CN103590897B - Free-piston engine - Google Patents
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- CN103590897B CN103590897B CN201310482294.1A CN201310482294A CN103590897B CN 103590897 B CN103590897 B CN 103590897B CN 201310482294 A CN201310482294 A CN 201310482294A CN 103590897 B CN103590897 B CN 103590897B
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Abstract
The invention discloses a kind of free-piston engine, including free-piston power mechanism (6) and high-pressure working medium source (7), described high-pressure working medium source (7) connects through the cylinder (9) of control valve (8) with described free-piston power mechanism (6), sets exhaust valve (10) on described cylinder (9).The present invention has the advantage that controlling organization is simple, low cost, efficiency are high.
Description
The application is Application No. 2011103015005, filing date on 09 28th, 2011, entitled
The divisional application of the application for a patent for invention of free-piston engine.
Technical field
The present invention relates to heat energy and dynamic field, especially a kind of free-piston engine.
Background technology
Free-piston engine efficiency is high, to this end, the research and development about free-piston engine become increasingly active,
But owing to the structure of free-piston engine and the characteristics of motion of piston make free-piston engine be difficult to surely
Fixed work, often occurs flame-out.In order to solve this problem, commonly used electricity or hydraulic pressure drag, and make
Controlling organization is complicated.For this reason, it may be necessary to invent the efficient free-piston engine of a kind of simple in construction.
Summary of the invention
To achieve these goals, the invention discloses below scheme:
Scheme one: a kind of free-piston engine, including free-piston power mechanism and high-pressure working medium source, institute
State high-pressure working medium source and connect through the cylinder of control valve with described free-piston power mechanism, described cylinder sets
Exhaust valve.
Scheme two: on the basis of scheme one, the piston of described free-piston power mechanism is through elastic structure
It is connected with inertia body.
Scheme three: on the basis of scheme two: the piston of described free-piston power mechanism is elastic through another
Structure is connected with body；And/or described inertia body is connected with body through another elastic structure.
Scheme four: on the basis of scheme one: the piston of two described free-piston power mechanisms is tied through elasticity
Structure body connects；Or the piston of a described free-piston power mechanism is connected with inertia body through elastic structure,
Described inertia body is connected through the piston of another elastic structure with another free-piston power mechanism.
Scheme five: on the basis of above-mentioned each scheme, a described high-pressure working medium source through described control valve or divides
Do not connect with the cylinder of free-piston power mechanism two or more described through described control valve.
Scheme six: on the basis of above-mentioned each scheme, described piston exports power to the mover of generator, or
Described piston exports power to hydraulic pump.
Scheme seven: on the basis of any one of scheme two to six, described inertia body is defeated to the mover of generator
Go out power, or described inertia body exports power to hydraulic pump.
Scheme eight: on the basis of above-mentioned each scheme, described high-pressure working medium source be set to internal combustion high-pressure working medium source or
External combustion high-pressure working medium source.
Scheme nine: on the basis of scheme one, is being made up of two or more described free-piston power mechanisms
Engine in, control the pressure in described high-pressure working medium source and/or control to import certain described cylinder every time
The amount of inner high voltage working medium, and then control the frequency of this described free-piston power mechanism and phase place realizes by institute
There is the described free-piston engine momentum balance that described free-piston power mechanism is constituted, eliminate vibration.
Scheme ten: on the basis of any one of scheme two to four, is being provided with described elastic structure and described
In the structure of inertia body, the intrinsic frequency of the oscillatory system that described elastic structure and described inertia body are constituted can
Adjust；At described piston in the structure that elastic structure is connected with piston another described, described piston and institute
The intrinsic frequency stating the oscillatory system that elastic structure is constituted is adjustable.
Scheme 11: on the basis of any one of scheme two to four, position or the quality of described inertia body are
Adjustable, and thus adjust the intrinsic frequency of system.
Scheme 12: on the basis of above-mentioned each scheme, a kind of efficiency improving described free-piston engine
With the method for the feature of environmental protection, the pressure adjusting the gas working medium that will start work done to more than 15MPa, adjustment is
By the temperature of the gas working medium of beginning work done to below 2700K, make to start the temperature of the gas working medium of work done
Degree and pressure meet class thermal insulation relation.
