CN206988470U - A kind of electric control valve door - Google Patents
A kind of electric control valve door Download PDFInfo
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- CN206988470U CN206988470U CN201720334125.7U CN201720334125U CN206988470U CN 206988470 U CN206988470 U CN 206988470U CN 201720334125 U CN201720334125 U CN 201720334125U CN 206988470 U CN206988470 U CN 206988470U
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Abstract
The utility model discloses a kind of electric control valve door, including magnetic valve and pneumatic operated valve, magnetic valve includes the second gas outlet, second air inlet, exhaust outlet, pneumatic operated valve includes valve body, at least two first cavitys and second cavity are set on valve body, secondary end cap is fixedly connected with the top of first cavity, secondary end cap is slidably connected auxiliary valve rod, auxiliary spring is set between secondary end cap and auxiliary valve rod, auxiliary valve rod and the first cavity are in close contact, first cavity sets the first liquid outlet, first cavity sets the first inlet, a straight-bar is fixedly connected with the top of multiple auxiliary valve rods, straight-bar is fixedly connected with main valve stem, main valve stem is slidably connected main side lid, main side lid is fixedly connected with the second cavity, main spring is set between main side lid and main valve stem, main valve stem and the second cavity are in close contact, main valve stem and the second cavity form pneumatic cavity, pneumatic cavity connects the second gas outlet.Beneficial effect of the present utility model：Response time is fast, oxidant is connected with incendiary agent and turn-off time uniformity is good.
Description
Technical field
Valve technology field is the utility model is related to, it particularly relates to a kind of electric control valve door.
Background technology
In the rail control of existing aerospace system and attitude control engine design, usually using the combustion of two solenoid valve control engines
The opening and closing of material and oxidant, to directly requiring very high with engine connecting valve response time and operating sensitivity, with
The thrust of controllable precise is produced, realizes the track and gesture stability of aircraft, the program is to the uniformity of two magnetic valves and dynamic
Make sensitivity requirements harshness, to meet the action consistency of valve and sensitivity requirements, it usually needs magnetic valve is screened,
Pick out qualified auxiliary products to be supported the use, add the development cost of product, and the maintenance to product is brought not
Good influence.
The problem of in correlation technique, effective solution is not yet proposed at present.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of electric control valve door, the response time is fast,
It is good that oxidant and fuel open and close uniformity.
To realize above-mentioned technical purpose, what the technical solution of the utility model was realized in：
A kind of electric control valve door, including magnetic valve and pneumatic operated valve, the magnetic valve include the second gas outlet, and described second goes out
Gas port selectively the second air inlet of connection or exhaust outlet, the pneumatic operated valve include valve body, at least two are provided with the valve body
First cavity and second cavity, secondary end cap each is fixedly connected with the top of first cavity, each secondary end
Lid is slidably connected in the middle part of an auxiliary valve rod, is set between the secondary end cap bottom and the auxiliary valve rod bottom in same cavity
Auxiliary spring is equipped with, each bottom of the bottom of the auxiliary valve rod with first cavity is in close contact, each first chamber
Body is provided with the first liquid outlet in the position of the auxiliary valve rod bottom part down, is respectively provided with the side wall of each first cavity
There is the first inlet, a straight-bar is fixedly connected with the top of multiple auxiliary valve rods, the straight-bar is also fixedly connected at the top of main valve stem,
Main side lid is slidably connected in the middle part of the main valve stem, the main side lid is fixedly connected on the top of second cavity, the master
Main spring, the bottom of the main valve stem and second cavity are provided between the bottom of end cap and the bottom of the main valve stem
Side wall is in close contact, and pneumatic cavity is formed between the bottom of the main valve stem and the bottom of second cavity, described pneumatic
Chamber connects the second gas outlet on the magnetic valve.
