CN102661257B - Rubber belt type energy accumulator - Google Patents
Rubber belt type energy accumulator Download PDFInfo
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- CN102661257B CN102661257B CN201210133635.XA CN201210133635A CN102661257B CN 102661257 B CN102661257 B CN 102661257B CN 201210133635 A CN201210133635 A CN 201210133635A CN 102661257 B CN102661257 B CN 102661257B
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Abstract
The invention discloses a rubber belt type energy accumulator and aims to provide a novel rubber belt type energy accumulator which is high in energy transformation ratio, high in energy density, light in weight and simple in structure. The rubber belt type energy accumulator comprises an end cover, a casing, a rubber belt, a rotary drum, multiple guiding rolling shafts, a power transmission shaft, a brake shaft and a brake device, wherein the rubber belt is supported by the multiple guiding rolling shafts to extend along an approximate Archimedes spiral. The rubber belt type energy accumulator can be used for storing and transforming kinetic energy; in the energy accumulation process, the kinetic energy inputted to the energy accumulator can be stored in the form of rubber belt elastic potential energy; and in the energy releasing process, the elastic potential energy stored in the rubber belt is transformed into kinetic energy which is outputted to the external environment. The rubber belt type energy accumulator is suitable for recycling braking energy of equipments such as vehicles and elevators.
Description
Technical field
The present invention relates to a kind of accumulator, more particularly, the present invention relates to a kind of rubber belt type accumulator.
Background technique
In the equipment moving processes such as vehicle, elevator, often there is frequent braking, situation about starting.In braking process, the kinetic energy of the equipment such as vehicle, elevator changes heat energy etc. into by braking device and slatterns.For making full use of the braking energy of the equipment such as vehicle, elevator, conventionally there are three kinds of braking energy way of recycling:
The first braking energy way of recycling is by the kinetic transformation of vehicle, elevator etc., to be that hydraulic energy, air pressure can be stored in accumulator by secondary components such as oil hydraulic pump, air compressors.Hydraulic pressure or gas-loaded accumulator are mainly divided into the types such as gas-filled type, gravity type and spring.Gas-filled type accumulator comprises air sac type, piston type, direct contact type etc., is mainly used in hydraulic pressure, pressure system, in energy storage process, can not use separately, and exists the defect that energy transformation ratio is low, energy density is little.Although gravity type accumulator and spring loaded accumulator energy transformation ratio are high, exist the too low deficiency of energy density.
The second braking energy way of recycling is by the kinetic transformation electrical power storage of vehicle, elevator etc. by generator.The device of store electrical energy mainly contains storage battery, super capacitor etc., and the two all will change mechanical energy into power storage by generator, also exists energy conversion efficiency low, the low deficiency that waits of braking energy recovery utilization rate.
The third braking energy way of recycling is directly the kinetic transformation of rotary component to be stored as to kinetic energy or potential energy, this energy storage mode mainly contains clockwork spring energy storage and two kinds of forms of flywheel energy storage at present, owing to carrying out transformation of energy without secondary component, energy conversion efficiency is high.Clockwork spring energy storage, because energy density is low, is generally only used on clock and watch and toy.Flywheel energy storage is because cost is high, and technical difficulty is large, still immature at present.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, a kind of new type rubber belt accumulator that can energy transformation ratio is high, energy density is large, lightweight, simple in structure is provided.
For solving the problems of the technologies described above, rubber belt type accumulator of the present invention, comprises end cap, housing, rubber tape, cylinder, a plurality of guiding roller bearing, power transmission shaft, brake axle and braking device.End cap and housing are split-type structurals, end cap and housing are bolted to connection, end cap and enclosure interior form a cavity, on housing, there is mounting base, between end cap and housing, adopt seam or locating stud location, rubber tape, cylinder, a plurality of guiding roller bearing are all positioned at the cavity inside of end cap and housing formation completely.