In the present invention, so-called free-piston power mechanism does not has combustion chamber in referring to cylinder, by described high pressure
Working medium in working medium source is pressed timed relationship and is imported cylinder, is i.e. in described height when exhaust stroke is at piston
A part of working medium in pressure working medium source imports in described cylinder, closes described control valve, imports the work in cylinder
Matter expands against the external work done of described piston in described cylinder, and when power stroke is over, described piston is opened
Begin to change the direction of motion and enter exhaust stroke, and then enter the device of next one circulation.
In the present invention, so-called high-pressure working medium source refers to provide gas work into described free-piston power mechanism
The system (so-called gas working medium is generally high temperature and high pressure gas working medium) of matter；So-called high-pressure working medium
Source can be external combustion high-pressure working medium source, i.e. liquid vaporizer (such as boiler), and liquid is in liquid vaporizer
Gasification produces high temperature and high pressure gas working medium, and (this gas working medium is pressed timed relationship interval through described control valve and is imported institute
State in cylinder)；So-called high-pressure working medium source can also be internal combustion high-pressure working medium source, i.e. combustion chamber (described combustion
The gas working medium burning room generation is imported in described cylinder by timed relationship interval through described control valve).
In the present invention, so-called elastic structure refers to have resilient structure, such as spring and spring
Combined mechanism etc..
In the present invention, so-called inertia body refers to the mass with certain inertia, and its function is and described bullet
Property structure interact and accumulate certain energy, to maintain the normal work of free-piston engine, its effect
It is similar to the flywheel of engine；In specific design engine, institute should be determined according to the concrete condition of engine
State Hooke coefficient and the quality of described inertia body of elastic structure.In the present invention, the position of described inertia body
Put or quality is adjustable, can thus adjust the intrinsic frequency of system.
In the present invention, at described piston in the structure that described elastic structure is connected with piston another described,
And in the structure being provided with described elastic structure and described inertia body, its operation principle is to utilize described bullet
Property structure and mass (so-called mass refers to another described piston and described inertia body) are constituted
The system accumulation of energy effect when movement velocity and the direction of motion change, prevent the flame-out of engine,
Maintain the normal operation of engine, i.e. when a certain piston changes the direction of motion or changes movement velocity, described
The energy-storage system that elastic structure and mass are constituted maintains as the flywheel in rotary power engine to be sent out
The normal work of motivation.
In the present invention, the mover of so-called generator refers to be produced the fortune of generating effect by itself motion effect
Kinetoplast, is arranged on the piston of free-piston engine or by the having of piston effect of free-piston engine
The movable body of generating effect is the most for linear motion not to rotate, so being called in the present invention
Mover is not called rotor, but it functions as the rotor of the generator generated electricity by rotary power.
In tradition has the engine of toggle, put down to realize moving between each cylinder movement parts
Weighing apparatus, it is common that make the crank journal of each cylinder be in different phase places, and then make between each cylinder piston and connecting rod thereof
It is in the phase relation of mutually balance.But in free-piston engine, owing to there is no bent axle, institute
It is unfixed with the phase place between the piston in multi-cylinder free-piston engine, if using other mechanisms solid
Phase place between fixed piston, to reach dynamic balancing, just must lose the superiority of free-piston.The present invention
In, take the high-pressure working medium by adjusting the generation of described combustion chamber or adjust the height in described high-pressure working medium source
The work done dynamics of a certain piston is made each cylinder frequency identical by pressure working medium, and phase place mutually balances, thus realizes each cylinder
Piston momentum mutually balances, and eliminates vibration.
In the present invention, due to mass and the existence of elastomer, freely live so being possible not only to manufacture two-stroke
Piston engine, it is also possible to manufacture four stroke free-piston engines.
In the present invention, owing to the frequency of reciprocating motion of the pistons may become at any time according to load and condition of work
Changing, the motion frequency of intrinsic frequency with described piston in order to make described oscillatory system matches, and needs to adjust
The frequency of described oscillatory system；Can be by adjusting the Hooke coefficient of described elastic structure (as changed spring
Tie point with mass) and the position of mass and quality, it is achieved the intrinsic frequency of described oscillatory system can
Adjust.
In the present invention, so-called elastic structure includes precompressed elastic structure, so-called precompressed elastic knot
Structure body refers to the elastic structure being made up of extended length limiting structure and spring, and so-called extended length limits
Structure refers to the structure only allowing spring to extend within the specific limits, such as rope, rope, bar, sleeve pipe etc..