Further, the magnetic valve includes electromagnetic valve body, and the electromagnetic valve body slidably connects armature, the rank
The bottom of iron is fixedly connected with the top of valve living by the magnetic valve valve rod being fixedly connected, and the electromagnetic valve body is in the armature
Top is fixedly connected with electromagnet, and compression spring is provided between the bottom of the electromagnet and the top of the armature, described
The bottom of electromagnetic valve body is fixedly connected with valve seat, and the valve seat is connected by through hole with the magnetic valve valve stem slides, described
The bottom of valve seat is provided with cavity, is provided with gap between the side wall of the cavity and the valve living, in the side wall of the cavity
The second gas outlet is provided with, the bottom of the cavity is fixedly connected with magnetic valve pressure inlet, the top of the magnetic valve pressure inlet
It is in close contact with the bottom of the valve living, and the magnetic valve pressure inlet is provided with the in the position of the valve bottom part down living
Two air inlets, be provided with exhaust outlet on the hole wall of the through hole, be provided with the magnetic valve valve rod can make the exhaust outlet with
The groove that the cavity of the valve seat is connected.
Further, the top and bottom of the valve living are inlaid with working of plastics.
Further, first inlet is communicated with pneumatic operated valve pressure inlet, and the pneumatic operated valve pressure inlet is consolidated by screw
Surely it is connected on the valve body.
Further, the straight-bar is connected with the top of the auxiliary valve rod and the screw top of main valve stem respectively, and institute
State the fuse that the auxiliary valve rod and main valve stem are provided through on straight-bar.
Further, the magnetic valve is fixedly connected with pneumatic operated valve by screw.
Further, between the side wall of the bottom of the main valve stem and second cavity and the auxiliary valve rod bottom
O-ring is provided between the side wall of first cavity.
Further, the valve body is provided with sealing between the secondary end cap, main side lid and pneumatic operated valve pressure inlet respectively
Circle.
Further, one of them described first liquid outlet is connected with engine oxidant inlet, and another described
One liquid outlet is connected with engine combustion agent entrance.
The beneficial effects of the utility model：Using magnetic valve by the way of pneumatic operated valve is combined, propellant can be quickly controlled
Connection and disconnection, there is the characteristics of response time is fast, oxidant connects with incendiary agent and turn-off time uniformity is good, can be
Rail, the break-make of attitude control engine propellant provide accurate control.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the electric control valve door according to the utility model embodiment；
Fig. 2 is the structural representation of the magnetic valve according to Fig. 1；
Fig. 3 is the structural representation of the pneumatic operated valve according to Fig. 1.
In figure：
1st, valve body；2nd, secondary end cap；3rd, auxiliary spring；4th, auxiliary valve rod；5th, main valve stem；6th, main spring；7th, the first liquid outlet；8th,
One inlet；9th, pneumatic cavity；10th, main side lid；11st, straight-bar；12nd, pneumatic operated valve pressure inlet；13rd, fuse；14th, pneumatic operated valve；15th, it is electric
Magnet valve；16th, electromagnet；17th, compression spring；18th, armature；19th, valve seat；20th, valve living；21st, magnetic valve pressure inlet；22nd, second goes out
Gas port；23rd, the second air inlet；24th, exhaust outlet；25th, magnetic valve valve rod.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
As Figure 1-3, a kind of electric control valve door according to the utility model embodiment, including magnetic valve 15 are gentle
Dynamic valve 14, the magnetic valve 15 include the second gas outlet 22, the selectivity of the second gas outlet 22 connect the second air inlet 23 or
Exhaust outlet 24, the pneumatic operated valve 14 include valve body 1, at least two first cavitys and second chamber are provided with the valve body 1
Body, secondary end cap 2 has been fixedly connected with the top of each first cavity, each secondary end cap 2 is slidably connected a secondary valve
In the middle part of bar 4, auxiliary spring 3 is provided between the secondary bottom of end cap 2 and the bottom of the auxiliary valve rod 4 in same cavity, often
The bottom of the individual auxiliary valve rod 4 and the bottom of first cavity are in close contact, and each first cavity is in the auxiliary valve rod 4
The position of bottom part down is provided with the first liquid outlet 7, and the first inlet is provided with the side wall of each first cavity
8, the top of multiple auxiliary valve rods 4 is fixedly connected with a straight-bar 11, and the straight-bar 11 is also fixedly connected with the top of main valve stem 5, described
The middle part of main valve stem 5 slidably connects main side lid 10, and the main side lid 10 is fixedly connected on the top of second cavity, the master
Main spring 6, the bottom of the main valve stem 5 and described second are provided between the bottom of end cap 10 and the bottom of the main valve stem 5
The side wall of cavity is in close contact, and pneumatic cavity 9 is formed between the bottom of the main valve stem 5 and the bottom of second cavity,
The pneumatic cavity 9 connects the second gas outlet 22 on the magnetic valve 15.
