CN102588255A - Fan - Google Patents
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- CN102588255A CN102588255A CN2012100444268A CN201210044426A CN102588255A CN 102588255 A CN102588255 A CN 102588255A CN 2012100444268 A CN2012100444268 A CN 2012100444268A CN 201210044426 A CN201210044426 A CN 201210044426A CN 102588255 A CN102588255 A CN 102588255A
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Abstract
The invention discloses a fan, which comprises a power device and fan blades, wherein fluid passages are arranged in the fan blades, multiple fluid leading-in holes of the fluid passages are arranged in the front surfaces of the fan blades; the fan also comprises a motor, an air suction port of the motor is communicated with the fluid passages of the fan blades through conduits, and an exhaust port of the motor is a fluid leading-out hole. According to the technical scheme, a pressure difference transfer area is formed at the periphery of the fan, the flow rate of the pressure difference transfer area is much higher than the air speed of the fan and a great pressure difference with a positive pressure zone generated by the discharged fluid is formed; the pressure difference is much greater than that of a conventional fan, the slow fluid in the positive pressure zone certainly transfers to the quick fluid in a negative pressure zone instantly and simultaneously drives the surrounding fluid to transfer pressure difference by taking the negative pressure zone as a center and drives high pressure to transfer pressure difference to the low pressure zone, just like water flowing to a lower position. By the matching of a pressure difference transfer zone with soft wind discharged by a fan, comfortable air flow can be formed under the interaction of the pressure difference transfer zone and the soft wind, thereby achieving a good effect.
Description
Technical field
The present invention relates to a kind of housed device, refer in particular to and a kind ofly produce interactive equipment through fluid pressure differential and fan exhaust.
Background technique
Fan is widely-used as a kind of cooling system that ventilates and relieve summer heat, and is little of family's venter, and the big fan that uses to industry all is to produce the size of air displacement according to the size of power, so the effect that reaches is all undesirable.The suction and discharge that produce through wheel rotation make air flow, but air flow is at a high speed felt very ill the people, and slow wind speed does not have effect again.Produce the equipment of pressure with fan, through suction and discharge, also can not produce high pressure, so be necessary fan is improved because of just.
The air-breathing exhaust that conventional fan is extremely strong produces very big air flow, and slow wind speed does not have not effect of sensation again; Though very fast wind speed can produce certain pressure difference, surrounding atmosphere is aweather circulated move, and blows to human body and feels again to feel bad; So after forming pressure difference between the positive negative pressure, just can make wind speed produce better action, but inevitably can only forming very fast wind speed through high flow rate, conventional fan produces lowpressure more a little, the highpressure that the slow air of surrounding environment is produced shifts to the lowpressure that high wind speed produces; So form the mobile effect that reaches the cooling of relieving summer heat of fan ambient air, but very fast wind speed makes the people be difficult to receive, also bad to health; Moreover; The lowpressure that the fan high flow rate produces, the flow velocity of discharging because of the normal domestic use fan is also not too high, and is also little with the pressure difference of surrounding atmosphere; So it is also unhappy to produce pressure difference transition range speed, the air flow property effect is also bad.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of fan and produces the air flow interaction effect jointly through pressure difference and air draft; Produce more greatly, the fan of more comfortable air flow, a kind of equipment that produces bigger pressure and Driving force through pressure difference is provided simultaneously.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of fan is provided, comprises power plant, flabellum, said flabellum inside is provided with the fluid passage, and the front of flabellum is provided with the fluid introducing port of a plurality of fluid passages; Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the fluid passage of flabellum through conduit, and the relief opening of motor is the fluid export mouth, communicates with the external world.
In order to increase the gap of inside and outside fluid path, form bigger pressure difference, in the present technique scheme, said fluid passage comprises top fluid passage and lower floor fluid passage, the top fluid passage communicates with the lower floor fluid passage; The flabellum front is provided with the fluid introducing port of a plurality of fluid passages, communicates with the top fluid passage; The lower floor fluid passage communicates with the intakeport of motor.
Wherein, the power plant of said fan are through central rotating shaft and the coaxial setting of flabellum, and central rotating shaft is provided with cover body in an end of flabellum, and motor is located in the cover body, and the relief opening of motor is located on the cover body.