In the present invention, so-called output power includes in the way of being directly connected to and in the way of being indirectly connected with
Output power.
In the present invention, Figure 24 is temperature T and the graph of a relation of pressure P of gas working medium, curve shown in O-A-H
It it is the gas working medium thermal insulation relation curve by the O point that state parameter is 298K and 0.1MPa；B point is gas
The virtual condition point of body working medium, curve shown in E-B-D is the adiabatic relation curve by B point, A point and B
The pressure of point is identical；Curve shown in F-G is by opening in the most current internal combustion engine of 2800K and 10MPa(
The state point of the gas working medium of beginning work done) working medium thermal insulation relation curve.
In the present invention, in Figure 24In K be gas working medium adiabatic exponent, P is gas working medium
Pressure, T is the temperature of gas working medium, and C is constant.
In the present invention, so-called class thermal insulation relation includes following three situation: 1. the state parameter of gas working medium
(i.e. the temperature and pressure of working medium) is put on described working medium thermal insulation relation curve, i.e. the state ginseng of gas working medium
On several some curves shown in O-A-H in fig. 24；2. gas working medium state parameter (i.e. the temperature of working medium and
Pressure) point is on the left of described working medium thermal insulation relation curve, and i.e. the state parameter point of gas working medium is in fig. 24
The left side of curve shown in O-A-H；3. state parameter (i.e. the temperature and pressure of the working medium) point of gas working medium exists
On the right side of described working medium thermal insulation relation curve, i.e. the state parameter point of gas working medium is in fig. 24 shown in O-A-H
The right side of curve, but the pressure of the temperature of gas working medium the most thus gas working medium is calculated by adiabatic relation
Gained temperature add 1000K and, add 950K's and, add 900K's and, add 850K's and, add 800K
And, add 750K's and, add 700K's and, add 650K's and, add 600K's and, add 550K's
With, add 500K's and, add 450K's and, add 400K's and, add 350K's and, add 300K's and,
Add 250K and, add 200K's and, add 190K's and, add 180K's and, add 170K's and, add
160K and, add 150K's and, add 140K's and, add 130K's and, add 120K's and, add 110K
And, add 100K's and, add 90K's and, add 80K's and, add 70K's and, add 60K's and,
Add 50K and, add 40K's and, add 30K's and or not higher than add the sum of 20K, the most as shown in figure 24,
The virtual condition point of described gas working medium is B point, and A point is on the adiabatic relation curve that pressure is identical with B point
Point, the temperature difference between A point and B point should be less than 1000K, 900K, 850K, 800K, 750K, 700K,
650K、600K、550K、500K、450K、400K、350K、300K、250K、200K、190K、180K、
170K、160K、150K、140K、130K、120K、110K、100K、90K、80K、70K、60K、
50K, 40K, 30K or less than 20K.
In the present invention, so-called class thermal insulation relation can be any one of above-mentioned three kinds of situations, namely refers to:
State parameter (i.e. the temperature and pressure of the gas working medium) point of the gas working medium of work done will be started such as Figure 24
Shown by the left field of adiabatic process curve E-B-D of B point.
In the present invention, the so-called gas working medium that will start work done is that will to expand against described piston external
The gas working medium of work done.
In the present invention, by will start the gas working medium of work done state parameter (i.e. the temperature of gas working medium and
Pressure) engine system (i.e. thermal power system) that meets class thermal insulation relation is defined as low entropy engine.
In the present invention, the temperature of the former working medium being adjusted in described internal combustion high-pressure working medium source (i.e. combustion chamber),
Pressure and flow, adjust the amount importing fuel to described combustion chamber, adjusts described combustion chamber and derives gas working medium
Amount, make the temperature and pressure that will start the gas working medium of work done meet class thermal insulation relation.
In the present invention, the temperature of the former working medium being adjusted in described external combustion high-pressure working medium source (i.e. boiler),
Pressure and flow, adjust the heating intensity to described boiler, adjusts described boiler and derives the amount of gas working medium,
The temperature and pressure that will start the gas working medium of work done is made to meet class thermal insulation relation.
In the present invention, so-called former working medium refers to the working medium of flowing in combustion chamber.
In the present invention, according to the known technology of engine art, should arrange in necessary place necessity parts,
Unit or system, such as fuel injector, spark plug, sensor etc..