In a specific embodiment of the present utility model, the magnetic valve 15 includes electromagnetic valve body, the magnetic valve
Valve body slides are connected with armature 18, and the bottom of the armature 18 is fixedly connected with valve 20 living by the magnetic valve valve rod 25 being fixedly connected
Top, the electromagnetic valve body is fixedly connected with electromagnet 16, the bottom of the electromagnet 16 in the top of the armature 18
Compression spring 17 is provided between the top of the armature 18, the bottom of the electromagnetic valve body is fixedly connected with valve seat 19,
The valve seat 19 is slidably connected by through hole and the magnetic valve valve rod 25, and the bottom of the valve seat 19 is provided with cavity, described
Gap is provided between the side wall of cavity and the valve living 20, the second gas outlet 22 is provided with the side wall of the cavity, it is described
The bottom of cavity is fixedly connected with magnetic valve pressure inlet 21, the top of the magnetic valve pressure inlet 21 and the bottom of the valve 20 living
It is in close contact, and the magnetic valve pressure inlet 21 is provided with the second air inlet 23 in the position of the bottom part down of valve 20 living,
Exhaust outlet 24 is provided with the hole wall of the through hole, be provided with the magnetic valve valve rod 25 can make the exhaust outlet 24 with it is described
The groove that the cavity of valve seat 19 is connected.
In a specific embodiment of the present utility model, the top and bottom of the valve 20 living are inlaid with working of plastics.
In a specific embodiment of the present utility model, first inlet 8 is communicated with pneumatic operated valve pressure inlet 12, institute
Pneumatic operated valve pressure inlet 12 is stated to be fixedly connected on the valve body 1 by screw.
In a specific embodiment of the present utility model, the straight-bar 11 top with the auxiliary valve rod 4 and master respectively
The screw top connection of valve rod 5, and the fuse 13 of the auxiliary valve rod 4 and main valve stem 5 is provided through on the straight-bar 11.
In a specific embodiment of the present utility model, the magnetic valve 15 and pneumatic operated valve 14 are fixed by screw to be connected
Connect.
In a specific embodiment of the present utility model, the bottom of the main valve stem 5 and the side wall of second cavity
Between and the bottom of the auxiliary valve rod 4 and the side wall of first cavity between be provided with O-ring.
In a specific embodiment of the present utility model, the valve body 1 respectively with the secondary end cap 2, main side lid 10 and
Sealing ring is provided between pneumatic operated valve pressure inlet 12.
In a specific embodiment of the present utility model, one of them described first liquid outlet enters with engine oxidant
Mouth is connected, and another described first liquid outlet is connected with engine combustion agent entrance.
In order to facilitate above-mentioned technical proposal of the present utility model is understood, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
The mode described in the utility model that is fixedly connected can use the conventional technical means such as welding, threaded connection to replace, and slide
Connected mode can use the conventional technical means such as linear bearing, socket to replace.