In an improved technological scheme, said motor is arranged on outside the fan.
In order to solve the problems of the technologies described above, the present technique scheme provides a kind of fan, comprises the annular fan; Be provided with the fluid passage in the said annular fan; Comprise the first fluid passage and second fluid passage, the first fluid passage is provided with the fluid introducing port, and second fluid passage is provided with the fluid export mouth; Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the first fluid passage of ring-type fan, and the relief opening of motor communicates with second fluid passage of ring-type fan.
Wherein, said fluid introducing port and fluid export mouth are arranged on the fluid passage with certain angle.
Wherein, said annular fan is two, comprises the interior ring and the outer shroud of coaxial setting, and interior ring is connected with outer shroud through supporting post, and outer shroud forms the first fluid passage, and interior ring forms second fluid passage.
Wherein, said fan also comprises a water tank, and the water tank mountain is provided with a plurality of apertures, and said aperture communicates with second fluid passage.
In order to solve the problems of the technologies described above, the present technique scheme also provides a kind of fan, comprises annular fan and flabellum; Flabellum is arranged in the middle of the annular fan; Connect the annular fan through pillar, said annular fan is provided with the fluid introducing port, and said flabellum is provided with the fluid export mouth; Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the fluid introducing port of ring-type fan, and the fluid export mouth of the relief opening flabellum of motor communicates.
Wherein, said fluid introducing port and fluid export mouth are with certain angle setting.
The invention has the beneficial effects as follows: the present technique scheme, after the machine operation, the fluid introducing port is air-breathing; The exhaust of fluid export mouth forms negative pressuren zone at fluid introducing port place, and fluid export mouth place forms zone of positive pressure; Thereby around fan, form the pressure difference transition range, its velocity ratio fan wind speed is a lot of soon, forms very big pressure difference with the zone of positive pressure of discharging the fluid generation; This pressure difference is more much bigger than conventional fan, and zone of positive pressure must be to the moment transfer of the very fast fluid of negative pressuren zone than the slug flow body, and the fluid that also drives surrounding environment simultaneously is that the center shift pressure is poor to negative pressuren zone; High pressure is poor to the low pressure zone shift pressure, just as The natural flow of water always proceeds from a higher level to a lower one.Through the pressure difference transition range, cooperate fan to discharge soft wind again, under the interaction effect of pressure difference transition range and softer wind, form very comfortable air flow, reach good effect.
Description of drawings
Fig. 1 is an embodiment's of a technological scheme of the present invention lateral plan;
Fig. 2 is an embodiment's of a technological scheme of the present invention front view;
Fig. 3 is an embodiment's of a technological scheme of the present invention lateral plan;
Fig. 4 is an embodiment's of a technological scheme of the present invention front view;
Fig. 5 is an embodiment's of a technological scheme of the present invention lateral plan;
Fig. 6 is an embodiment's of a technological scheme of the present invention front view;
Fig. 7 is an embodiment's of a technological scheme of the present invention front view;
Fig. 8 is an embodiment's of a technological scheme of the present invention front view;
Fig. 9 is an embodiment's of a technological scheme of the present invention lateral plan.
Label declaration:
Embodiment
By specifying technology contents of the present invention, structure characteristics, realized purpose and effect, give explanation below in conjunction with mode of execution and conjunction with figs. are detailed.
See also Fig. 1 and Fig. 2; A kind of fan provided by the invention; This fan 1 is provided with base 104 and is connected fixed cover 102 with supporting post 103 on it, in fixed cover 102, is provided with power plant 6, and power plant 6 connect the cover body 4 of hollows through hollow axle 601; Cover body connects the flabellum 2 of fan again, around flabellum 2, is provided with guard 101 and covers on flabellum 2 wherein.In fixed cover 102, be provided with motor 5; What said motor 5 was concrete can be air-breathing motor, and said motor 5 comprises intakeport and relief opening, and the hollow axle 601 that passes power plant 6 through conduit 501 is connected with the cover body 4 of sealing; Cover body 4 is interior sky; The flabellum that connects a plurality of hollows all around, flabellum 2 inside of this fan 1 are provided with fluid passage 3, and the front of flabellum is provided with the fluid introducing port 203 of a plurality of fluid passages; The intakeport of said motor 5 communicates with the fluid passage 3 of flabellum through conduit 501, and the relief opening of motor is the fluid export mouth, communicates with the external world.
