CN107651198B - Spherical parachute - Google Patents
Spherical parachute Download PDFInfo
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- CN107651198B CN107651198B CN201710806948.XA CN201710806948A CN107651198B CN 107651198 B CN107651198 B CN 107651198B CN 201710806948 A CN201710806948 A CN 201710806948A CN 107651198 B CN107651198 B CN 107651198B
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- parachute
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- ram air
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- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 239000004744 fabric Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035565 breathing frequency Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/02—Canopy arrangement or construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/22—Load suspension
- B64D17/30—Harnesses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/62—Deployment
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a spherical parachute, which belongs to the technical field of parachutes and comprises a parachute body with a sealed top, wherein the parachute body is formed by splicing a parachute body and a parachute top, and a parachute front body which is connected below the parachute body and is used for connecting objects to be carried, the parachute front body is formed by splicing a gore, a top and a bottom, an air inlet for ram air to enter is formed in the gore, and a turbulence ring is arranged at the top of the parachute body. The spherical parachute provided by the invention has the advantages that the surface of the inverted conical parachute gore is used as an aerodynamic drag surface, and differential pressure drag and frictional drag are generated to effectively realize the application of the parachute in a supersonic or hypersonic environment, so that the problem of breathing in the traditional parachute is avoided, the spherical parachute can be effectively applied to the application in the supersonic or hypersonic environment, and the spherical parachute has a simple structure and high stability.
Description
Technical Field
The invention belongs to the technical field of parachutes, and particularly relates to a spherical parachute.
Background
The parachute is an expandable aerodynamic speed reducer which is inflated and unfolded by means of air resistance principle relative to air movement. With the continuous development of the parachute technology, the application field of the parachute is wider and wider, the parachute is widely applied to the fields of air drop, air stagnation and deceleration, emergency rescue, aircraft recovery and the like, and with the continuous development of the parachute technology, the application requirements of the parachute in the supersonic and/or hypersonic aviation or military fields are also larger and wider.
The supersonic environment means that the object carried by the parachute moves at a speed exceeding the sound speed, and the hypersonic environment means that the object carried by the parachute moves at a speed exceeding 5 times the sound speed, and the above two application environments are commonly found in the field of aircraft recovery, military application and aviation. Under the application environment, the application of the traditional fabric parachute is greatly limited, and the traditional fabric parachute has more structural defects and cannot be effectively applied, for example, under the conditions of high altitude and/or high Mach, the traditional fabric parachute can not be fully filled due to too low dynamic pressure, and further the parachute ropes are wound, so that the parachute can not be fully filled under the condition of increased dynamic pressure at the later stage of parachute opening, and the normal use of the parachute is affected; meanwhile, when the traditional fabric parachute is applied in a supersonic and/or hypersonic environment, the problem of breathing of the parachute canopy exists, namely, the parachute canopy can be inflated excessively, and can collapse completely or in an abnormal state between the two limit states, and the breathing frequency of the traditional fabric parachute is high, so that the problem of breathing is more serious; furthermore, in low altitude, high mach situations, the parachute must be able to withstand large structural loads, which makes the design conditions of the parachute more demanding.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a spherical parachute, wherein a parachute body with a sealed top is spliced by adopting structures such as a gore, a top and a bottom, a rotary inverted cone structure is formed, the gore surface of the parachute body is used as an aerodynamic drag surface to generate differential pressure drag and friction drag, so that the application of the parachute in a supersonic or hypersonic environment is effectively realized, the 'breathing' problem of the traditional parachute is avoided, the spherical parachute can be effectively applied to the application in the supersonic or hypersonic environment, and the spherical parachute has the advantages of simple structure and strong stability.
In order to achieve the above object, the present invention provides a spherical parachute, characterized in that,
the parachute comprises a top-sealed parachute body formed by splicing a parachute body and a parachute top, and a parachute front body connected below the parachute body and used for connecting an object to be carried; wherein,
the parachute body is formed by splicing gores, a parachute air chamber capable of containing air is formed in the parachute body, when the air chamber is full of air, the parachute body can be expanded into a rotary inverted cone shape to form a pneumatic resistance surface and generate pressure difference resistance and friction resistance to realize the deceleration of the carried object of the parachute, and a ram air inlet is formed in the peripheral surface of the parachute body, which is close to the top end surface, along the circumferential direction, and is used for enabling air fluid to enter the parachute air chamber quickly through the ram air inlet after being accelerated by the pneumatic resistance surface so that the parachute body can expand quickly;
the parachute roof is formed by splicing top webs, and the edges of the parachute roof and the top edges of the parachute body are mutually spliced to realize the sealing of the top of the parachute body, so that a parachute body with a closed top is formed;
the front parachute body is formed by splicing bottom webs, one side end part of the front parachute body is coaxially connected to the lower part of the front parachute body, and the other side end part of the front parachute body is provided with a connecting belt for connecting objects to be carried.
As a further improvement of the invention, the connecting belt for mutually splicing the parachute body and the parachute top is provided with an annular turbulence ring which is used for guiding air fluid to be uniformly separated at the top of the parachute body so as to increase the air resistance of the parachute.
As a further improvement of the invention, after the turbulence ring is fixedly connected to the parachute body, a turbulence ring reinforcing belt is arranged between the two sides of the turbulence ring and the parachute body, so that the turbulence ring is not separated when the parachute works at a high speed.
As a further improvement of the invention, reinforcing belts are respectively arranged on the splicing belts of mutually spliced gores, on the splicing belts of mutually spliced top webs and on the splicing belts of mutually spliced bottom webs.
