CN109826723A - A kind of rocket engine turbine pump motor starter and turbine pump - Google Patents
A kind of rocket engine turbine pump motor starter and turbine pump Download PDFInfo
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- CN109826723A CN109826723A CN201910092461.9A CN201910092461A CN109826723A CN 109826723 A CN109826723 A CN 109826723A CN 201910092461 A CN201910092461 A CN 201910092461A CN 109826723 A CN109826723 A CN 109826723A
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- 239000007858 starting material Substances 0.000 title claims abstract description 54
- 238000004804 winding Methods 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000003721 gunpowder Substances 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 239000003380 propellant Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The present invention relates to a kind of rocket engine turbine pump motor starter and turbine pump, rocket engine turbine pump motor starter is connected with turbine pump, comprising: the first electrical storage device, for powering to motor, to drive the turbine to pump up rotation；Stator winding is installed on the turbine pump；Charging module is mounted on the turbine pump, is connect with first electrical storage device, for charging to first electrical storage device；Second electrical storage device is used for the stator winding electrifying.The present invention creatively proposes in such a way that electronic starting scheme substitutes traditional rocket engine gunpowder starting or high pressure gas cylinder starting, it is charged by the sub-fraction power of turbine to the first electrical storage device, first electrical storage device is reused, motor starter provided by the invention is simple and compact for structure, it is light-weight, it can repeatedly use, and convenient later maintenance, downstream components will not be adversely affected, not will receive the limitation of installation space.
Description
Technical field
The present invention relates to Liquid Propellant Rocket Engine fields, and in particular to a kind of rocket engine turbine pump is electronic to be opened
Dynamic device and turbine pump.
Background technique
Liquid-propellant rocket engine refers to liquid prpellant rocket, that is, uses liquid chemical as the energy and work
The chemical rocket propulsion system of matter.There are two main classes for the Starting mode of liquid-propellant rocket engine turbine pump, first is that tank pressure is made
Started with itself, second is that the so-called outer energy of turbine pump is pushed to start with a kind of energy.Outer energy starting is opened in engine
During dynamic, using high energy gas, combustion gas eddy wheel pump, pump operating is driven, propellant is conveyed to main and subsidiary system, to start
Machine provides the initial driving force source of starting turbine pump, so that engine parameter quickly rises to main operating condition.For secondary or multiple
Start engine, engine starting process is both needed to starter and provides initial driving force source, wherein the liquid fire of turbopump-feed system
Arrow engine is all made of the initial driving force source of solid gunpowder or high pressure gas as turbine pump.
The medium of liquid-propellant rocket engine turbine pump outer energy starting at present is generally solid gunpowder and high pressure gas, right respectively
Answer gunpowder starter and high pressure gas cylinder.Wherein gunpowder starter acceleration is good, compact-sized, but can only be intended for single use, and repeatedly opens
It is dynamic to be equipped with multiple starters, but it is limited to space layout, it can not arrange multiple starters；And the gunpowder residue repeatedly started can
Downstream components can be brought with adverse effect；High pressure gas cylinder starting is steady, pollution-free, and working service is good, and flight only needs after returning
Task can be executed again to high pressure gas cylinder inflation；But high pressure gas cylinder activation system overcomplicated, repeatedly starting need to carry more
A gas cylinder will increase engine weight, and high pressure gas higher cost.
In view of the shortcomings of both the above starting scheme, the heat that a kind of novel outer energy starting device is this field is studied
Point studies a question.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the invention proposes a kind of rocket engine turbine pump electricity
Dynamic starter and turbine pump, specific embodiment are as follows:,
The embodiment of the present invention provides a kind of rocket engine turbine pump motor starter, the motor starter and turbine
Pump is connected, comprising:
First electrical storage device, for powering to motor, to drive the turbine to pump up rotation；
Stator winding is installed on the turbine pump；
Charging module is mounted on the turbine pump, is connect with first electrical storage device, is used for first electric power storage
Device charging；
Second electrical storage device is used for the stator winding electrifying.