Cylinder adopts hollow core structure, both can reduce weight, saves material, can reduce again the rotary inertia of cylinder.The left end of cylinder is fixedly attached to the right-hand member of power transmission shaft with bolt, the right-hand member of cylinder is fixedly attached to the left end of brake axle with bolt, the left end of power transmission shaft reaches end cap outside, the intermediate portion of power transmission shaft by bearings on end cap, the right-hand member of brake axle reaches the outside of housing, the right-hand member of brake axle is fixedly connected with brake disc by nut, the intermediate portion of brake axle by bearings on housing, the left end of a plurality of guiding roller bearings is all installed and is supported in the bearing saddle bore of end cap by a plurality of bearings, the right-hand member of a plurality of guiding roller bearings is all installed and is supported in the bearing saddle bore of housing by a plurality of bearings.
Rubber belt type accumulator can adopt wall scroll rubber tape or many slat gums band, the inner of rubber tape is placed in inner fixedly punch holder and inner fixedly between die holder, and be bolted in the inner mounting groove of rubber tape that is clamped in cylinder, the intermediate portion of rubber tape is by a plurality of guiding roller support, this supporting way is conducive to increase the length of rubber tape, thereby increase the energy that rubber tape can store, a plurality of guiding roller bearings are arranged on end cap and housing by bearing, the hole central distribution of the bearing saddle bore of end cap be take on the Archimedes spiral that cylinder external diameter is basic circle at one, the hole central distribution of the bearing saddle bore of housing be take on the Archimedes spiral that cylinder external diameter is basic circle at one, the outer end of rubber tape is placed in outer end fixedly punch holder and outer end fixedly between die holder, and be bolted on the cylinder wall that is clamped in housing inner chamber.While adopting many slat gums band, for making each slat gum band stress equalization, the length of every slat gum band, width, thickness are identical.Rubber tape, when stored energy is not strained, because rubber tape length is shorter, is wrapped on cylinder by individual layer; When rubber tape is strained in stored energy, because rubber tape length is elongated, the length of increase by multi-lay winding on cylinder.
Braking device comprises braking device housing, braking clamp body and piston.Braking device is positioned at the right side of housing, by bolt, the braking device housing of braking device is fixedly connected on housing, on braking clamp body, there is positioning boss, the locating slot of positioning boss and braking device housing is Spielpassung, because the length of positioning boss is less than 3～6 millimeters of the length of locating slot, make braking clamp body in braking device housing, have the axial clearance of 3～6 millimeters, there is guide finger braking clamp body one end, the guide pin hole of guide finger and braking device housing is Spielpassung, the other end of braking clamp body has a piston cavity, braking clamp body outer end You Yige UNICOM is to the brake fluid pressure hydraulic fluid port of piston cavity, piston is arranged in piston cavity, braking clamp body has its inner side, one end of guide finger to be connected with fixedly brake slipper, piston is equipped with movable brake slipper in the one end near brake disc, make fixedly brake slipper and movable brake slipper lay respectively at the end face both sides of brake disc, and fixedly the both ends of the surface of brake slipper and movable brake slipper and brake disc keep respectively the gap of 0.3～0.8 millimeter.
When supplying with the hydraulic oil of certain pressure to brake fluid pressure hydraulic fluid port, piston stretches out under hydraulic pressure, first make the brake slipper of the outer end of piston be pressed on a side end face of brake disc, because braking clamp body has the axial clearance of 3～6 millimeters in braking device housing, can make braking clamp body outwards move, thereby fixedly brake slipper is pressed on the opposite side end face of brake disc, and braking device is in braking state; When the pressure release of brake fluid pressure hydraulic fluid port, piston return, makes the brake slipper of outer end and a generation gap, side end face of brake disc of piston, and makes the fixedly opposite side end face of brake slipper and brake disc produce gap, and braking device is in non-braking state.
The basic functional principle of rubber belt type accumulator is: the mounting base of accumulator housing is fixed, in the process of accumulator stored energy, braking device keeps non-braking device state, from power transmission shaft input kinetic energy, drive cylinder rotates, because rubber tape the inner is fixed on cylinder, rubber tape outer end is fixed on housing, rubber tape intermediate portion is by a plurality of guiding roller support, the rotation of cylinder makes rubber tape start to be tightened up from the inner and is successively wrapped in cylinder, and the kinetic energy of input stores with the form of rubber tape elastic potential energy; In the process releasing energy at accumulator, braking device keeps non-braking device state, and the rubber tape being tightened up shrinks under elastic force effect, drives cylinder to rotate, and the elastic potential energy that rubber tape is stored is converted into kinetic energy, from power transmission shaft output kinetic energy; At accumulator, when neither stored energy does not release energy yet, cylinder is braked device braking, and cylinder can not rotate, and the length of rubber tape remains unchanged, and the energy reserving of accumulator is constant.