Beneficial effects of the present invention is as follows:
The present invention has the advantage that controlling organization is simple, low cost, efficiency are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 and Fig. 4 is the structural representation of the embodiment of the present invention 3；
Fig. 5 and Fig. 6 is the structural representation of the embodiment of the present invention 4；
Fig. 7 is the structural representation of the embodiment of the present invention 5；
Fig. 8 and Fig. 9 is the structural representation of the embodiment of the present invention 6；
Figure 10 and Figure 11 is the structural representation of the embodiment of the present invention 7；
Figure 12 and Figure 13 is the structural representation of the embodiment of the present invention 8；
Figure 14 to Figure 21 is the structural representation of the embodiment of the present invention 9；
Figure 22 and Figure 23 is the structural representation of the embodiment of the present invention 10；
Figure 24 is temperature T and the graph of a relation of pressure P of gas working medium,
In figure:
3 elastic structures, 4 inertia bodies, 5 pistons, 6 free-piston power mechanisms, 7 high-pressure working medium sources,
8 control valves, 9 cylinders, 10 valves, 11 bodies, 12 generators, 13 movers, 14 hydraulic pumps,
701 internal combustion high-pressure working medium sources, 702 external combustion high-pressure working medium sources.
Detailed description of the invention
Embodiment 1
Free-piston engine as shown in Figure 1, including free-piston power mechanism 6, high-pressure working medium source 7,
Described high-pressure working medium source 7 connects through the cylinder 9 of control valve 8 with described free-piston power mechanism 6, in institute
State and on cylinder 9, set exhaust valve 10.
As the embodiment that can convert, described free-piston engine can be by controlling described high pressure work
Pressure in matter source, and import the amount of described cylinder inner high voltage working medium every time, described free-piston can be controlled
The frequency of power mechanism and phase place, realize the momentum balance of described free-piston engine with this, eliminates vibration.
As the embodiment that can convert, described free-piston engine can adjust and will start work done
The temperature of gas working medium to below 2000K, adjusts the pressure of the gas working medium that will start work done to 15MPa
Above, the temperature and pressure making the gas working medium by starting work done meets class thermal insulation relation.
Embodiment 2
Free-piston engine as shown in Figure 2, it is on the basis of embodiment 1: described free-piston is made
The piston 5 of merit mechanism 6 is connected with inertia body 4 through elastic structure 3.
As the embodiment that can convert, it is being provided with described elastic structure 3 and the knot of described inertia body 4
In structure, the intrinsic frequency of the oscillatory system that described elastic structure 3 and described inertia body 4 are constituted is adjustable.
As the embodiment that can convert, position or the quality of described inertia body 4 are adjustable, and can be by
This adjusts the intrinsic frequency of system.
Embodiment 3
Free-piston engine as shown in Figure 3 and Figure 4, it is on the basis of embodiment 2: described freedom
The piston 5 of piston power mechanism 6 is connected (as shown in Figure 3) with body 11 through another elastic structure 3；
Or described inertia body 4 is connected (as shown in Figure 4) with body 11 through another elastic structure 3.
As the embodiment that can convert, position or the quality of described inertia body 4 are adjustable, and can be by
This adjusts the intrinsic frequency of system.
As the embodiment that can convert, the piston 5 of described free-piston power mechanism 6 is through another bullet
Property structure 3 be connected with body 11 and described inertia body 4 is through another elastic structure 3 and described body
11 connect.
Embodiment 4
Free-piston engine as shown in Figure 5 and Figure 6, it is on the basis of embodiment 1: described in two
The piston 5 of free-piston power mechanism 6 connects (as shown in Figure 5) through elastic structure 3；This programme is also
Can as shown in Figure 6, by the piston 5 of a described free-piston power mechanism 6 through elastic structure 3 with used
Amount body 4 connects, and described inertia body 4 is through another elastic structure 3 and another free-piston power mechanism
The piston 5 of 6 connects.
As the embodiment that can convert, position or the quality of described inertia body 4 are adjustable, and can be by
This adjusts the intrinsic frequency of system.
Embodiment 5
Free-piston engine as shown in Figure 7, it is with the difference of embodiment 1: a described high pressure
Working medium source 7 cylinder 9 through described control valve 8 with two described free-piston power mechanisms 6 respectively connects.
As the embodiment that can convert, described high-pressure working medium source 7 is through described control valve 8 and two
The cylinder 9 of described free-piston power mechanism 6 connects.
