CN114856807A - Piston synchronizer of opposed free piston engine - Google Patents
Piston synchronizer of opposed free piston engine Download PDFInfo
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- CN114856807A CN114856807A CN202210517558.1A CN202210517558A CN114856807A CN 114856807 A CN114856807 A CN 114856807A CN 202210517558 A CN202210517558 A CN 202210517558A CN 114856807 A CN114856807 A CN 114856807A
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- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 238000009434 installation Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 17
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B71/00—Free-piston engines; Engines without rotary main shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a piston synchronizer of an opposed free piston engine, which comprises a driving cylinder, the inner side of the driving cylinder is symmetrically and movably provided with a driving piston, the middle part of one end of the driving piston is fixedly connected with a driving piston rod corresponding to the positions of the two ends of the driving cylinder, the top and the bottom of the outer side of the driving cylinder are respectively provided with a mounting side panel, two ends of the two mounting side panels are respectively fixedly provided with a mounting side column through bolts, and the end parts of the two driving piston rods are respectively sleeved with a mounting sleeve, so that the radial force borne by the driving piston and the driving piston rod is effectively eliminated, so that no additional friction force is generated between the driving piston and the inner wall of the driving cylinder due to additional radial force in the process of driving the piston, and then the wearing speed of the driving cylinder is effectively reduced, the service life of the free piston engine is prolonged, and the use cost of the free piston engine is reduced.
Description
Technical Field
The invention relates to the technical field of piston engines, in particular to a piston synchronizer of an opposed free piston engine.
Background
The free piston engine is an internal combustion engine without a crank connecting rod mechanism, the 'free' of the piston means that the piston of the engine is not constrained by a crankshaft like the traditional internal combustion engine, but the motion rule is determined by the gas pressure and the load acting on the piston, the positions of the upper dead point and the lower dead point of the piston can be changed, because the crankshaft is omitted, the free piston engine has the characteristics of small volume and compact structure, the stroke of the piston is variable, the friction loss is small, the opposed free piston engine is one of the opposed free piston engines, and the main characteristics are that the two pistons are symmetrically arranged and do mirror motion, a combustion chamber is arranged between the two pistons, the circulating mode of the two-stroke internal combustion engine is adopted, and the working principle is as follows: when the two pistons move inwards, air is compressed, when the pistons reach the inner dead point, fuel is sprayed to ignite and burn, the gas expands to push the two pistons to move towards the two sides respectively, the air in the rebound cavity is compressed, the elastic potential energy is stored, when the two pistons cross an air inlet (a left port) and an air outlet (a right port) in a distributed manner, scavenging starts, the air pressure of the air inlet is larger than that of the air outlet, fresh air enters from the air inlet and blows off waste gas from the air outlet to ensure enough oxygen in the cylinder, the pressure in the cavity is increased along with the compression of the rebound cavity, the speed of the piston moving outwards tends to zero, the rebound cavity pushes the two pistons inwards from the outer side to compress the air in the combustion chamber for next ignition, and the reciprocating motion of the pistons can drive the linear generator to generate electricity, or the oil pressure plunger pump is driven to be converted into pressure energy and the like, so that a synchronizer is required to be used for ensuring the synchronous motion of the pistons at the two sides of the free piston engine;
however, the synchronizer used in the free piston engine is a complex connecting rod structure, the upper limit of the stroke of the piston is limited by the size of the mechanical connecting rod structure, and the influence of the transportation mode of the connecting rod structure causes the piston to be subjected to extra radial force in the transportation process, so that the friction force between the piston and the cylinder is increased, the service life of the cylinder is shortened, and the development progress of the free piston engine is reduced.