Electric control valve door described in the utility model is by magnetic valve 15（Two-bit triplet）Formed with pneumatic operated valve 14, magnetic valve 15
It is installed on by screw on the valve body 1 of pneumatic operated valve 14.Magnetic valve 15 is by electromagnet 16, compression spring 17, valve seat 19, magnetic valve valve
Bar 25, the composition such as valve 20 and magnetic valve pressure inlet 21 living, magnetic valve valve rod 25 are slidably connected with the through hole on valve seat 19, valve 20 living
Bottom and top be inlaid with working of plastics, for realize seal, in the case where being not powered on, applied by compression spring 17
Power can make the to live working of plastics of the bottom of valve 20 contacts with the tight of magnetic valve pressure inlet 21, so as to by the second air inlet 23 and the
Two gas outlets 22, exhaust outlet 24 separate, and exhaust outlet 24 is realized with the second gas outlet 22 and connected；When being powered to magnetic valve 15, electricity
Magnet 16 produces suction by 18 upward adhesive of armature, and drives valve 20 living to move upwards, and the working of plastics at the top of valve 20 that makes to live is blocked
Through hole on valve seat 19, exhaust outlet 24 and the second air inlet 23 are separated, and the second air inlet 23 and the second gas outlet 22 are realized
Connection.
Pneumatic operated valve 14 is by valve body 1, secondary end cap 2, auxiliary spring 3, auxiliary valve rod 4, main valve stem 5, main spring 6, O-ring, main side lid
10th, straight-bar 11, fuse 13, pneumatic operated valve pressure inlet 12, screw composition, main side lid 10 and two secondary end caps 2 are installed by screw thread
In on valve body 1, and pass through O-ring end face seal.Main valve stem 5 passes through main side lid 10, and the top of main valve stem 5 is provided with threaded connection
Portion is used to be connected to straight-bar 11, and main spring 6 is controlled by the distance between the bottom of control bound bar 5 and the bottom of main side lid 10
Decrement, main valve stem 5 is installed in the presence of main spring 6 and threaded joints in the second cavity of valve body 1, main side lid
10 and main valve stem 5 be designed as T-shaped ledge structure, for the moving displacement amount of control bound bar 5, the bottom of main valve stem 5 and second
O-ring is provided between the side wall of cavity, for realizing the sealing between pneumatic cavity 9 and the cavity portion at the place of main spring 6；Two
Individual auxiliary valve rod 4 is installed in the presence of auxiliary spring 3 and threaded joints in the first cavity of valve body 1, the bottom of auxiliary valve rod 4 with
O-ring is provided between the side wall of first cavity, for realizing cavity portion and the institute of auxiliary spring 3 that the first liquid outlet 7 connected
Cavity portion between sealing.
The top of two auxiliary valve rods 4 is also equipped with threaded joints and is used to be connected with straight-bar 11, when main valve stem 5 moves upwards
When pass through straight-bar 11 and drive the also motion upwards of two auxiliary valve rods 4, realize unlatching and the first liquid outlet 7 and the first inlet of valve
8 connection.First inlet 8 is set in the both sides of valve body 1, and even pneumatic operated valve pressure inlet 12 is installed on by valve body 1 by screw
On.
When specifically used, in the case where magnetic valve 15 is without being powered, the power applied by compression spring 17 will valve living
20 are pressed in realization sealing on magnetic valve pressure inlet 21；In the state of ventilation is not powered on, the power that is applied by compression spring 17
The power acted on more than gas on valve 20 living, therefore can be pressed in valve 20 living on magnetic valve pressure inlet 21 in fact by compression spring 17
Now seal；Under unpowered state, the second gas outlet 22 of magnetic valve 15 connects with exhaust outlet 24；When the energization of electromagnet 16
Afterwards, armature 18 moves upwards, drives valve 20 living to move up by magnetic valve valve rod 25, and the top of valve 20 living is pressed on into sky
Top of chamber, the through hole blocked on valve seat 19, the second gas outlet 22 is cut off with exhaust outlet 24, and realize the second air inlet 23 and
The connection of two gas outlets 22, pass the gas through the pneumatic cavity 9 that the second gas outlet 22 enters pneumatic operated valve 14.