As the embodiment that can convert, described free-piston engine can be by controlling described high pressure work
Pressure in matter source 7 and control import the amount of certain described cylinder inner high voltage working medium every time, and then control this
The frequency of described free-piston power mechanism and phase place, it is achieved described free-piston engine momentum balance, disappear
Except vibration.
Embodiment 1 to 4 is all referred to the present embodiment makes a described high-pressure working medium source 7 through described control valve
8 or respectively cylinder 9 through described control valve 8 with two described free-piston power mechanisms 6 connect.
As the embodiment that can convert, a described high-pressure working medium source 7 is through described control valve 8, or divides
The not cylinder 9 through described control valve 8 with free-piston power mechanism 6 described in two or more connects.
Embodiment 6
Free-piston engine as shown in Figure 8 and Figure 9, it is on the basis of embodiment 1: described piston
The mover 13 of 5 pairs of generators 12 exports power (as shown in Figure 8), or described piston 5 is to hydraulic pump 14
Output power (as shown in Figure 9).
Embodiment 1 to 5 is all referred to the present embodiment makes described piston 5 defeated to the mover 13 of generator 12
Go out power, or described piston 5 exports power to hydraulic pump 14.
Embodiment 7
Free-piston engine as shown in Figure 10 and Figure 11, its with embodiment 2 on the basis of: described
Inertia body 4 exports power (as shown in Figure 10), or described inertia body 4 to the mover 13 of generator 12
Hydraulic pump 14 is exported power (as shown in figure 11).
Embodiment 2 to 4 is all referred to the present embodiment and arranges the described inertia body 4 mover to generator 12
13 export power, or described inertia body 4 exports power to hydraulic pump 14.
Embodiment 8
Free-piston engine as shown in Figure 12 and Figure 13, it is on the basis of embodiment 1: described height
Pressure working medium source is set to internal combustion high-pressure working medium source 701(as shown in figure 12) or external combustion high-pressure working medium source 702(is such as
Shown in Figure 13).
As the embodiment that can convert, described free-piston engine freely can be lived by adjustment is described
The fuel feed of plug group, and then adjust frequency and the phase place of this described free-piston group, it is achieved by owning
The momentum balance of the free-piston engine that described free-piston group is constituted, eliminates vibration.
Embodiment 1 to 7 is all referred to the present embodiment and described high-pressure working medium source is set to internal combustion high-pressure working medium source
701 or external combustion high-pressure working medium source 702.
Embodiment 9
As described in free-piston engine as described in Figure 14,15,16,17,18,19,20 and Figure 21
When piston 5 is in diverse location and motion state, it is made up of described elastic structure 3 and described inertia body 4
The process chart of oscillatory system.Utilize that described elastic structure 3 and described inertia body 4 constituted is
The system accumulation of energy effect when movement velocity and the direction of motion change, is possible to prevent engine misses, dimension
Hold the normal operation of engine.I.e. when piston changes the direction of motion or changes movement velocity, described elastic knot
The energy-storage system that structure body 3 and inertia body 4 are constituted maintains engine as the flywheel in rotary power engine
Normal work.Position or the quality of described inertia body 4 are adjustable, and can thus adjust the intrinsic of system
Frequency.
Embodiment 10
Free-piston engine as shown in Figure 22 and Figure 23, it is on the basis of embodiment 1: by two
In the engine that individual or multiple described free-piston power mechanisms 6 are constituted, by controlling described high-pressure working medium source
Pressure in 7 and/or the amount of control certain described cylinder 9 inner high voltage working medium of importing every time, and then control this
The frequency of described free-piston power mechanism 6 and phase place, it is achieved by all described free-piston power mechanisms 6
The momentum balance of the described free-piston engine constituted, eliminates vibration.Wherein, in Figure 22 described in two
Free-piston engine is arranged in parallel；In Figure 23, two described free-piston engines are opposite disposed.
It is clear that the invention is not restricted to above example, according to techniques known and presently disclosed
Technical scheme, can derive or association goes out many flexible programs, all these flexible programs, also should recognize
For being protection scope of the present invention.
Claims (11)
1. a free-piston engine, including free-piston power mechanism (6) and high-pressure working medium source (7),
It is characterized in that: described high-pressure working medium source (7) is through control valve (8) and described free-piston power mechanism (6)
Cylinder (9) connection, described cylinder (9) sets exhaust valve (10), described free-piston working machine
The piston (5) of structure (6) is connected with inertia body (4) through elastic structure (3).