The present invention compared with prior art, its advantage is: the accumulation of energy medium of rubber belt type accumulator is the rubber tape that rubber material is made, the length of rubber tape is large, the density of rubber is little, and its density is only 0.128 times of alloyed steel density, and the elastic deformation amount of rubber is large, thereby the energy density that makes rubber belt type accumulator is high, lightweight, meanwhile, rubber belt type accumulator has been realized the mutual conversion of kinetic energy and rubber tape elastic potential energy, and energy conversion efficiency is high, speed is fast.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the embodiment of the present invention one.
Fig. 2 is that the embodiment of the present invention one is along the sectional view of I-I line in Fig. 1
Fig. 3 is a plurality of orienting roll bearing housings hole site distribution characteristics figure of the embodiment of the present invention one
Fig. 4 is the structural drawing of the embodiment of the present invention two.
In figure: 1. end cap, 1a. bearing saddle bore, 1b. bearing saddle bore, 2. housing, 2a. bearing saddle bore, 2b. bearing saddle bore, 3. rubber tape, 3a. outer end, 3b. is inner, 4. the fixing punch holder in outer end, 5. the fixing die holder in outer end, 6. bolt, 7. many guiding roller bearings, 8. bearing, 9. cylinder, the inner mounting groove of 9a. rubber tape, 10. braking device, 11. braking device housings, 11a. braking clamp body locating slot, 11b. braking clamp body guide pin hole, 12. braking clamp bodies, 12a. braking clamp body positioning boss, 12b. braking clamp body guide finger, 12c. brake fluid pressure hydraulic fluid port, 12d. piston cavity, 13. pistons, 14. movable brake slipper, 15. fixing brake slipper, 16. brake axles, 17. nuts, 18. bearings, 19. brake discs, 20. mounting base, 21. power transmission shafts, 22. bearings, 23. inner fixedly die holders, 24. bolts, 25. inner fixedly punch holders, 26. bearings.
Embodiment
Embodiment
Below in conjunction with drawings and Examples, describe the present invention.
As depicted in figs. 1 and 2, the rubber belt type accumulator of the embodiment of the present invention one comprises: end cap 1, housing 2, rubber tape 3, cylinder 9, a plurality of guiding roller bearing 7, power transmission shaft 21, brake axle 16 and braking device 10, wherein rubber tape 3 adopts wall scroll rubber tape.
End cap 1 is split-type structurals with housing 2, end cap 1 is bolted to connection with housing 2, end cap and enclosure interior form a cavity, between end cap 1 and housing 2, use seam to position, to guarantee the mounting point precision of end cap 1 and housing 2, the right side of housing 2 is fixedly connected with braking device 10, on housing 2, there is mounting base 20, be used in use rubber belt type accumulator to fix, the left end of cylinder 9 is connected with power transmission shaft 21 with bolt, power transmission shaft 21 intermediate portions are supported on end cap 1 by bearing 22, the right-hand member of cylinder 9 is connected with the brake axle 16 of braking device 10 with bolt, cylinder 9 adopts hollow core structure, on its external cylindrical surface, there is one for the mounting groove 9a of the inner 3b of rubber tape is installed, the intermediate portion of brake axle 16 is supported on housing 2 by bearing 18, the right-hand member of brake axle 16 is fixedly connected with brake disc 19 in the outside of housing 2 by nut 17, brake disc 19 is between the fixedly brake slipper 15 and movable brake slipper 14 of braking device 10, the inner 3b of rubber tape 3 is placed in inner fixedly punch holder 25 and inner fixedly between die holder 23, by bolt 24, be fixed and be clamped in the inner mounting groove 9a of rubber tape on cylinder 9, the intermediate portion of rubber tape 3 supports by a plurality of guiding roller bearings 7, the left end of a plurality of guiding roller bearings 7 is all installed and is supported in the bearing saddle bore 1a of end cap 1 by bearing 26, the right-hand member of a plurality of guiding roller bearings 7 is all installed and is supported in the bearing saddle bore 2a of housing 2 by bearing 8.The outer end 3a of rubber tape 3 is placed in outer end, and fixedly punch holder 4 and outer end fixedly between die holder 5, are fixed and are clamped on the cylinder wall of housing 2 inner chambers by bolt 6.