Disclosure of Invention
The invention provides a piston synchronizer of an opposed free piston engine, which can effectively solve the problems that the synchronizer used in the free piston engine in the background technology is a complicated connecting rod structure, the size of a mechanical connecting rod structure limits the stroke upper limit of a piston, and the piston is influenced by the transportation mode of the connecting rod structure, so that the piston is subjected to additional radial force in the transportation process, the friction force between the piston and a cylinder is further increased, the service life of the cylinder is shortened, and the development progress of the free piston engine is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a piston synchronizer of an opposed free piston engine comprises a driving cylinder, wherein driving pistons are symmetrically and movably arranged on the inner side of the driving cylinder, and driving piston rods are fixedly connected to the middle part of one end of each driving piston at positions corresponding to the two ends of the driving cylinder;
the top and the bottom of the outer side of the driving cylinder are respectively provided with a mounting side panel, and two ends of each mounting side panel are fixedly provided with a mounting side column through bolts;
the end parts of the two driving piston rods are respectively sleeved with a mounting sleeve, the corner positions of the top end and the bottom end of each mounting sleeve are respectively fixedly connected with a steel cable connecting rod, the tail end of the outer side of each steel cable connecting rod is provided with a mounting groove, the middle part of the top end of each mounting sleeve is connected with a fixing pin in a penetrating manner through threads, and the mounting sleeves, the steel cable connecting rods and the mounting grooves jointly form a piston rod-steel cable connector;
pulley support frames are symmetrically and fixedly arranged at two ends of a mounting side panel at the bottom of the driving cylinder, and the tops of the inner sides of the pulley support frames are rotatably connected with guide pulleys through rotating shafts;
the tail end of the steel cable connecting rod is sleeved with a connecting hoop corresponding to the inner position of the mounting groove, and both sides of the connecting hoop are fixedly connected with traction steel cables;
the inner side of the mounting side panel is connected with a fixed support corresponding to the outer side of the traction steel cable through bolts, and the end part of the fixed support is rotatably connected with a magnetic guide wheel through a rotating shaft.
Preferably, the driving cylinder is a standard cylinder inside the piston engine, and a corresponding valve structure and a stroke limiting mechanism for driving the piston are arranged inside the driving cylinder.
Preferably, two installation side panel four corners department all runs through and has seted up installation rectangular groove, installation side panel limit portion corresponds installation side post tip position department and has all seted up U type mounting groove, two interval between the installation side panel is adjusted according to the length of installation side post.
Preferably, the inner side of the installation sleeve is tightly attached to the outer side of the corresponding drive piston rod, the fixing pin penetrates through the installation sleeve and the drive piston rod simultaneously, and the end face of the fixing pin is flush with the side face of the installation sleeve.
Preferably, the two mounting sleeves are symmetrically mounted, and the two cable connecting rods are centrosymmetrically distributed around the central axis of the driving piston rod.
Preferably, the pulley support frame and the guide pulleys are four groups, two groups are respectively arranged on two sides of the driving cylinder, the central axes of the four groups of guide pulleys are perpendicular to the central axis of the driving cylinder, and the central points of all the guide pulleys are located at the same height with the central axis of the driving cylinder.
Preferably, the number of the traction steel cables is four, the installation positions of the traction steel cables are distributed in a pairwise symmetrical mode about the central point of the driving cylinder, and the traction steel cables are wound on the outer sides of the corresponding guide pulleys.
Preferably, the starting end of the traction steel cable is connected with one side of the connecting hoop at one end of the driving cylinder, the tail end of the traction steel cable is connected with the other side of the connecting hoop at the other end of the driving cylinder, and the two connecting hoops are respectively positioned at the top and the bottom of the driving cylinder.
Preferably, the inner side of the magnetic guide wheel is tightly attached to the outer side of the traction steel cable, and the magnetic guide wheel and the traction steel cable are mutually attracted.
Preferably, the traction cable is always in a tight state in the movement process, and the movement direction of the traction cable is always kept in the axial direction of the driving cylinder.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. a flexible synchronizer is formed by matching the piston rod-steel cable connector and the traction steel cable with the guide pulley, so that synchronous operation of the driving piston inside the free piston engine is effectively ensured, meanwhile, by utilizing the centrosymmetric structural design of the piston rod-steel cable connector and the combined action of a plurality of groups of symmetrically arranged guide pulleys and the traction steel cable, radial force borne by the driving piston and the driving piston rod is effectively eliminated, and therefore, extra friction force generated between the driving piston and the inner wall of the driving cylinder due to extra radial force in the motion process of the driving piston is avoided, further, the abrasion speed of the driving cylinder is effectively reduced, the service life of the free piston engine is prolonged, and the use cost of the free piston engine is reduced.
2. Through optimization of the synchronizer structure principle, the mounting precision requirement of the synchronizer is effectively reduced, the synchronization of the movement in the movement process of the free piston engine can be ensured only by keeping the symmetry of the initial position of the driving piston in the mounting process of the synchronizer and keeping the traction steel cable tight after the mounting is finished, so that the mounting positions of the piston rod-steel cable connector and the guide pulley are more free, the adaptability of the synchronizer to the use environment is improved, and the popularization and the use of the free piston engine are facilitated.
