JP2009036191A - Composite multiple laser stirling rocket launch system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a launch system of a small artificial satellite for commercial use and the like which does not require rocket fuel and the like (for a first stage of a multistage rocket) particularly, and does not require significant cost for launching. <P>SOLUTION: A Stirling engine of which the heater (a heat source) is placed in an (heat-transfer) external engine is provided for a power source of a booster rocket. A stronger laser beam is radiated to the predetermined bottom face (a face of a cylinder) of the rocket from a laser oscillator which is an external engine at an appropriate time (on launching) and the engine is operated so that each rotor (rotary wing) at a lower part of the rocket is vigorously rotated. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention generally relates to new launch systems (launching techniques) such as small satellites (Microsat & Nanosat) and related technologies for manufacturing such related devices.

Conforms to the above-mentioned technical field of space transportation.

From the past, as a way to escape the earth and the atmosphere, there is a large rocket type that mainly launches a space shuttle, etc.
Now, the cost of one launch is immeasurable, not particularly suitable for space travel,
Therefore, as a new launch system that does not require (unconventional) rocket fuel,
Very rarely, launch methods such as light craft using external laser propulsion have been used for some time.
Although it is planned (in a foreign country), unfortunately, with the current method, even with the strongest laser beam,
The reality is that we cannot achieve results beyond the purpose of flight testing.

Now, with a launch system that does not (partially) require expensive rocket fuel, in order to reduce launch costs,
First, the main engine of the first stage of a multistage (2-3 stage) rocket that launches payloads such as (ultra) small satellites (Microsat & Nanosat)
Specially, because of the efficiency without environmental impact, locally adopted Stirling engines, which are said to be future engines,
In order not to increase the size (weight) of the engine engine, the heater part (heat source) occupying a large specific gravity is not an internal engine.
Separately, place it in an external engine (with heat transfer), and from time to time, from the ground, (several) laser oscillators generate a strong <multiple multiplex> laser beam (high thermal artificial light heat) heat resistant metal plate It suffices to irradiate continuously (intermittently) to a predetermined bottom surface of the rocket generated in (1).

  The following will be supplemented by amendment of procedures.

In the case of the propulsion method using the lift of this rotor (rotary blade), the air goes thinner as it goes higher, and it is inevitable that the thrust will decrease to some extent.
Anyway, with this system that does not cause a decrease in output at all times by extraordinary energy supply by an external laser (or maser),
I know that I can fly at an altitude of 10 km or higher, so I don't need the (expensive) rocket fuel that should be required for the first stage (and possibly the second stage) of a multi-stage rocket flying vertically over the same distance. It ’s a guarantee that there ’s a lot of cost savings.
Because the Stirling engine itself is a clean engine that does not make a loud noise, it is particularly good for the environment.
In the near future, in the near future, this launch system will not only be used for commercial small satellites,
Currently, it will contribute to the launch of futuristic (ultra-light) capsule spacecraft under development ...

  Later, it will be described in the procedure amendment.

  Later, it will be described in the procedure amendment.

Front view (unfinished view) & plan view showing the simplified outline and outline of this rocket (middle figure has 4 rotors, lower figure has 3 rotors).

A simplified diagram showing the state of launch of the laser Stirling and launch system.

* Later, cross-sectional views and partial views (detailed drawings) will be presented.

Claims (5)

Mainly in the first stage main engine of multistage (2-3 stage) rockets that launch payloads such as (ultra) small artificial satellites (Microsat & Nanosat),
(It is also said to be the engine of the future because of its efficiency with no environmental impact, although it is old-fashioned so as not to require special, expensive rocket fuel, as it is already)
Stirling engines (the kinetic energy of expansion and contraction of hot air by the heating device and cold air by the cooling device as much as possible,
(Used as a substitute for the piston movement in the cylinder) locally, and in order, with a clean engine (does not blow the explosion),
While operating (full rotation) each (main) rotor at the lower part of the rocket as shown in Fig. 1,
New Stirling engine rockets with a mechanism to gradually raise and propel.
* Details will be presented later. To improve the output without increasing the size and size of the Stirling engine (airtight power engine) in the previous section,
In particular, the heater part (heat source) occupying a large specific gravity is not placed in the internal engine, but separately in the external engine (with heat transfer) as shown in Fig. 2, etc.
From time to time, a strong <complex multiplex type> laser beam (artificial photothermal) generated from (several) laser oscillators (through a condensing lens along the way) like)
Aiming at the specified bottom part (one side of the cylinder) of the rocket made of heat-resistant metal plate,
This propulsion rocket launch system that irradiates continuously (intermittently).
* Details will be presented later. Depending on the type (wavelength) of the laser (or maser) of claim 2, it is relatively easy to generate high heat,
We mainly use infrared lasers that have the smallest attenuation in the atmosphere.
In addition, the oscillation method is generally CW laser alone that emits laser light continuously,
Alternatively, this launch technique and related equipment manufacturing technology combined with a pulsed laser that emits laser light intermittently.
* Details will be presented later. For the gas (atmospheric pressure) required in the Stirling engine engine according to claim 1, etc., if sufficient output cannot be obtained with air (only) in the atmosphere,
A special system that uses high-pressure helium gas, etc. separately after taking thorough safety measures (complementation of perfect cylinders, etc.), such as unique prevention of gas leakage.
* Details will be presented later. In the Stirling engine rocket according to claim 1, etc., there is a posture control system linked to each complete rotor (rotometer and rotary sensor) in advance.
Among other things, from the laser oscillator that added a navigation function that can track (follow up) instantaneously from the time of launching the flight (upward) route of the launch rocket to the stable aircraft during flight (ascending) by the mechanism, By applying a laser beam (from the bottom) with excellent directivity that extends in a straight line (in one direction),
This propulsion guidance system that keeps the Aircraft almost on the vertical line, and reaches the destination on the orbit (by the shortest route).
* Details will be presented later.

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