Braking device 10 is positioned at the right side of housing 2, and braking device 10 comprises braking device housing 11, braking clamp body 12 and piston 13, by bolt, braking device housing 11 is fixedly connected on housing 2.Braking clamp body 12 be provided with positioning boss 12a, the locating slot 11a of positioning boss 12a and braking device housing 11 is Spielpassung, the length of positioning boss 12a is less than 4 millimeters of the length of locating slot 11a, make braking clamp body 12 in braking device housing 11, have the axial clearance of 4 millimeters, one end of braking clamp body 12 is provided with guide finger 12b, the guide pin hole 11b of guide finger 12b and braking device housing 11 adopts Spielpassung, the other end of braking clamp body 12 has a piston cavity 12d, braking clamp body 12 outer end You Yige UNICOMs are to the brake fluid pressure hydraulic fluid port 12c of piston cavity 12d, piston 13 is arranged in piston cavity 12d, its inner side, one end that is provided with guide finger 12b of braking clamp body 12 is connected with fixedly brake slipper 15, piston 13 is equipped with movable brake slipper 14 in the one end near brake disc 19, fixedly brake slipper 15 and movable brake slipper 14 lay respectively at the end face both sides of brake disc 19, fixedly the both ends of the surface of brake slipper 15 and movable brake slipper 14 and brake disc 19 keep respectively the gap of 0.4 millimeter.
Fig. 3 is a plurality of orienting roll bearing housings hole 2a position distribution characteristic pattern of the embodiment of the present invention one.Even for guaranteeing rubber tape 3 distortion in stretching or contraction process, the intermediate portion rubber tape not being wrapped on cylinder supports by a plurality of guiding roller bearings 7, this supporting way is conducive to increase the length of rubber tape 3, thereby increase by 3 energy that can store of rubber tape, a plurality of guiding roller bearings 7 are arranged on end cap 1 and housing 7 by bearing 8, and the hole central distribution of the bearing saddle bore 2a of housing 2 be take on the Archimedes spiral 2b that cylinder external diameter is basic circle at one.Same, the central distribution of the bearing saddle bore 1a of end cap 1 be take on the Archimedes spiral that cylinder external diameter is basic circle at one, and the bearing saddle bore 1a of end cap and the bearing saddle bore 2a of housing are corresponding and keep symmetrical one by one.
Shown in Fig. 4, be the rubber belt type accumulator structure figure of the embodiment of the present invention two, comprise end cap 1, housing 2, rubber tape 3, cylinder 9, a plurality of guiding roller bearing 7, power transmission shaft 21, brake axle 16 and braking device 10.The rubber tape 3 of the embodiment of the present invention two is four slat gum bands, and for making each slat gum band stress equalization, the structure of every slat gum band is identical, and the structure characteristic of other each several parts is identical with the rubber belt type accumulator of the embodiment of the present invention one.
