 45 steel, surface roughness
For 3.2 μm, to meet the requirement of certain machining accuracy, and the surface of the window 11 of cylinder body 1 carries out chromium plating process to prevent from getting rusty.
Preferably, the inner of window 11 is provided with one the 3rd step surface 12, that is, window 11 forms step surface for one in the inner
Shoulder hole.3rd step surface 12 is acted against on the inner face of boss 21, and the 3rd step surface 12 is spacing for being carried out to boss 21.Enter
One step preferably, is folded with a metal paddle pad 9, metal paddle between the inner face of boss 21 and the 3rd step surface 12
Pad 9 can play a part of pressure-resistant, sealing and damping.With reference to Fig. 4 and Fig. 5, still further preferably, metal paddle pad
9 centre is convexly equipped with one and the corresponding sealing ring 91 of the 3rd step surface 12, and sealing ring 91 is inwardly projecting arc convex, is installed
When, the inner face of boss 21, which compresses the sealing ring 91 of metal paddle pad 9, to be fitted on the 3rd step surface 12, so as to enter one
Step ensures to form good sealing between the 3rd step surface 12 and the inner face of boss 21, with overall raising flange end cap 2 and cylinder
Sealing between the window of body 1.
With continued reference to Fig. 1 to Fig. 3, flange end cap 2 is provided with an end cap through hole 22, and the inner of end cap through hole 22 is provided with one
First terrace 23, that is, end cap through hole 22 forms the shoulder hole of a step surface for one in the inner.Vitreum 3 is cylindric
Quartz glass, vitreum 3 is installed in end cap through hole 22, and First terrace 23 is acted against on the inner face of vitreum 3, from
And spacing and sealing is carried out to vitreum 3 by First terrace 23.Preferably, the inner face of vitreum 3 and First terrace 23
Between be folded with inside and outside one first asbestos washer 6, the first asbestos washer 6 and scribble fluid sealant, to improve sealing property.
With continued reference to Fig. 1 to Fig. 3, external pressure plate 4 is fixed in flange end cap 2 and is covered on the outer end of ending cover hole 22, external pressure
Disk 4 is provided with the platen through hole 22 of an outer face for being less than vitreum 3, and the outer face of vitreum 3 acts against the interior of external pressure plate 4
On end face.After external pressure plate 4 is fixed, just vitreum 3 can be fixed and by external pressure plate 4 and First terrace 23 by pressing
Disk through hole 22 need to only remove the entirety of flange end cap 2 from window 11 to being observed in cylinder body 1, and during dismounting, without
Vitreum 3 and external pressure plate 4 must be removed.Preferably, the mode that flange end cap 2 is bolted is fixed on constant volume burning dress
On the side wall for the cylinder body 1 put, flange end cap 2 outer end by 6 bolts 5 being distributed in same even circumferential be fixed on cylinder body
On 1 side wall.And the mode that external pressure plate 4 is bolted is fixed in flange end cap 2, external pressure plate 4 passes through in same circumference
Equally distributed 10 bolts 5 are fixed in flange end cap 2.It is further preferred that the outer end of end cap through hole 22 is provided with one
Two step surfaces 24, external pressure plate 4 is sheathed on the outer end of end cap through hole 22, and second step face 24 acts against the inner face of external pressure plate 4
On, the outer face of external pressure plate 4 is concordant with the outer face of flange end cap 2.Still further preferably, the inner face of external pressure plate 4 and
It is folded with one second asbestos washer 7 and a silica gel pad 8 between two step surfaces 24, the second asbestos washer 7 is located at inner side with the
Two step surfaces 24 are contacted, and silica gel pad 8 is contacted positioned at outside with the inner face with external pressure plate 4, and the second asbestos washer 7 is used to carry
High leakproofness, silica gel pad 8 can reduce the pressure that external pressure plate 4 is applied on vitreum 3, and can be anti-back and forth in cushion dashpot
The shock wave penetrated.