Magnetic valve 15 is arranged on by four screws on the valve body 1 of pneumatic operated valve 14, and is realized pneumatically by O shapes rubber ring
The sealing of chamber 9.In the state of not ventilating, main spring 6 and the applying power of auxiliary spring 3 and the pressure of oxidant and incendiary agent can make pair
The bottom of valve rod 4 compresses the bottom of the first cavity, so as to block the first liquid outlet 7, realizes the first liquid outlet 7 and the first inlet
8 sealing；When being passed through the gas of design pressure in pneumatic cavity 9, in the presence of gas pressure, middle main valve stem 5 by
Aerodynamic force be more than main spring 6, the elastic force of auxiliary spring 3 and oxidant, the pressure of incendiary agent, main valve stem 5 is moved upwards, and band
Dynamic auxiliary valve rod 4 moves upwards, realizes the unlatching of pneumatic operated valve 14, the first liquid outlet 7 is connected with the first inlet 8, now aoxidize
Agent and incendiary agent enter engine simultaneously, and the sealing surface of the bottom of auxiliary valve rod 4 is realized using fluoroplastics part is inlayed in metallic rod.
Electric control valve door described in the utility model is combined using the magnetic valve 15 and pneumatic operated valve 14 of two-bit triplet form
Mode, when needing to open pneumatic operated valve 14, magnetic valve 15 is powered, driving gas is entered the pneumatic cavity 9 of pneumatic operated valve 14, makes main valve
Bar 5 moves upwards and drives auxiliary valve rod 4 to move, and realizes that the unlatching of pneumatic operated valve 14, and oxidant are passed through hair simultaneously with incendiary agent
The purpose of motivation；When magnetic valve 15 powers off, in the presence of the power of 15 compression spring of magnetic valve 17, the work valve 20 of magnetic valve 15 is downward
Mobile to separate existing second air inlet 23 with the second gas outlet 22, the second gas outlet 22 connects with exhaust outlet 24, by pneumatic cavity 9
Gas discharge, in pneumatic operated valve 14 in the presence of main spring 6 and auxiliary spring 3, auxiliary valve rod 4 is pressed in the bottom of the first cavity, real
Now separate the purpose of oxidant and incendiary agent.
To sum up, by means of above-mentioned technical proposal of the present utility model, using magnetic valve by the way of pneumatic operated valve is combined, energy
The connection and disconnection of quick control propellant, with the response time is fast, oxidant is connected with incendiary agent and turn-off time uniformity
The characteristics of good, accurate control can be provided for the break-make of rail, attitude control engine propellant.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (9)
1. a kind of electric control valve door, including magnetic valve（15）And pneumatic operated valve（14）, the magnetic valve（15）Including the second gas outlet
（22）, second gas outlet（22）Selectivity the second air inlet of connection（23）Or exhaust outlet（24）, it is characterised in that the gas
Dynamic valve（14）Including valve body（1）, the valve body（1）On be provided with least two first cavitys and second cavity, Mei Gesuo
State and secondary end cap has been fixedly connected with the top of the first cavity（2）, each secondary end cap（2）Be slidably connected an auxiliary valve rod（4）
Middle part, the secondary end cap in same cavity（2）Bottom and the auxiliary valve rod（4）Auxiliary spring is provided between bottom（3）,
Each auxiliary valve rod（4）The bottom of bottom and first cavity be in close contact, each first cavity is in the pair
Valve rod（4）The position of bottom part down is provided with the first liquid outlet（7）, the is provided with the side wall of each first cavity
One inlet（8）, multiple auxiliary valve rods（4）Top be fixedly connected with a straight-bar（11）, the straight-bar（11）Also it is fixedly connected
Main valve stem（5）Top, the main valve stem（5）Middle part slidably connects main side lid（10）, the main side lid（10）It is fixedly connected on
The top of second cavity, the main side lid（10）Bottom and the main valve stem（5）Bottom between be provided with main spring
（6）, the main valve stem（5）The side wall of bottom and second cavity be in close contact, and the main valve stem（5）Bottom with
Pneumatic cavity is formed between the bottom of second cavity（9）, the pneumatic cavity（9）Connect second gas outlet（22）.