In a kind of improved technological scheme, in fluid passage 3, be provided with concavo-convex fairshaped waveform flow-disturbing face 306, make fluid increase more than at least 1/3 through the path; Streamline surface makes fluid through out-of-date resistance force diminishes simultaneously; Speed up, make the bigger pressure difference of generation between the fan inside and outside shell 201, to reach the cool effect of better relieving summer heat; Also can in fluid passage 3, establish the flow-disturbing face that a plurality of arc repeated arrangement form, like a plurality of convexs.In fluid passage 3, be provided with the breathing pipe 304 that approximately is equal to its length; On shell 201, be provided with a plurality of fluid export mouths 204 that balance is uniformly distributed with; Communicate with the intakeport of motor 5 with ventilating hole 303 with the breathing pipe 304 in the fluid passage, the relief opening 504 of motor 5 is equidirectional with fan directional discharge fluid.
In the improved technological scheme of another kind; With above different be; Inner-use clapboard 305 forms two-layer passage in the fluid passage; Upper strata passage 301 communicates with each fluid introducing port 203, and lower floor's passage 302 communicates with motor 5 through ventilating hole 303, and the upper strata passage can be left and right sides passage or diagonal is provided with passage.
When power plant 6 work; Flabellum 2 rotates, and this moment, motor 5 work produced very strong suction; Near the fluid high-speeds that a plurality of balances on the shell 201 of flabellum 2 are uniformly distributed with the fluid introducing port 203 suck in the fluid passage 3; Make to form two layers of quick flowing fluid layer in the fluid passage 3 of shell 201 and Qi Nei, it is a lot of soon that its movement velocity relies on flabellum 2 to rotate the liquid speed that produces than tradition, and the back side that makes flabellum 2 produces liquid speed and forms a circular fluid layer being equal to flabellum; A circular rapid fluid layer that under strong suction effect very, produces with shell 201 forms very big pressure difference; While produces very big pressure difference with surrounding fluid again, so the low flow velocity highpressure that high flow rate lowpressure that shell 201 produces and surrounding fluid produce is inevitable completely all to the high flow rate depression transfer of shell 201, forms fluid and flows; So the fluid around the fan all forms a circle lowpressure high speed transfer to shell 201, this is the natural law.It is the same just to locate stream from high to low as water, so around flabellum, form very big air flow, makes fan reach the good air ventilation and the cool effect of relieving summer heat.
People's skin is responsive to pressure change, and the variation of air pressure and the fan of fan have direct relation usually, but the wind speed that fan produces is all not too big; Even if the wind speed of fan is too high, very high wind speed also produces not too big pressure difference, moreover high wind speed makes the people feel very uncomfortable again; So the present invention only need accelerate the flow velocity on several fan 1 front face surface, positive and negative forms very big fluid pressure differential when fan rotates, and just produces very big fluid pressure differential transition range; Just form very big pressure change around; Form air flow, the not high wind speed that cooperates fan to discharge is again felt well the people, not the bad sensation that causes of high wind speed too.
In order to increase the gap of inside and outside fluid path, form bigger pressure difference, in the present technique scheme, said fluid passage comprises top fluid passage and lower floor fluid passage, the top fluid passage communicates with the lower floor fluid passage; The flabellum front is provided with the fluid introducing port 203 of a plurality of fluid passages, communicates with the top fluid passage; The lower floor fluid passage communicates with the intakeport of motor.Through top fluid passage and lower floor fluid passage are set; Thereby make the path lengthening of the inner fluid of electric fan; The gap of the fluid path that the walking path of the fluid on flabellum surface and flabellum are inner more strengthens; Thereby front and fluid export mouth place at flabellum form the pressure difference transition range, thereby have guaranteed flowing of surrounding fluid.The different length ratio in flabellum internal fluid pathway and flabellum external fluid path can form different pressure difference transition range, thereby form different wind-force around.