In a specific embodiment, further include controller, the controller respectively with first electrical storage device and
Second electrical storage device is connected,
The controller is used to control first electrical storage device according to the first signal and be connected with the motor, and control
Second electrical storage device is made to be in an off state；
The controller is also used to control first electrical storage device according to second signal and be connected with the charging module,
And control second electrical storage device is connected with the stator winding.
In a specific embodiment, electric quantity monitoring module, the electricity prison are provided on first electrical storage device
The remaining capacity that module is used to monitor first electrical storage device is surveyed, when the remaining capacity is more than or equal to power threshold, to
The controller sends third signal.
In a specific embodiment, the controller is also used to control described second according to the third signal and store
Electric installation and the stator winding disconnect, and control first electrical storage device and the charging module disconnect.
In a specific embodiment, the turbine pump includes connecting shaft and the turbine that is mounted in the connecting shaft
Disk, the first impeller and the second impeller, the circumferential direction of the turbine disk are provided with turbine shroud, and the circumferential direction of first impeller is provided with
First shell, the circumferential direction of second impeller are provided with second shell, the turbine shroud, the first shell and described second
The stator winding is installed at least one of shell；
The charging module is set in the connecting shaft, and the connecting shaft is connected with the motor.
It in a specific embodiment, further include speed induction machine, the speed induction machine is installed on the turbine case
On body, the speed induction machine is used to detect the rotation speed of the turbine disk, and the rotation speed is sent to and compares mould
Block；
When the comparison module judges that the rotation speed is greater than the first pre-set velocity, Xiang Suoshu controller sends the 4th letter
Number, the controller controls first electrical storage device according to the fourth signal and the motor disconnects.
In a specific embodiment, the comparison module judges that the rotation speed is more than or equal to the second pre-set velocity
When, Xiang Suoshu controller sends the second signal, wherein second pre-set velocity is greater than first pre-set velocity.
In a specific embodiment, the motor starter be installed on first impeller and the turbine disk it
Between；Alternatively,
The motor starter is installed between first impeller and second impeller.
In a specific embodiment, first electrical storage device includes rechargeable battery and/or super capacitance cell.
The embodiment of the present invention also provides a kind of turbine pump, and electricity described in any of the above-described embodiment is equipped on the turbine pump
Dynamic starter.
The invention has the benefit that
1, technical solution of the present invention cannot preferably realize the technical issues of multiple starting, wound for of the existing technology
It proposes to the property made in such a way that electronic starting scheme substitutes traditional rocket engine gunpowder starting or high pressure gas cylinder starting,
It is charged by the sub-fraction power of turbine to the first electrical storage device, the first electrical storage device is reused, the present invention
The motor starter of offer is simple and compact for structure, light-weight, can repeatedly use, and convenient later maintenance, will not be under
Trip component adversely affects, and not will receive the limitation of installation space.
2, motor starter mentioned by above-described embodiment is installed on turbine pump provided by the invention, so that electronic starting
Device and turbine are pump integrated, compact-sized, light-weight.
Detailed description of the invention
Fig. 1 is the module map of motor starter provided by the invention；
Fig. 2 is the structural schematic diagram of turbine pump provided by the invention；
Fig. 3 (a)-Fig. 3 (b) is the schematic view of the mounting position of motor starter provided by the invention.
Description of symbols:
First electrical storage device 10, stator winding 11, charging module 12, the second electrical storage device 13, motor 14, turbine pump 15,
Connecting shaft 19, the first impeller 17, the second impeller 16, the turbine disk 18, controller 20.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Embodiment one
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, Fig. 1 is the module map of motor starter provided by the invention；The present invention provides a kind of rocket motor
Machine 15 motor starter of turbine pump specifically includes the first electrical storage device 10, stator winding 11, charging module 12 and the second electric power storage
Device 13, wherein the first electrical storage device 10 includes rechargeable battery and/or super capacitance cell, needs to be provided simultaneously with high-energy
Density and high power density, wherein power density refers to drives required instantaneous power for pump at any time, and unit is
KW, energy density refer to gross energy required for pump long-play, unit kWh.For example, the power of electric appliance is
100W, refers to power density, 10 hours total 1 degree of power consumption, refer to energy density (unit: Wh/kg).What power density represented
It is the explosive force of energy transfer tube, energy density refers to the endurance of long-play.First electrical storage device 10 can be super electricity
Hold battery, lead-acid battery or composite power source.