2. electric control valve door according to claim 1, it is characterised in that the magnetic valve（15）Including electromagnetic valve body,
The electromagnetic valve body slidably connects armature（18）, the armature（18）Bottom pass through the magnetic valve valve rod that is fixedly connected
（25）It is fixedly connected with valve living（20）Top, the electromagnetic valve body is in the armature（18）Top be fixedly connected with electromagnet
（16）, the electromagnet（16）Bottom and the armature（18）Top between be provided with compression spring（17）, the electromagnetism
The bottom of valve body is fixedly connected with valve seat（19）, the valve seat（19）Pass through through hole and the magnetic valve valve rod（25）The company of slip
Connect, the valve seat（19）Bottom be provided with cavity, the side wall of the cavity and the valve living（20）Between be provided with gap, institute
State and the second gas outlet is provided with the side wall of cavity（22）, the bottom of the cavity is fixedly connected with magnetic valve pressure inlet（21）,
The magnetic valve pressure inlet（21）Top and the valve living（20）Bottom be in close contact, and the magnetic valve pressure inlet
（21）In the valve living（20）The position of bottom part down is provided with the second air inlet（23）, the row of being provided with the hole wall of the through hole
Gas port（24）, the magnetic valve valve rod（25）On be provided with and can make the exhaust outlet（24）With the valve seat（19）Cavity be connected
Logical groove.
3. electric control valve door according to claim 2, it is characterised in that the valve living（20）Top and bottom inlay
There is working of plastics.
4. electric control valve door according to claim 1, it is characterised in that first inlet（8）It is communicated with pneumatic operated valve
Pressure inlet（12）, the pneumatic operated valve pressure inlet（12）The valve body is fixedly connected on by screw（1）On.
5. electric control valve door according to claim 1, it is characterised in that the straight-bar（11）Respectively with the auxiliary valve rod
（4）Top and main valve stem（5）Screw top connection, and the straight-bar（11）On be provided through the auxiliary valve rod（4）With
Main valve stem（5）Fuse（13）.
6. electric control valve door according to claim 1, it is characterised in that the magnetic valve（15）And pneumatic operated valve（14）Pass through
Screw is fixedly connected.
7. electric control valve door according to claim 1, it is characterised in that the main valve stem（5）Bottom and described second
Between the side wall of cavity and the auxiliary valve rod（4）Bottom and first cavity side wall between be provided with O-ring.
8. electric control valve door according to claim 1, it is characterised in that the valve body（1）Respectively with the secondary end cap
（2）, main side lid（10）With pneumatic operated valve pressure inlet（12）Between be provided with sealing ring.
9. electric control valve door according to claim 1, it is characterised in that one of them described first liquid outlet（7）With hair
Motivation oxidant inlet is connected, another described first liquid outlet（7）It is connected with engine combustion agent entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334125.7U CN206988470U (en) | 2017-03-31 | 2017-03-31 | A kind of electric control valve door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720334125.7U CN206988470U (en) | 2017-03-31 | 2017-03-31 | A kind of electric control valve door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988470U true CN206988470U (en) | 2018-02-09 |
Family
ID=61422879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720334125.7U Active CN206988470U (en) | 2017-03-31 | 2017-03-31 | A kind of electric control valve door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885012A (en) * | 2017-03-31 | 2017-06-23 | 陕西蓝箭航天技术有限公司 | A kind of electric control valve door |
| CN110118136B (en) * | 2019-04-29 | 2021-10-08 | 南京理工大学 | Thrust-adjustable hydrogen peroxide single-component thruster |
-
2017
- 2017-03-31 CN CN201720334125.7U patent/CN206988470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885012A (en) * | 2017-03-31 | 2017-06-23 | 陕西蓝箭航天技术有限公司 | A kind of electric control valve door |
| CN110118136B (en) * | 2019-04-29 | 2021-10-08 | 南京理工大学 | Thrust-adjustable hydrogen peroxide single-component thruster |
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Address after: 100176 Floor 1, Building 1, No. 9, 13 Ronghua South Road, Daxing Economic and Technological Development Zone, Beijing Patentee after: Blue Arrow Space Technology Co., Ltd. Address before: 100085 02B-492, information block C, seat 28 (two level), Haidian District, Beijing. Patentee before: Beijing blue arrow InterSpace Technology Ltd |