See also Fig. 8, in an improved technological scheme, the power plant 6 of said fan are through central rotating shaft and the coaxial setting of flabellum, and central rotating shaft is provided with cover body in an end of flabellum, and motor 5 is located in the cover body, and the relief opening of motor 5 is located on the cover body.
See also Fig. 3, said motor 5 is arranged on outside the fan.Motor 5 is arranged on outside the fan, through conduit 501 with the sealing cover body 4 between be connected for bearing 401, when fan steering nozzle 501 unaffected; Fluid passage and fluid introducing port 203 in cover body 4 and each flabellum communicate; Because motor 5 is not located in the cover body 4, need not consider that flabellum rotates the generation equilibrium problem, so the power of motor 5 can improve; Make the flabellum positive and negative produce bigger pressure difference; Not only be used for fan, turbine, also can be used for various civilianly and industrial, produce the power plant of pressure and Driving force with impeller or turbine, to reach better energy-saving effect and promotion effect.
Consult Fig. 9, in an improved technological scheme, the end face of the rotating shaft 601 of power plant 6 is provided with gear 602, after driving speed changer 603 that a plurality of gears form and quickening, drives the rotating shaft of motor 5 again, drives motor 5 thus and rotates.This embodiment can be used for than big fan or ceiling fan; Because power plant 6 rotating shafts and gear diameter are bigger than motor 5 diameters, after the drive speed changer is accelerated, drive motor 5 little rotating shafts again and rotate; It is rotated than the fast a lot of speed of fan produce suction, make between the fan drum 201 and form pressure difference.This speed changer is common common speed changer.
The fluid introducing port 203 of the fan of present technique scheme is arranged on the flabellum at a certain angle.Concrete can be the arbitrary value between the 45-60 degree, thereby guarantees around flabellum, to form the pressure difference transition range of a circle, just forms very big pressure change around, forms air flow.
See also Fig. 4 and Fig. 5, another fan that the present technique scheme provides, this ring-type fan has base 104; Supporting post 103 connects ring-type fan 1, between the shell 201 of said annular fan and the inner casing 202 annulate lamella is arranged, and is provided with the fluid passage; Comprise first fluid passage 502, this fluid passage is a negative pressure chamber, and second fluid passage; First fluid passage 502 is provided with fluid introducing port 203, the second fluid passages and is provided with fluid export mouth 204; Said fan also comprises a motor 5, and the intakeport of said motor 5 communicates with the first fluid passage of ring-type fan, and the relief opening of motor 5 communicates with second fluid passage of ring-type fan.First fluid passage 502 is the fluid chamber 503 of curved edge with both sides; The intakeport of the motor 5 that first fluid passage 502 is interior with being located at supporting post communicates through conduit 501, on first fluid passage 502 shells 201, promptly on the annular side 507; Have on the inclined-plane or cambered surface 508 of several angle; Be provided with the fluid introducing port 203 that is uniformly distributed with pass and communicate with the external world, the fluid chamber 503 of the interior sky in the relief opening 504 of motor 5 and the annulate lamella communicates, and fluid chamber's 503 internal layers also are provided with air guide chamber 505; Communicate with each other through top ventilating hole 506; Air guide chamber 505 left and right sides arcs be convenient to fluid from the fluid export mouth 204 that is uniformly distributed with less than 90 degree, from the inboard shape that several angle is arranged of annular fan, or radian is derived rapid fluid.