3. Through the optimization to the synchronous ware structure, the effectual distribution range that changes the synchronous ware, make the motion subassembly of synchronous ware mainly distribute in the outside region of driving actuating cylinder, and the motion offset of synchronous ware is little, the required installation space of synchronous ware has further been compressed, and then the whole volume of free piston engine has been reduced, the process of the miniaturized of free piston engine has effectually been accelerated, the promotion efficiency of the relevant product of free piston engine has further been improved, the effectual use convenience that increases free piston engine, carry out the auxiliary stay to the haulage cable through fixed stay and magnetic guide wheel simultaneously, the effectual influence that reduces gravity to the haulage cable deflection, the performance of synchronous ware has further been improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the driving cylinder of the present invention;
FIG. 3 is a schematic view of the construction of the installation bushing installation of the present invention;
FIG. 4 is a schematic structural view of the present invention traction cable distribution;
FIG. 5 is a schematic view of the guide pulley mounting arrangement of the present invention;
FIG. 6 is a schematic structural view of the cable tie bar installation of the present invention;
FIG. 7 is a schematic view of the construction of the fixing pin installation of the present invention;
reference numbers in the figures: 1. a driving cylinder; 2. a drive piston; 3. a drive piston rod; 4. installing a side panel; 5. installing a side column; 6. installing a sleeve; 7. a wire rope connecting rod; 8. installing a groove; 9. a fixing pin; 10. a pulley support frame; 11. a guide pulley; 12. connecting the hoop ring; 13. a traction wire rope; 14. fixing and supporting; 15. magnetic guide wheel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-7, the invention provides a technical solution, a piston synchronizer of an opposed free piston engine, comprising a driving cylinder 1, driving pistons 2 symmetrically and movably arranged inside the driving cylinder 1, driving piston rods 3 fixedly connected to the middle part of one end of each driving piston 2 corresponding to the two ends of the driving cylinder 1, the driving cylinder 1 being a standard cylinder inside the piston engine, and a corresponding valve structure and a stroke limiting mechanism of the driving piston 2 being arranged inside the driving cylinder 1;
the top and the bottom of the outer side of the driving cylinder 1 are respectively provided with an installation side panel 4, two ends of each installation side panel 4 are respectively fixedly provided with an installation side column 5 through bolts, four corners of each installation side panel 4 are respectively provided with an installation long circular groove in a penetrating manner, the end parts of the installation side panels 4 corresponding to the installation side columns 5 are respectively provided with a U-shaped installation groove, and the distance between the two installation side panels 4 is adjusted according to the length of the installation side columns 5;
the end parts of the two driving piston rods 3 are respectively sleeved with a mounting sleeve 6, the corner positions of the top end and the bottom end of each mounting sleeve 6 are respectively and fixedly connected with a steel cable connecting rod 7, the two mounting sleeves 6 are symmetrically mounted, the two steel cable connecting rods 7 are centrally and symmetrically distributed about the central axis of the driving piston rod 3, the tail ends of the outer sides of the steel cable connecting rods 7 are respectively provided with a mounting groove 8, the middle part of the top end of each mounting sleeve 6 is in through connection with a fixing pin 9 through threads, the mounting sleeves 6, the steel cable connecting rods 7 and the mounting grooves 8 jointly form a piston rod-steel cable connector, the inner sides of the mounting sleeves 6 are tightly attached to the outer sides of the corresponding driving piston rods 3, the fixing pins 9 simultaneously penetrate through the mounting sleeves 6 and the driving piston rods 3, and the end faces of the fixing pins 9 are flush with the side faces of the mounting sleeves 6;
the tail end of the steel cable connecting rod 7 is sleeved with a connecting hoop 12 corresponding to the inner position of the mounting groove 8, two sides of the connecting hoop 12 are fixedly connected with traction steel cables 13, the total number of the traction steel cables 13 is four, the mounting positions of the traction steel cables 13 are distributed in pairwise symmetry with respect to the central point of the driving cylinder 1, the traction steel cables 13 are wound on the outer sides of the corresponding guide pulleys 11, the starting end of each traction steel cable 13 is connected with one side of the connecting hoop 12 at one end of the driving cylinder 1, the tail end of each traction steel cable 13 is connected with the other side of the connecting hoop 12 at the other end of the driving cylinder 1, the two connecting hoops 12 are respectively positioned at the top and the bottom of the driving cylinder 1, the traction steel cables 13 are always in a tight state in the motion process, the motion direction of the traction steel cables 13 is always kept in the axial direction of the driving cylinder 1, and a flexible synchronizer is formed by the matching between the piston rod-steel cable connector, the traction steel cables 13 and the guide pulleys 11, the synchronous operation of the driving piston 2 in the free piston engine is effectively ensured, and meanwhile, the radial force borne by the driving piston 2 and the driving piston rod 3 is effectively eliminated by utilizing the centrosymmetric structural design of the piston rod-steel cable connector and the combined action of a plurality of groups of guide pulleys 11 and traction steel cables 13 which are symmetrically arranged, so that extra friction force cannot be generated between the driving piston 2 and the inner wall of the driving cylinder 1 due to extra radial force in the motion process of the driving piston 2, the abrasion speed of the driving cylinder 1 is effectively reduced, the service life of the free piston engine is prolonged, and the use cost of the free piston engine is reduced;