2. free-piston engine as claimed in claim 1, it is characterised in that: described free-piston working machine
The piston (5) of structure (6) is connected with body (11) through another elastic structure (3)；And/or it is described
Inertia body (4) is connected with body (11) through another elastic structure (3).
3. free-piston engine as claimed in claim 1, it is characterised in that: two described free-pistons are made
The piston (5) of merit mechanism (6) connects through elastic structure (3)；Or a described free-piston work done
The piston (5) of mechanism (6) is connected with inertia body (4) through elastic structure (3), described inertia body (4)
It is connected with the piston (5) of another free-piston power mechanism (6) through another elastic structure (3).
4. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: an institute
State high-pressure working medium source (7) through described control valve (8) or respectively through described control valve (8) with two or two
Cylinder (9) connection of the above free-piston power mechanism (6) individual.
5. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: described work
Plug (5) exports power to the mover (13) of generator (12), or described piston (5) is to hydraulic pump (14)
Output power.
6. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: described used
Amount body (4) exports power to the mover (13) of generator (12), or described inertia body (4) is to hydraulic pressure
Pump (14) output power.
7. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: described height
Pressure working medium source (7) is set to internal combustion high-pressure working medium source (701) or external combustion high-pressure working medium source (702).
8. free-piston engine as claimed in claim 1, it is characterised in that: by two or more described
In the engine that free-piston power mechanism (6) is constituted, control the pressure in described high-pressure working medium source (7)
And/or control to import the amount of certain described cylinder (9) inner high voltage working medium, and then it is described certainly to control this every time
Frequency and phase place by piston power mechanism (6) realize by all described free-piston power mechanism (6) structures
The described free-piston engine momentum balance become, eliminates vibration.
9. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: it is being provided with
In the structure of described elastic structure (3) and described inertia body (4), described elastic structure (3) and
The intrinsic frequency of the oscillatory system that described inertia body (4) is constituted is adjustable；Tie through elasticity at described piston (5)
In the structure that structure body (3) is connected with piston another described (5), described piston (5) and described elasticity
The intrinsic frequency of the oscillatory system that structure (3) is constituted is adjustable.
10. free-piston engine as according to any one of claims 1 to 3, it is characterised in that: described
Position or the quality of inertia body (4) are adjustable, and thus adjust the intrinsic frequency of system.
11. 1 kinds of efficiency improving free-piston engine as according to any one of claim 1 to 10 and ring
The method of guarantor property, it is characterised in that: adjust and will start the pressure of gas working medium of work done to more than 15MPa,
Adjustment will start the temperature of the gas working medium of work done to below 2700K, makes to start the gas work of work done
The temperature and pressure of matter meets class thermal insulation relation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482294.1A CN103590897B (en) | 2011-04-25 | 2011-09-28 | Free-piston engine |
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| CN201110103636.5 | 2011-04-25 | ||
| CN201110103636 | 2011-04-25 | ||
| CN2011101036365 | 2011-04-25 | ||
| CN201110105072 | 2011-04-26 | ||
| CN2011101050729 | 2011-04-26 | ||
| CN201110105072.9 | 2011-04-26 | ||
| CN201310482294.1A CN103590897B (en) | 2011-04-25 | 2011-09-28 | Free-piston engine |
| CN201110301500.5A CN102374021B (en) | 2011-04-25 | 2011-09-28 | Free piston engine |
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| CN201110301500.5A Division CN102374021B (en) | 2011-04-25 | 2011-09-28 | Free piston engine |