When motor 5 work; The fluid introducing port 203 of a plurality of circle hole shapes that very big suction is established fluid from the inclined-plane or the cambered surface 508 that are distributed on the annular side 507; Near the powerful first fluid passage 502 that sucks of fluid, through conduit 501, the fluid that sucks brute force at a certain angle from the relief opening 504 of motor 5 is spraying in the fluid chamber 503 at a high speed again; Because fluid chamber is not very big; Relief opening sprays high-velocity fluid at a certain angle and is convenient to along the annular inner wall quick rotation, and circulation can reach 360 degrees centigrade, makes flow velocity accelerate to send into rapid fluid again in the internal layer air guide chamber 505 from the interior fluid chamber 503 of annular fan at top ventilating hole 506 again; Again along the annular inner wall quick rotation; Because the left and right sides, air guide chamber arc handing-over shape is convenient to fluid from being uniformly distributed with annular inner wall fluid export mouth 204 all around to get rid of fast less than the angle of 90 degree, blows out fluid along annular inboard face several angle or arc to the external world, with the fluid export mouth 204 on circular sloped surface or the cambered surface 508; The annular negative pressuren zone intermediate flow mistake that forms, and can directly do not sucked by fluid introducing port 203.Be uniformly distributed with circular sloped surface or cambered surface 508 a plurality of fluid introducing ports 203 and near fluid indoor by powerful negative suction; Because suction is bigger, makes whole circular sloped surface or cambered surface form a circle negative pressuren zone, and the fluid of certain pressure is arranged through several angle from fluid export mouth 204 strong ejection one circles with ring-type fan 1 inboard; In the middle of the negative pressuren zone of annular side 507 formation, pass through; Because annular side is negative pressuren zone, negative pressuren zone than the rate of flow of fluid the strong suction effect under than blowing out fast many of forward fluid, so the bigger pressure difference of the fluid of forward fluid and negative pressuren zone formation; The forward fluid must shift to negative pressuren zone; The slower fluid of fan surrounding environment flow velocity also must so formation is the fluid pressure differential transition range at center with the negative pressuren zone around fan, just form air flow to negative pressuren zone transfering fluid pressure around fan simultaneously; Because the bore of each long strip fluid export mouth 204 is all not too big;, obviously slow down behind certain distance from more small-bore ejecting fluid with certain pressure, simultaneously because under the interaction effect that the fluid that the pressure difference transition range that positive negative pressuren zone forms produces flows; Make fan people all around feel cool and comfortable; And this comfort is to produce in the hydrodynamic pressure transfer process to obtain under air movement and the export mouth ejecting fluid interaction effect, and be different from the pressure that the conventional fan high wind speed forms the people is felt sick.
Concrete, the said fluid introducing port 203 and the fluid export mouth of technological scheme of the present invention are arranged on the fluid passage with certain angle.
See also Fig. 6, said annular fan is two, comprises the interior ring 108 and the outer shroud of coaxial setting, and interior ring 108 is connected with outer shroud through supporting post 103, and outer shroud forms the first fluid passage, and interior ring forms second fluid passage.Motor 5 communicates with fluid chamber and air pipes in the interior ring 108 through conduit 501, is uniformly distributed with fluid export mouth 204 from interior ring side and discharges fluid.The internal diameter side or the external diameter side of ring in this technological scheme also can be arranged on export mouth with the same mode.
Consult Fig. 4, said fan also comprises a water tank 7, and a plurality of apertures 702 are set on the water tank 7, and said aperture communicates with second fluid passage.Water filling hole 701 communicates with water tank.Because water tank 7 top dividing plates 703 are uniformly distributed with aperture 702 and communicate with the air guide chamber and second fluid passage; And communicate with fluid export mouth 204; When fluid through air guide chamber 505 during from 204 ejections of fluid export mouth, produce the water that suction drives in the water tank 7 and discharge from export mouth, produce more moistening air.
Consult Fig. 7, a kind of fan that the present technique scheme provides comprises annular fan and flabellum; Flabellum is arranged in the middle of the ring-type fan 1; Flabellum connects ring-type fan 1 through pillar, and said annular fan is provided with fluid introducing port 203, and said flabellum is provided with the fluid export mouth; Said fan also comprises a motor, and the intakeport of said motor communicates with the fluid introducing port 203 of ring-type fan, and the fluid export mouth of the relief opening flabellum of motor communicates.Blowing out fluid to the fluid of 203 suctions of the fluid introducing port on circular ring surface or annular side 507 from the fluid export mouths 204 in the middle of the cover body 4 with fan discharges.Formed the pressure difference transition range equally, realized same technique effect with technique scheme.Just repeat no more at this.
Concrete, said fluid introducing port and fluid export mouth be with certain angle setting, thereby can guarantee to form large-scale pressure difference transition range on every side at this fan.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a fan comprises power plant, flabellum, it is characterized in that: said flabellum inside is provided with the fluid passage, and the front of flabellum is provided with the fluid introducing port of a plurality of fluid passages;
Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the fluid passage of flabellum through conduit, and the relief opening of motor is the fluid export mouth, communicates with the external world.