the inner side of the mounting side panel 4 is connected with a fixed support 14 corresponding to the outer side of the traction steel cable 13 through bolts, the end part of the fixed support 14 is rotatably connected with a magnetic guide wheel 15 through a rotating shaft, the inner side of the magnetic guide wheel 15 is tightly attached to the outer side of the traction steel cable 13, and the magnetic guide wheel 15 and the traction steel cable 13 are mutually attracted, through the optimization of the synchronizer structure, the distribution range of the synchronizer is effectively changed, so that the moving components of the synchronizer are mainly distributed in the outer region of the driving cylinder 1, the movement offset of the synchronizer is small, the mounting space required by the synchronizer is further compressed, the whole volume of the free piston engine is further reduced, the miniaturization process of the free piston engine is effectively accelerated, the popularization efficiency of related products of the free piston engine is further improved, and the use convenience of the free piston engine is effectively increased, meanwhile, the fixed support 14 and the magnetic guide wheel 15 are used for supporting the traction steel cable 13 in an auxiliary mode, so that the influence of gravity on the deformation of the traction steel cable 13 is effectively reduced, and the use performance of the synchronizer is further improved.
The working principle and the using process of the invention are as follows: in the practical application process, in the running process of the free piston engine, when two driving pistons 2 in a driving cylinder 1 are transported to two ends of the driving cylinder 1 under the action of gas expansion, each driving piston 2 drives a corresponding driving piston rod 3 to slide along the direction of the central axis of the driving cylinder 1;
in the motion process of the driving piston rod 3, the fixing pin 9 drives the mounting sleeve 6 to synchronously move, and then the steel cable connecting rod 7 is driven to synchronously move through the motion of the mounting sleeve 6, the corresponding traction steel cable 13 is pulled through the connecting hoop 12 in the motion process of the steel cable connecting rod 7, one end of the corresponding traction steel cable 13 is pulled, the motion direction of the traction steel cable 13 is converted through the guide of the guide pulley 11, meanwhile, the connecting hoop 12 at the other end of the driving cylinder 1 is pulled through the tail end of the traction steel cable 13, and the mounting sleeve 6 and the steel cable connecting rod 7 at the other end of the driving cylinder 1 are driven to synchronously move through the connecting hoop 12, and because the two groups of driving pistons 2 and the driving piston rod 3 are synchronously driven by the expansion gas;
when the driving piston 2 and the driving piston rod 3 at one end of the driving cylinder 1 are influenced by friction force or other factors to generate motion lag, the tension state traction steel cable 13 arranged at the outer side of the driving piston rod 3 can apply an extra axial traction force to the lagging driving piston rod 3, and similarly, when the driving piston 2 and the driving piston rod 3 at one end move ahead, the traction steel cable 13 on the driving piston rod 3 at the other end can be used for carrying out reverse traction, so that the synchronous motion of the driving piston 2 and the driving piston rod 3 at the two ends of the driving cylinder 1 is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A piston synchronizer of an opposed free piston engine comprises a driving cylinder (1), and is characterized in that: the inner side of the driving cylinder (1) is symmetrically and movably provided with driving pistons (2), and the middle part of one end of each driving piston (2) is fixedly connected with driving piston rods (3) corresponding to the positions of the two ends of the driving cylinder (1);
the top and the bottom of the outer side of the driving cylinder (1) are respectively provided with a mounting side panel (4), and two ends of each mounting side panel (4) are respectively fixedly provided with a mounting side column (5) through bolts;
the end parts of the two driving piston rods (3) are respectively sleeved with a mounting sleeve (6), the corner positions of the top end and the bottom end of each mounting sleeve (6) are respectively and fixedly connected with a steel cable connecting rod (7), the tail end of the outer side of each steel cable connecting rod (7) is provided with a mounting groove (8), the middle part of the top end of each mounting sleeve (6) is in through connection with a fixing pin (9) through threads, and the mounting sleeves (6), the steel cable connecting rods (7) and the mounting grooves (8) jointly form a piston rod-steel cable connector;
pulley support frames (10) are symmetrically and fixedly installed at two ends of an installation side panel (4) positioned at the bottom of the driving cylinder (1), and the tops of the inner sides of the pulley support frames (10) are rotatably connected with guide pulleys (11) through rotating shafts;
the tail end of the steel cable connecting rod (7) is sleeved with a connecting hoop (12) at a position corresponding to the inner part of the mounting groove (8), and two sides of the connecting hoop (12) are fixedly connected with traction steel cables (13);
the inner side of the installation side panel (4) is connected with a fixed support (14) corresponding to the outer side of the traction steel cable (13) through bolts, and the end part of the fixed support (14) is rotatably connected with a magnetic guide wheel (15) through a rotating shaft.