The optic visualization hermetyic window of the volume fixing device of the present invention makes as follows with installation step：
Step one：Flange end cap 2 and external pressure plate 4 are processed from No. 45 steel, it is ensured that surface roughness is 3.2 μm；And
Installed at the First terrace 23 of flange end cap 2 inside and outside first asbestos washer 6, the first asbestos washer 6 and scribble fluid sealant；
Step 2：End cap through hole 22 toward flange end cap 2 is embedded in vitreum 3, it is ensured that the surface of vitreum 3 is smooth clean,
The end cap through hole 22 of flange end cap 2 will also ensure cleaning free from dust, ensure that vitreum 3 is slowly put into end cap through hole vertically during installation
In 22, until being contacted with the first asbestos washer 6 on First terrace 23, the outer face of vitreum 3 will be with end cap through hole 22
Outer face maintains an equal level, it is impossible to have the part of protrusion；
Step 3：Second asbestos washer 7 and silica gel pad 8 are installed at the second step face 24 of flange end cap 2, and outer
Platen 4 is arranged in flange end cap 2, with pressed glass body 3, and the second asbestos washer 7 and silica gel pad 8 are pressed by external pressure plate 4
Tightly in second step face 24；When external pressure plate 4 is installed, all bolts 5 symmetrically should be tightened gradually, and the bolt on external pressure plate 4 is twisted
60N is not to be exceeded in clamp force square, and ensures that the screw-down torque of each bolt 5 is the same；
Step 4：Ensure the cleaning free from dust of window 11 of cylinder body 1, and the installation metal paddle pad on the 3rd step surface 12
Piece 9, is slowly inserted into the boss 21 of flange end cap 2 in window 11, boss 21 presses metal paddle pad 9, and makes vertically
The sealing ring 91 of metal paddle pad 9 is fitted on the 3rd step surface 12, and symmetrically tightens the bolt 5 in flange end cap 2.
The flange end cap 2 of the present invention is fixed on the side wall of cylinder body 1 and external pressure plate 4 is fixed in flange end cap 2, Liang Zhean
Fill direction consistent, and fixation is clamped to vitreum 3 by external pressure plate 4 and First terrace 23, unloading process can be not required to
Vitreum 3 is dismantled, is loaded and unloaded and easy to maintenance, solving glass, frequently dismounting causes the sealing problem of glass and is easily broken
The problem of.The present invention can avoid due to bolt 5 be arranged on cylinder body 1 in be exposed to high temperature and high pressure environment in expand, burn into
Get rusty and loosen and cause vitreum 3 frangible and seal not good phenomenon, so as to ensure vitreum 3 service life and
Ensure the sealing to window 11.The present invention has universal applicability, and the constant volume burning for gasoline engine and diesel engine is studied
It can use.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that including：
Flange end cap, its be fixed on the side wall of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER and with the window pair of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER
Should；The flange end cap is inwardly convexly equipped with an inlay card in the boss in the window, and the flange end cap is provided with an end cap through hole,
The inner of the end cap through hole is provided with a First terrace；
Vitreum, it is installed in the end cap through hole, and the First terrace is acted against on the inner face of the vitreum；With
And
External pressure plate, it is fixed in the flange end cap and is covered on the outer end of the ending cover hole, and it is small that the external pressure plate is provided with one
Platen through hole in the outer face of the vitreum, and the outer face of the vitreum acted against on the inner face of the external pressure plate.
2. the optic visualization hermetyic window according to claim 1 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that the method
The mode that blue end cap is bolted is fixed on the side wall of the cylinder body of CONSTANT VOLUME MODEL COMBUSTION CHAMBER, and the external pressure plate passes through bolt
The mode of connection is fixed in the flange end cap.
3. the optic visualization hermetyic window according to claim 2 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that the glass
One first asbestos washer is folded between the inner face of glass body and the First terrace.
4. the optic visualization hermetyic window according to claim 1 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that the end
The outer end of lid through hole is provided with a second step face, and the external pressure plate is sheathed on the outer end of the end cap through hole, and described second
Step surface is acted against on the inner face of the external pressure plate.
5. the optic visualization hermetyic window according to claim 4 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that described outer
One second asbestos washer and a silica gel pad, second asbestos are folded between the inner face of platen and the second step face
Pad is located at inner side and the silica gel pad is located at outside.
6. the optic visualization hermetyic window according to claim 1 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that the window
The inner of mouth is provided with one the 3rd step surface, and the 3rd step surface is acted against on the inner face of the boss.
7. the optic visualization hermetyic window according to claim 6 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that described convex
A metal paddle pad is folded between the inner face of platform and the 3rd step surface.