Stator winding 11 is the copper wire being wound on above stator, and stator winding 11 is wrapped on turbine pump 15 and forms stator, fixed
The main function of son is to generate rotating excitation field, in the present embodiment, after turbine pump 15 plays rotation, by the turbine wheel shaft in turbine pump 15
And its impeller or the composition rotor of the turbine disk 18 on turbine wheel shaft, the main function of rotor is to be cut in rotating excitation field by the magnetic line of force
Undercutting and generate (output) electric current；Charging module 12 refers to the exciting current by adjusting stator and rotor, and rotor is kept to turn
The device of burning voltage is exported when speed and load variations；Second electrical storage device 13 can using common power, high power battery or
Other electric storage devices of person, for providing electric current to stator winding 11.
The working principle of connection relationship as shown in Figure 1, motor starter is: before starting for the first time, the first electrical storage device
10 is fully charged；When starting, the first electrical storage device 10 is connected with motor 14, provides electric energy to motor 14, thus start motor 14, electricity
Machine 14 provides turn power to turbine pump 15, and turbine pump 15 is driven to start to the 15%-30% of nominal situation, then the first electric power storage
Device 10 stops power supply, and turbine pump 15 is detached from external impetus, operates under the driving of combustion gas.
In turbine pump 15 voluntarily operation process, the second electrical storage device 13 and stator winding 11 are connected, so that stator winding
Electromagnetic induction is generated on 11, stator winding 11 is mounted on the shell of turbine pump 15, can when the rotor on turbine pump 15 rotates
The electromagnetism wire cutting generated by stator winding 11, to generate electric current on rotor, induced current is entered by connecting terminal fills
Electric module 12, and by charging module 12 carry out pressure stabilizing adjusting after, charge to the first electrical storage device 10, the first electric power storage dress
Set 10 be full of after, use when can be for starting next time, to meet the needs of starting is repeated several times.
Motor starter provided by the invention only works in 15 start-up course of turbine pump, due to most of engine primer
Operating time be 1 second, turbine pump 15 can be made to reach the 15%-30% of declared working condition, required instantaneous power is 4-30KW model
It encloses；Therefore, the first electrical storage device 10 needs to have high-power highdensity characteristic, and lithium battery can reach maximum power density at present
It is thousands of watts every kilogram, estimates that battery weight is about 10kg, with existing high pressure according to maximum operating time and maximum power
The weight of gas cylinder or gunpowder starter is suitable.High pressure gas cylinder or gunpowder starter need to carry multiple can realize repeatedly
It reuses, and motor starter of the invention, it is only necessary to it is arranged one and can be realized and repeatedly uses, motor starter
Substantially later maintenance is not needed, can reduce cost.
It is found that motor starter, which provides the energy by charge-discharge battery or super capacitor, drives turbine pump 15 to motor 14
Play rotation.When turbine pump 15 acts the 15%-30% for being screwed into declared working condition, followed by generator ignition operation.Reach in start-up course
15%-30% operating condition, motor 14 be supplied to turbine pump 15 power and torque it is relatively small, battery relative mass is smaller.Turbine
After pump 15 reaches declared working condition, turbine generates power sub-fraction and is charged the battery in turn by 14 module of motor, and battery fills
Charging module 12 disconnects after full, and turbine generates power all supply propellant pumps.Such Starting mode has avoided gas cylinder starting
The shortcomings that with gunpowder starter, and high reliablity, are reused easy to maintain.Motor starter scheme is easily achieved, it is only necessary to whirlpool
15 shaft turbine end of wheel pump reserves cantilever, simplifies entire engine system, while simplifying starting timing.Furthermore start-up course can
Start-up course changed power is adjusted according to specific starting scheme.