When rubber belt type accumulator is installed, mounting base 24 is fixing.At accumulator when neither stored energy does not release energy yet, to brake fluid pressure hydraulic fluid port 12d, supply with the hydraulic oil of certain pressure, piston 13 stretches out under hydraulic pressure, first make the movable brake slipper 14 of piston 13 outer ends be pressed on a side end face of brake disc 19, because braking clamp body 12 has the axial clearance of 4 millimeters in braking device housing 11, braking clamp body 12 is outwards moved, thereby fixedly brake slipper 15 is pressed on the opposite side end face of brake disc, braking device 10 is in braking state, cylinder 9 is braked device 10 brakings, cylinder 9 can not rotate, the length of rubber tape 3 remains unchanged, the energy reserving of accumulator is constant, in accumulator stored energy process, hydraulic oil is from brake fluid pressure hydraulic fluid port 12d pressure release, piston 13 returns, the movable brake slipper 14 that makes to be connected with piston 13 one end and a side end face of brake disc 19 produce the gap of 0.4 millimeter, fixedly the opposite side end face of brake slipper 15 and brake disc 19 produces the gap of 0.4 millimeter, braking device 10 is in non-braking state, from power transmission shaft 21 input kinetic energy, drive cylinder 9 to rotate, due to rubber tape, inner 3b is fixed on cylinder 9, rubber tape 3 outer end 3b are fixed on housing 2, the intermediate portion of rubber tape 3 has a plurality of guiding roller bearings 7 to support, the rotation of cylinder 3 is tightened up rubber tape 3 and starts to be successively wrapped in cylinder 9 from inner 3b, the kinetic energy of input stores with the form of rubber tape elastic potential energy, in the process releasing energy at accumulator, hydraulic oil is from brake fluid pressure hydraulic fluid port 12d pressure release, piston 13 returns, the movable brake slipper 14 that makes to be connected with piston 13 one end and a side end face of brake disc 19 produce the gap of 0.4 millimeter, fixedly the opposite side end face of brake slipper 15 and brake disc 19 produces the gap of 0.4 millimeter, braking device 10 is in non-braking state, the rubber tape 3 being tightened up shrinks under elastic force effect, drive cylinder 9 to rotate, the elastic potential energy that rubber tape 3 is stored is converted into kinetic energy, from power transmission shaft 21 outputs.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned mode of execution, in the ken possessing at affiliated technical field those of ordinary skill, can also under the prerequisite that does not depart from aim of the present invention, make various variations.
Claims (5)
1. a rubber belt type accumulator, comprises end cap (1), housing (2), rubber tape (3), cylinder (9), a plurality of guiding roller bearing (7), power transmission shaft (21), brake axle (16) and braking device (10), it is characterized in that:
Described end cap (1) is split-type structural with housing (2), and end cap (1) is bolted to connection with housing (2), and a cavity of end cap (1) and the inner formation of housing (2), has mounting base (20) on housing (2);
Described rubber tape (3), cylinder (9), a plurality of guiding roller bearing (7) are all positioned at the cavity inside of end cap (1) and housing (2) formation completely;
The left end of described cylinder (9) is fixedly attached to the right-hand member of power transmission shaft (21) with bolt, the right-hand member of cylinder (9) is fixedly attached to the left end of brake axle (16) with bolt;
The left end of described power transmission shaft (21) reaches end cap (1) outside, and the intermediate portion of power transmission shaft (21) is supported on end cap (1) by bearing (22);
The right-hand member of described brake axle (16) reaches the outside of housing (2), and the right-hand member of brake axle (16) is fixedly connected with brake disc (19), and the intermediate portion of brake axle (16) is supported on housing (2) by bearing (18);
The left end of described a plurality of guiding roller bearings (7) all passes through a plurality of bearings (26) installation and is supported in the bearing saddle bore (1a) of end cap (1), and the right-hand member of a plurality of guiding roller bearings (7) all passes through a plurality of bearings (8) installation and is supported in the bearing saddle bore (2a) of housing (2);
The inner (3b) of described rubber tape (3) is placed in inner fixedly punch holder (25) and inner fixedly between die holder (23), and fix to clamp in the inner mounting groove of rubber tape (9a) of cylinder (9) by bolt (24), the intermediate portion of rubber tape (3) supports by a plurality of guiding roller bearings (7), the outer end (3a) of rubber tape (3) is placed in outer end fixedly punch holder (4) and outer end fixedly between die holder (5), and fixes to clamp on the cylinder wall of housing (2) inner chamber by bolt (6);
Described braking device (10) is positioned at the right side of housing (2), by bolt, the braking device housing (11) of braking device (10) is fixedly connected on housing (2), fixedly brake slipper (15) and movable brake slipper (14) lay respectively at the end face both sides of brake disc (19), and fixedly the both ends of the surface of brake slipper (15) and movable brake slipper (14) and brake disc (19) keep respectively the gap of 0.3～0.8 millimeter.
2. rubber belt type accumulator as claimed in claim 1, is characterized in that: described rubber tape (3) is wall scroll rubber tape or many slat gums band.
3. rubber belt type accumulator as claimed in claim 1, is characterized in that: described cylinder (9) is hollow core structure.
4. rubber belt type accumulator as claimed in claim 1, it is characterized in that: the central distribution of the bearing saddle bore (1a) of described end cap (1) be take on the Archimedes spiral that cylinder external diameter is basic circle at one, the central distribution of the bearing saddle bore (2a) of described housing (2) be take on the Archimedes spiral that cylinder external diameter is basic circle at one.