8. the optic visualization hermetyic window according to claim 7 for CONSTANT VOLUME MODEL COMBUSTION CHAMBER, it is characterised in that the gold
The centre of category paddle pad is convexly equipped with a sealing ring corresponding with the 3rd step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601741.9A CN107328580A (en) | 2017-07-21 | 2017-07-21 | A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601741.9A CN107328580A (en) | 2017-07-21 | 2017-07-21 | A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328580A true CN107328580A (en) | 2017-11-07 |
Family
ID=60199648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710601741.9A Pending CN107328580A (en) | 2017-07-21 | 2017-07-21 | A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940576A (en) * | 2019-12-05 | 2020-03-31 | 中国航发四川燃气涡轮研究院 | Optical observation window capable of being used in high-temperature and high-pressure environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120317956A1 (en) * | 2011-06-20 | 2012-12-20 | Streamline Automation, Llc | Constant Volume Combustion Chamber |
| CN103267120A (en) * | 2013-05-10 | 2013-08-28 | 天津大学 | High temperature and high pressure sealing window used for constant volume combustion bomb |
| CN103278331A (en) * | 2013-05-10 | 2013-09-04 | 天津大学 | Constant volume combustion device for observing mutual effect of flame and pressure wave |
| CN104330263A (en) * | 2014-10-24 | 2015-02-04 | 奇瑞汽车股份有限公司 | Constant volume bomb window |
| CN204203183U (en) * | 2014-11-20 | 2015-03-11 | 武汉理工大学 | Spark electrode clearance adjustable type CONSTANT VOLUME MODEL COMBUSTION CHAMBER |
| CN204788958U (en) * | 2015-03-27 | 2015-11-18 | 天津大学 | Constant volume burning bullet system of simulation motor burning |
-
2017
- 2017-07-21 CN CN201710601741.9A patent/CN107328580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120317956A1 (en) * | 2011-06-20 | 2012-12-20 | Streamline Automation, Llc | Constant Volume Combustion Chamber |
| CN103267120A (en) * | 2013-05-10 | 2013-08-28 | 天津大学 | High temperature and high pressure sealing window used for constant volume combustion bomb |
| CN103278331A (en) * | 2013-05-10 | 2013-09-04 | 天津大学 | Constant volume combustion device for observing mutual effect of flame and pressure wave |
| CN104330263A (en) * | 2014-10-24 | 2015-02-04 | 奇瑞汽车股份有限公司 | Constant volume bomb window |
| CN204203183U (en) * | 2014-11-20 | 2015-03-11 | 武汉理工大学 | Spark electrode clearance adjustable type CONSTANT VOLUME MODEL COMBUSTION CHAMBER |
| CN204788958U (en) * | 2015-03-27 | 2015-11-18 | 天津大学 | Constant volume burning bullet system of simulation motor burning |
Non-Patent Citations (1)
| Title |
|---|
| 蒋晟龙: "高增压直喷汽油机相似条件下汽油多段喷射喷雾特性研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940576A (en) * | 2019-12-05 | 2020-03-31 | 中国航发四川燃气涡轮研究院 | Optical observation window capable of being used in high-temperature and high-pressure environment |
| CN110940576B (en) * | 2019-12-05 | 2023-03-07 | 中国航发四川燃气涡轮研究院 | Optical observation window capable of being used in high-temperature and high-pressure environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6036194A (en) | Combustion gas seal for an internal combustion engine | |
| CN102128720A (en) | Self-tightening sealed optical glass window of constant volume bomb | |
| WO1998011365A9 (en) | Combustion gas seal for an internal combustion engine | |
| CN107328580A (en) | A kind of optic visualization hermetyic window for CONSTANT VOLUME MODEL COMBUSTION CHAMBER | |
| CN109026445B (en) | Multi-nozzle solid attitude control engine blanking cover structure | |
| CN108798735A (en) | A kind of device and method using successively metachromatic principle monitoring unidirectional force | |
| CN104330263B (en) | A kind of constant volume bullet form | |
| CN111350579A (en) | High-temperature sealing structure of engine exhaust pipe | |
| CN108050256B (en) | Large-clearance compensation type sealing device for high-temperature and high-pressure kettle | |
| CN217177378U (en) | C-shaped combined sealing ring | |
| CN209821052U (en) | High-temperature and high-pressure resistant closed container | |
| CN108825897A (en) | A kind of double containment hydraulic joint device of band monitoring | |
| CN108169031A (en) | A kind of petroleum pipe high temperature and pressure three-point bending pressure kettle device | |
| CA2067393A1 (en) | Cylinder head/cylinder sealing device for a reciprocating pressurized gas machine | |
| CN207538937U (en) | A kind of engine cylinder ring and engine with double limiting layers | |
| CN213089456U (en) | Breakage-proof flow observation sight glass | |
| CN211116366U (en) | Backing ring for sealing oil sprayer | |
| CN217059174U (en) | Experimental frock of disk seat sealing performance of breathing method assembly | |
| CN210180606U (en) | Sealing test device of casing head body | |
| CN2576967Y (en) | High-medium pressure and labyrinth casing and installation ring structure for steam turbine | |
| CN220204665U (en) | Double main lip combined oil seal | |
| CN205748520U (en) | A kind of fuel-quantity transducer mounting disc assembly | |
| CN212296646U (en) | Sand prevention card formula piston assembly | |
| CN110953087B (en) | Sealing assembly and optical engine | |
| CN210953251U (en) | Radial hole pressure test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171107 |