Embodiment two
On the basis of the above embodiment 1, as shown in Fig. 2, connection of the present embodiment to motor starter and turbine pump 15
Relationship is described in detail, and further includes controller 20 in motor starter, controller 20 respectively with the first electrical storage device 10 and
The connection of two electrical storage devices 13, further, motor starter is mounted on turbine pump 15, and turbine pump 15 includes connecting shaft 19, even
Turbine and multistage pump are installed, turbine provides power by the gas of burning, and motor starter provides just to turbine in spindle 19
Begun turn power, and 14 one end of motor is connect with the first electrical storage device 10, and the other end provides power to turbine by connecting shaft 19.
Specifically, controller 20 receives the first signal that external equipment is sent, the first signal is rocket engine starting letter
Number, controller 20 receives the first signal, and controls motor starter according to the first signal and start to work, specifically, according to the
The first electrical storage device of one signal control 10 is connected with motor 14, and motor 14, which is powered to operating, drives turbine pump 15 to play rotation, this process
For the discharge process of the first electrical storage device 10；Start it should be noted that motor 14 is powered, power-off is shut down, 14 institute of motor
The startup power that can be provided can be pre-adjusted according to actual needs, after motor 14 is powered, just according to preset starting
Power provides rotary power, this kind of form can provide optimal case to motor 14.It solves in the prior art, the high pressure gas cylinder energy
The uncontrollable technical problem of the startup power that can be provided.
At the discharge process of the first electrical storage device 10, the second electrical storage device 13, stator winding 11 and its charging module 12
In standby mode.
Further, after turbine plays rotation, the rotation speed of the turbine disk 18, turbine are able to detect by speed induction machine
Rotation speed is sent to comparison module by disk 18, and comparison module judges whether the rotation speed is greater than the first pre-set velocity, wherein
First pre-set velocity corresponds to turbine and reaches rotation speed corresponding to any power between nominal situation 15%-30%, works as rotation
Rotary speed is greater than the first pre-set velocity, illustrates, the 15%-30% for playing rotation power and having reached nominal situation of turbine, at this point, motor
14 are no longer satisfied to turbine offer power, and comparison module sends fourth signal to controller 20, and fourth signal is motor 14
Stop signal, controller 20 control the first electrical storage device 10 according to fourth signal and power off, and motor 14 shuts down, the first electric power storage dress
Setting 10 discharge processes terminates.
When comparison module judges selection speed less than the first pre-set velocity, illustrate, turbine is also not up to nominal situation
15%-30%, turbine are also not enough to keep on the go by combustion gas, and there is still a need for motors 14 to provide startup power at this time, then comparing
Sending signal compared with module cage controller 20 is empty or maintenance state.
After the electric discharge of first electrical storage device 10 terminates, turbine remains in operation by the motive force that combustion gas provides, in this process
In, speed induction machine constantly provides rotation speed to comparison module, and comparison module carries out revolving speed comparison, when judging rotation speed
When more than or equal to the second pre-set velocity, comparison module sends second signal to controller 20, wherein the second pre-set velocity is turbine
Reach the rotation speed when 90%-95% of nominal situation, illustrates that turbine has been in normal operation, second signal is control
When charging signals processed, i.e. turbine are in normal operation, charging action can be carried out.
Further, turbine pump 15 includes connecting shaft 19 and the turbine disk 18, the first impeller 17 that are mounted in connecting shaft 19
With the second impeller 16, the circumferential direction of the turbine disk 18 is equipped with turbine shroud, for protecting the turbine disk 18, prevents foreign matter from entering high speed and revolves
The turbine disk 18 turned, causes a serious accident, similarly, the circumferential direction of the first impeller 17 is equipped with first shell, the week of the second impeller 16
To second shell is equipped with, stator winding 11 is installed in turbine shroud in perhaps first shell or in second shell, or
In person's turbine shroud and first shell or in first shell and second shell, since stator winding 11 has certain weight,
And in rocket engine field to mitigate weight as much as possible as design principle, therefore, the specific of stator winding 11 is arranged with reality
Border demand is installation principle.