5. rubber belt type accumulator as claimed in claim 1, it is characterized in that: described braking device (10) comprises braking device housing (11), braking clamp body (12) and piston (13), braking clamp body (12) is provided with positioning boss (12a), positioning boss (12a) is Spielpassung with the locating slot (11a) of braking device housing (11), the length of positioning boss (12a) is less than 3～6 millimeters of the length of locating slot (11a), make braking clamp body (12) have the axial clearance of 3～6 millimeters in braking device housing (11), there is guide finger (12b) one end of braking clamp body (12), guide finger (12b) is Spielpassung with the guide pin hole (11b) of braking device housing (11), the other end of braking clamp body (12) has a piston cavity (12d), braking clamp body (12) outer end You Yige UNICOM is to the brake fluid pressure hydraulic fluid port (12c) of piston cavity, piston (13) is arranged in piston cavity (12d), braking clamp body (12) has its inner side, one end of guide finger (12b) to be connected with fixedly brake slipper (15), movable brake slipper (14) is equipped with in one end of stretching out piston cavity (12d) of piston (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133635.XA CN102661257B (en) | 2012-05-04 | 2012-05-04 | Rubber belt type energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133635.XA CN102661257B (en) | 2012-05-04 | 2012-05-04 | Rubber belt type energy accumulator |
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| Publication Number | Publication Date |
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| CN102661257A CN102661257A (en) | 2012-09-12 |
| CN102661257B true CN102661257B (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210133635.XA Expired - Fee Related CN102661257B (en) | 2012-05-04 | 2012-05-04 | Rubber belt type energy accumulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016036233A1 (en) * | 2014-09-01 | 2016-03-10 | Manuel Vieira Barreiro | Energy converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241229A (en) * | 2013-05-07 | 2013-08-14 | 山东理工大学 | Elastic rubber band energy accumulator type automobile braking energy regeneration control system |
| CN103264690B (en) * | 2013-05-07 | 2015-05-27 | 山东理工大学 | Elastic rubber belt energy accumulator type loader-braked energy regeneration control system |
| CN103206502B (en) * | 2013-05-07 | 2015-10-28 | 山东理工大学 | Elastic rubber belt energy accumulator formula mechanical loader braking regeneration of energy transmission device |
| CN103603931B (en) * | 2013-05-07 | 2017-02-15 | 山东理工大学 | Electric automobile brake energy regeneration transmission device with elastic rubber belt energy accumulator |
| CN107972643B (en) * | 2017-11-27 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | Vehicle energy recovery system and control method |
| RO133989A3 (en) | 2019-11-18 | 2021-05-28 | Mircea Sângeorzan | Elastic motor |
| CN114934760B (en) * | 2022-05-31 | 2024-02-20 | 吐鲁番沃博科技有限责任公司 | Energy-saving oil pumping machine |
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| SU1686219A1 (en) * | 1989-02-13 | 1991-10-23 | И.Г.Бадаев, В.В Белин и А.М.Брайловский | Drive device |
| US6079471A (en) * | 1994-04-06 | 2000-06-27 | Newell Operating Company | Cordless, balanced window covering |
| EP1468482A1 (en) * | 2002-01-04 | 2004-10-20 | Stéphane Huguenin | Manual charger for electric system |
| CN202628410U (en) * | 2012-05-04 | 2012-12-26 | 山东理工大学 | Rubber-belt-type energy storage device |
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2012
- 2012-05-04 CN CN201210133635.XA patent/CN102661257B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1686219A1 (en) * | 1989-02-13 | 1991-10-23 | И.Г.Бадаев, В.В Белин и А.М.Брайловский | Drive device |
| US6079471A (en) * | 1994-04-06 | 2000-06-27 | Newell Operating Company | Cordless, balanced window covering |
| EP1468482A1 (en) * | 2002-01-04 | 2004-10-20 | Stéphane Huguenin | Manual charger for electric system |
| CN202628410U (en) * | 2012-05-04 | 2012-12-26 | 山东理工大学 | Rubber-belt-type energy storage device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016036233A1 (en) * | 2014-09-01 | 2016-03-10 | Manuel Vieira Barreiro | Energy converter |
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