2. Piston synchronizer for opposed free piston engine according to claim 1 characterized in that the driving cylinder (1) is a standard cylinder inside a piston engine, inside the driving cylinder (1) there are arranged corresponding valve structure and stroke limit mechanism of the driving piston (2).
3. The piston synchronizer of the opposed free piston engine according to claim 1, wherein the two mounting side panels (4) are provided with mounting long circular grooves at four corners, the side portions of the mounting side panels (4) are provided with U-shaped mounting grooves at positions corresponding to the end portions of the mounting side columns (5), and the distance between the two mounting side panels (4) is adjusted according to the length of the mounting side columns (5).
4. Piston synchronizer for opposed free piston engines according to claim 1, characterized in that the inside of the mounting sleeve (6) is tightly attached to the outside of the corresponding drive piston rod (3), the fixing pin (9) penetrates through the mounting sleeve (6) and the drive piston rod (3) at the same time, and the end face of the fixing pin (9) is flush with the side face of the mounting sleeve (6).
5. Piston synchronizer for opposed free piston engines according to claim 1, characterized in that the two mounting sleeves (6) are mounted symmetrically and the two wire rope connecting rods (7) are distributed centrally symmetrically with respect to the centre axis of the driving piston rod (3).
6. The piston synchronizer of the opposed free piston engine according to claim 1, characterized in that the pulley support frame (10) and the guide pulleys (11) have four groups, two groups are respectively arranged at two sides of the driving cylinder (1), the central axes of the four groups of guide pulleys (11) are perpendicular to the central axis of the driving cylinder (1), and the central points of all the guide pulleys (11) are positioned at the same height with the central axis of the driving cylinder (1).
7. Piston synchronizer for opposed free piston engines according to claim 1 characterized in that the traction cables (13) are four in number and the installation positions of the traction cables (13) are distributed symmetrically in pairs with respect to the center point of the driving cylinder (1), the traction cables (13) being wound on the outside of the corresponding guide pulley (11).
8. Piston synchronizer for opposed free piston engine according to claim 1 characterized in that the starting end of the pulling cable (13) is connected to one side of the connecting hoop (12) at one end of the driving cylinder (1), the end of the pulling cable (13) is connected to the other side of the connecting hoop (12) at the other end of the driving cylinder (1), and the two connecting hoops (12) are located at the top and bottom of the driving cylinder (1) respectively.
9. The piston synchronizer of an opposed free piston engine according to claim 1, wherein the inner side of the magnetic guide wheel (15) is closely attached to the outer side of the traction cable (13), and the magnetic guide wheel (15) and the traction cable (13) are attracted to each other.
10. Piston synchronizer for opposed free piston engines according to claim 1, characterized in that the traction cable (13) is always in tension during the movement and the direction of movement of the traction cable (13) is always maintained in the direction of the axis of the driving cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210517558.1A CN114856807B (en) | 2022-05-13 | 2022-05-13 | Piston synchronizer of opposed free piston engine |
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| CN202210517558.1A CN114856807B (en) | 2022-05-13 | 2022-05-13 | Piston synchronizer of opposed free piston engine |
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| CN114856807B CN114856807B (en) | 2023-11-10 |
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