Meanwhile charging module 12 is arranged in connecting shaft 19, charging module 12 can be embedded in connecting shaft 19, can also be with
It is connect with connecting shaft 19 by conducting wire, can guide exciting current to charging module 12 as principle.
Controller 20 is connected according to the second electrical storage device of second signal control 13 with stator winding 11, and stator winding 11 is logical
Electricity generates inductive electromagnetic；Controller 20 also controls the first electrical storage device 10 and is connected with charging module 12, and turbine rotation is served as and turned
The effect of son, forms 14 structure of generator with the stator winding 11 being mounted on turbine shroud, and the turbine disk 18 is produced by electromagnetism wire cutting
Raw induced current, and charging module 12 is directed current to by connection terminal, charging module 12 hand over to induced current straight
Circulation is changed, and carries out constant voltage modulation, and rotor is kept to export burning voltage in revolving speed and load variations；Charging module 12 is to electric current
After being adjusted, charge to the first electrical storage device 10 being attached thereto；The process is the charging of the first electrical storage device 10
Process；
It should be noted that fourth signal and second signal can directly be given to controller 20 by external equipment, without
It is limited to mentioned above to be sent to controller 20 by comparing module.
Further, electric quantity monitoring module is provided on the first electrical storage device 10, electric power detection module is for monitoring first
The remaining capacity of electrical storage device 10 sends third signal to controller 20 when remaining capacity, which is equal to, is greater than power threshold；Its
In, power threshold be the first electrical storage device 10 in it is fully charged when electricity or reach corresponding electricity when at full charge 95%
Amount illustrate when remaining capacity is equal with power threshold or is greater than power threshold, charges in the first electrical storage device 10 and completely
, do not need to recharge, be said from the angle to economize on resources, it should stop charging, electric power detection module is to controller 20 at this time
Third signal is sent, third signal is to stop charging signals, and control is according to the first electrical storage device of third signal control 10 and charging
Module 12 disconnects, and enables the second electrical storage device 13 and stator winding 11 disconnect, such stator winding 11 no longer generates inductive electromagnetic, whirlpool
The rotation of wheel disc 18 or the first impeller 17 or the second impeller 16 also no longer generates induced current, whole power of turbine pump 15
For providing the power of rocket engine, the charging of the first electrical storage device 10 is completed by a part of power of turbine pump 15 in this way
Process, in order to start next time, to reach the function of repeatedly using.
Further, as shown in Fig. 3 (a)-Fig. 3 (b), the motor 14 in motor starter during the installation process, Ke Yishe
One end in connecting shaft 19 close to the turbine disk 18 is set, or is arranged between the first impeller 17 and the second impeller 16, Huo Zheshe
It sets between the first impeller 17 and the turbine disk 18, this kind of design method can be integrated with motor starter by turbine pump 15, letter
Entire engine system is changed, so that structure is more compact.
It should be noted that the first electrical storage device 10, the second electrical storage device 13 can be fixedly mounted in the embodiment of the present invention
On turbine shroud, stator winding 11 is mounted on turbine shroud, and charging module 12 is connect with connecting shaft 19, is enabled in this way
The structure of rocket engine is more compact, saves installation space.
Embodiment three
The present embodiment provides excessively a kind of turbine pump 15, it is equipped in above-described embodiment one and embodiment two on the turbine pump 15
Mentioned motor starter.Turbine pump 15 provided by the invention is creatively realized using motor starter, is on the one hand made
Startup power can be accurately adjusted so that motor 14 directly drives connecting shaft 19 with electronic Starting mode, on the other hand, is passed through
Stator winding 11, charging module 12 and the second electrical storage device 13 in motor starter can be filled to the first electrical storage device 10
Electricity, to realize the function that repeatedly uses, the turbine pump 15 is simple and compact for structure, light-weight, and Maintenance free, can be compared with
Save the cost well improves practicability.