2. fan according to claim 1 is characterized in that: said fluid passage comprises top fluid passage and lower floor fluid passage, and the top fluid passage communicates with the lower floor fluid passage;
The flabellum front is provided with the fluid introducing port of a plurality of fluid passages, communicates with the top fluid passage;
The lower floor fluid passage communicates with the intakeport of motor.
3. fan according to claim 1 is characterized in that: the power plant of said fan are through central rotating shaft and the coaxial setting of flabellum, and central rotating shaft is provided with cover body in an end of flabellum, and motor is located in the cover body, and the relief opening of motor is located on the cover body.
4. fan according to claim 1 is characterized in that: said motor is arranged on outside the fan.
5. fan is characterized in that: comprise the annular fan, be provided with the fluid passage in the said annular fan, comprise the first fluid passage and second fluid passage, the first fluid passage is provided with the fluid introducing port, and second fluid passage is provided with the fluid export mouth;
Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the first fluid passage of ring-type fan, and the relief opening of motor communicates with second fluid passage of ring-type fan.
6. fan according to claim 5 is characterized in that: said fluid introducing port and fluid export mouth are arranged on the fluid passage with certain angle.
7. fan according to claim 5 is characterized in that: said annular fan is two, comprises the interior ring and the outer shroud of coaxial setting, and interior ring is connected with outer shroud through supporting post, and outer shroud forms the first fluid passage, and interior ring forms second fluid passage.
8. fan according to claim 5 is characterized in that: said fan also comprises a water tank, and the water tank mountain is provided with a plurality of apertures, and said aperture communicates with second fluid passage.
9. fan is characterized in that: comprise annular fan and flabellum, flabellum is arranged in the middle of the annular fan, connects the annular fan through pillar, and said annular fan is provided with the fluid introducing port, and said flabellum is provided with the fluid export mouth;
Said fan also comprises a motor, and said motor comprises intakeport and relief opening, and the intakeport of said motor communicates with the fluid introducing port of ring-type fan, and the fluid export mouth of the relief opening flabellum of motor communicates.
10. fan according to claim 9 is characterized in that: said fluid introducing port and fluid export mouth are with certain angle setting.
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| CN201210044426.8A CN102588255B (en) | 2012-02-24 | 2012-02-24 | Fan |
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| CN201210044426.8A CN102588255B (en) | 2012-02-24 | 2012-02-24 | Fan |
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| CN102588255B CN102588255B (en) | 2015-03-25 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102619572A (en) * | 2012-03-21 | 2012-08-01 | 朱晓义 | Impeller and power device comprising same |
| CN104154014A (en) * | 2014-07-14 | 2014-11-19 | 无锡市崇安区科技创业服务中心 | Electric fan |
| WO2015024306A1 (en) * | 2013-08-21 | 2015-02-26 | Xie Kun | Compressed air collecting device |
| CN104747241A (en) * | 2015-01-23 | 2015-07-01 | 朱晓义 | Pressure device and turbine engine |
| CN104747473A (en) * | 2015-01-23 | 2015-07-01 | 朱晓义 | Fan |
| CN107676301A (en) * | 2017-10-18 | 2018-02-09 | 朱晓义 | A kind of bladeless fan |
| US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| CN111734989A (en) * | 2020-06-24 | 2020-10-02 | 江苏恒百利照明科技有限公司 | Ultra-thin down lamp of LED that possesses heat dissipation automatic control function |
| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| CN114308887A (en) * | 2021-12-31 | 2022-04-12 | 上海坤廷智能科技有限公司 | Mobile detection equipment based on four-eye structured light |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11654275B2 (en) | 2019-07-22 | 2023-05-23 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
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| CN102619572B (en) * | 2012-03-21 | 2016-06-01 | 朱晓义 | Impeller and adopt the power set of this impeller |
| CN102619572A (en) * | 2012-03-21 | 2012-08-01 | 朱晓义 | Impeller and power device comprising same |
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| CN104154014A (en) * | 2014-07-14 | 2014-11-19 | 无锡市崇安区科技创业服务中心 | Electric fan |
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| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
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| US20190113051A1 (en) * | 2017-10-18 | 2019-04-18 | Xiaoyi Zhu | Bladeless fan |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
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