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| CN201310482294.1A Active CN103590897B (en) | 2011-04-25 | 2011-09-28 | Free-piston engine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334795A (en) * | 2013-07-17 | 2013-10-02 | 北京工业大学 | Free stroke piston expander generation device utilizing high pressure gas to output electric energy |
| CN106437917A (en) * | 2015-08-05 | 2017-02-22 | 熵零股份有限公司 | Direct-acting valve cylinder piston process engine |
| CN106438034A (en) * | 2015-08-06 | 2017-02-22 | 熵零股份有限公司 | Direct-acting valve air cylinder and piston mechanism and engine with same |
| CN109869194B (en) * | 2017-12-01 | 2022-09-23 | 徐乐馨 | Low-temperature free piston power generation system |
| CN113047948B (en) * | 2021-03-12 | 2022-08-05 | 哈尔滨工程大学 | Free piston generator based on rigid connection |
| CN113047954B (en) * | 2021-03-12 | 2021-10-15 | 哈尔滨工程大学 | Free piston generator based on rigid synchronous transmission system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100467A (en) * | 1985-01-25 | 1986-07-23 | 伯明·索拉有限公司 | Hot-air engine |
| CN1186535A (en) * | 1995-04-20 | 1998-07-01 | 斯普利特·赛科尔技术有限公司 | Free piston engine |
| DE19909302C1 (en) * | 1999-03-03 | 2000-07-13 | Texim Ag Meggen | Free piston pump assembly has a hollow zone in the piston to take a mechanical resonator suspended on coil springs with oscillation in the direction of piston movement for transfer of housing oscillation effectively to a low-mass piston |
| CN1416501A (en) * | 2000-01-28 | 2003-05-07 | 克拉维斯技术公司 | Energy converter |
| CN1624305A (en) * | 1998-02-23 | 2005-06-08 | 卡明斯发动机公司 | Premixed charge compression ignition engine with optimal combustion control |
| CN1864000A (en) * | 2003-09-19 | 2006-11-15 | 蒂艾克思股份有限公司 | Machine spring displacer for stirling cycle machines |
| CN101008318A (en) * | 2006-12-29 | 2007-08-01 | 清华大学深圳研究生院 | Single piston monopropellant hydraulic free piston engine |
| CN101655034A (en) * | 2009-09-25 | 2010-02-24 | 靳北彪 | Fixed stopper point free piston engine |
| CN101979852A (en) * | 2010-11-24 | 2011-02-23 | 南京理工大学 | Free piston engine with independent compression and controllable inlet air thermodynamic parameter |
| CN202250387U (en) * | 2011-04-25 | 2012-05-30 | 靳北彪 | Free-piston engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3234395A (en) * | 1962-02-01 | 1966-02-08 | Richard M Colgate | Free piston electrical generator |
| US7685818B2 (en) * | 2007-05-30 | 2010-03-30 | Sunpower, Inc. | Connection of a free-piston stirling machine and a load or prime mover permitting differing amplitudes of reciprocation |
| GB2469279A (en) * | 2009-04-07 | 2010-10-13 | Rikard Mikalsen | Linear reciprocating free piston external combustion open cycle heat engine |
-
2011
- 2011-09-28 CN CN201110301500.5A patent/CN102374021B/en active Active
- 2011-09-28 CN CN201310482294.1A patent/CN103590897B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100467A (en) * | 1985-01-25 | 1986-07-23 | 伯明·索拉有限公司 | Hot-air engine |
| CN1186535A (en) * | 1995-04-20 | 1998-07-01 | 斯普利特·赛科尔技术有限公司 | Free piston engine |
| CN1624305A (en) * | 1998-02-23 | 2005-06-08 | 卡明斯发动机公司 | Premixed charge compression ignition engine with optimal combustion control |
| DE19909302C1 (en) * | 1999-03-03 | 2000-07-13 | Texim Ag Meggen | Free piston pump assembly has a hollow zone in the piston to take a mechanical resonator suspended on coil springs with oscillation in the direction of piston movement for transfer of housing oscillation effectively to a low-mass piston |
| CN1416501A (en) * | 2000-01-28 | 2003-05-07 | 克拉维斯技术公司 | Energy converter |
| CN1864000A (en) * | 2003-09-19 | 2006-11-15 | 蒂艾克思股份有限公司 | Machine spring displacer for stirling cycle machines |
| CN101008318A (en) * | 2006-12-29 | 2007-08-01 | 清华大学深圳研究生院 | Single piston monopropellant hydraulic free piston engine |
| CN101655034A (en) * | 2009-09-25 | 2010-02-24 | 靳北彪 | Fixed stopper point free piston engine |
| CN101979852A (en) * | 2010-11-24 | 2011-02-23 | 南京理工大学 | Free piston engine with independent compression and controllable inlet air thermodynamic parameter |
| CN202250387U (en) * | 2011-04-25 | 2012-05-30 | 靳北彪 | Free-piston engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103590897A (en) | 2014-02-19 |
| CN102374021B (en) | 2014-07-16 |
| CN102374021A (en) | 2012-03-14 |
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