In conclusion the above embodiments are only used to help understand the solution of the present invention and its core concept；Together
When, for those of ordinary skill in the art, according to the thought of the present invention, have in specific embodiments and applications
Change place, in conclusion the contents of this specification are not to be construed as limiting the invention, protection scope of the present invention should be with institute
Subject to attached claims.
Claims (10)
1. a kind of rocket engine turbine pump motor starter, which is characterized in that the motor starter is connected with turbine pump,
Include:
First electrical storage device, for powering to motor, to drive the turbine to pump up rotation；
Stator winding is installed on the turbine pump；
Charging module is mounted on the turbine pump, is connect with first electrical storage device, is used for first electrical storage device
Charging；
Second electrical storage device is used for the stator winding electrifying.
2. motor starter according to claim 1, which is characterized in that further include controller, the controller respectively with
First electrical storage device is connected with second electrical storage device,
The controller is used to control first electrical storage device according to the first signal and be connected with the motor, and control institute
The second electrical storage device is stated to be in an off state；
The controller is also used to control first electrical storage device according to second signal and be connected with the charging module, and
Second electrical storage device is controlled to be connected with the stator winding.
3. motor starter according to claim 2, which is characterized in that be provided with electricity prison on first electrical storage device
Module is surveyed, the electric quantity monitoring module is used to monitor the remaining capacity of first electrical storage device, when the remaining capacity is greater than
When equal to power threshold, Xiang Suoshu controller sends third signal.
4. motor starter according to claim 3, which is characterized in that the controller is also used to be believed according to the third
Number, it controls second electrical storage device and the stator winding disconnects, and control first electrical storage device and the charging
Module disconnects.
5. motor starter according to claim 2, which is characterized in that the turbine pump includes connecting shaft and is mounted on institute
State the turbine disk, the first impeller and the second impeller in connecting shaft, the circumferential direction of the turbine disk is provided with turbine shroud, and described first
The circumferential direction of impeller is provided with first shell, and the circumferential direction of second impeller is provided with second shell, the turbine shroud, described
The stator winding is installed at least one of one shell and the second shell；
The charging module is set in the connecting shaft, and the connecting shaft is connected with the motor.
6. motor starter according to claim 5, which is characterized in that it further include speed induction machine, the Speed sensing
Device is installed on the turbine shroud, and the speed induction machine is used to detect the rotation speed of the turbine disk, and by the rotation
Rotary speed is sent to comparison module；
When the comparison module judges that the rotation speed is greater than the first pre-set velocity, Xiang Suoshu controller sends fourth signal,
The controller controls first electrical storage device according to the fourth signal and the motor disconnects.
7. motor starter according to claim 6, which is characterized in that the comparison module judges that the rotation speed is big
When being equal to the second pre-set velocity, Xiang Suoshu controller sends the second signal, wherein second pre-set velocity is greater than institute
State the first pre-set velocity.
8. motor starter according to claim 5, which is characterized in that the motor starter is installed on first leaf
Between wheel and the turbine disk；Alternatively,
The motor starter is installed between first impeller and second impeller.
9. motor starter according to claim 1, which is characterized in that first electrical storage device includes rechargeable battery
And/or super capacitance cell.
10. a kind of turbine pump, which is characterized in that installed on the turbine pump described in any item just like claim 1-9 electronic
Starter.
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| CN201910092461.9A CN109826723A (en) | 2019-01-30 | 2019-01-30 | A kind of rocket engine turbine pump motor starter and turbine pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219751A (en) * | 2019-06-28 | 2019-09-10 | 蓝箭航天空间科技股份有限公司 | A kind of multiple starting system and starting method of recyclable liquid-propellant rocket engine |
| CN110219751B (en) * | 2019-06-28 | 2024-03-26 | 蓝箭航天空间科技股份有限公司 | Multiple starting system and starting method for recyclable liquid rocket engine |
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