As a further improvement of the invention, a middle reinforcing belt is arranged at the joint of the parachute body and the parachute front body along the joint line.
As a further improvement of the invention, a top reinforcing band which is annular and connects all the top webs thereto is arranged on the top end face of the parachute.
As a further improvement of the invention, the end part of the parachute front body for arranging the connecting belt is provided with a bottom reinforcing belt along the circumferential direction.
As a further improvement of the present invention, the gores spliced to form the parachute body may be the same or different in size, and the top-width spliced to form the parachute top may be the same or different in size.
As a further development of the invention, the gores constituting the parachute body are of the same size, the number of gores is 8, and each of the gores is provided with one ram air inlet, i.e. the number of ram air inlets is 8.
As a further development of the invention, the gores constituting the parachute body are of the same size, the number of gores is 4, and each of the gores is provided with one ram air inlet, i.e. the number of ram air inlets is 4.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
(1) According to the spherical parachute, the parachute body which is in a rotary inverted cone shape or a hemispherical shape after being inflated is formed by splicing the gores and the top gores, the outer surface of the gores is used as a pneumatic resistance surface which is in contact with air, and differential pressure resistance and friction resistance are generated to realize the deceleration of the parachute to carried articles in a supersonic speed or hypersonic speed environment, so that the application of the parachute in the supersonic speed or hypersonic speed environment is greatly satisfied, and the problem that the traditional fabric parachute cannot be effectively applied is solved;
(2) According to the spherical parachute, a certain number of ram air inlets are formed in the parachute body and are arranged on the periphery of the parachute body close to the top, so that air fluid on the windward side of the spherical parachute enters the parachute air chamber through the ram air inlets at a certain speed after being accelerated through the pneumatic resistance surface, the parachute body is enabled to expand rapidly, the problem of breathing generated by the traditional fabric parachute in a supersonic speed or hypersonic speed environment is effectively avoided, and normal operation of the parachute is guaranteed;
(3) According to the spherical parachute, the annular turbulence ring is arranged at the top of the parachute body, so that air fluid can be effectively guided to be uniformly separated at the top of the parachute body, the air resistance of the parachute is increased, and the deceleration effect and the working stability of the spherical parachute are greatly improved;
(4) According to the spherical parachute, the reinforcing belts are arranged at the joints of all the parts, so that the stability of the parachute is effectively improved, the risk of partial opening or sublevel segregation of the parachute is reduced, and the safety and stability of the parachute in a supersonic or hypersonic environment are greatly improved;
(5) According to the spherical parachute, the parachute front body is arranged at the bottom of the parachute body, so that the parachute front body replaces a parachute rope structure of a traditional fabric parachute, the problem that parachute ropes are wound in the using process of the traditional parachute is effectively avoided, and the running stability of the spherical parachute is further guaranteed.
Drawings
Fig. 1 is a schematic view showing the overall structure of a spherical parachute according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the entire structure A-A of the spherical parachute according to the first embodiment of the present invention;
FIG. 3 is a top view showing the overall structure of a spherical parachute according to the first embodiment of the present invention;
FIG. 4 is a schematic view showing the overall structure of a spherical parachute according to a second embodiment of the present invention;
FIG. 5 is a top view showing the overall structure of a spherical parachute according to a second embodiment of the present invention;
like reference numerals denote like technical features throughout the drawings, in particular: 1. gores, 2, reinforcement strips, 3, spoiler rings, 4, spoiler ring reinforcement strips, 5, top, 6, middle reinforcement strips, 7, bottom reinforcement strips, 8, top reinforcement strips, 9, ram air inlet, 10, bottom.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The spherical parachute in the preferred embodiment of the present invention is shown in fig. 1 to 5, wherein fig. 1 is a schematic view of the overall structure of the spherical parachute in the first embodiment of the present invention; FIG. 2 is a cross-sectional view of the entire structure A-A of the spherical parachute according to the first embodiment of the present invention; FIG. 3 is a top view showing the overall structure of a spherical parachute according to the first embodiment of the present invention; FIG. 4 is a schematic view showing the overall structure of a spherical parachute according to a second embodiment of the present invention; fig. 5 is a top view showing the overall structure of a spherical parachute according to a second embodiment of the present invention.
Further, the spherical parachute in a preferred embodiment as shown in fig. 1 comprises a parachute body, a parachute roof and a parachute front body, the parachute body and the parachute roof forming a top-sealed parachute body; further, the spherical parachute body in the preferred embodiment is formed by splicing 8 pieces of gores 1, the 8 pieces of gores 1 are preferably uniform in size and identical in thickness, each piece of gore 1 is in a generally quadrangular structure after being unfolded, two opposite sides are arc-shaped sides, the lengths of the arc-shaped sides are identical, and the other two opposite sides are straight sides with different lengths; further, when the gores 1 are spliced with each other, arc edges are respectively spliced with each other, and the straight edges with larger length are positioned above the parachute body, 8 gores 1 are spliced with each other in the longitudinal direction of the side edges in sequence, so that a rotary inverted cone structure or a rotary hemispherical structure is formed, namely, the diameter of the upper end face of the rotary structure formed by splicing the gores 1 is larger than that of the lower end face; further preferably, the longitudinal splicing tapes formed by splicing the two adjacent gores 1 are provided with the reinforcing tapes 2 along the splicing lines, so that the two adjacent gores 1 can be tightly connected, and the situation that the gores 1 are separated and isolated in the use process of the parachute is avoided.
Further, a certain number of ram air inlets 9 are further formed in the gores 1 of the parachute body and are used for enabling ram air to enter an air chamber in the parachute body in the working process of the spherical parachute, after the spherical parachute begins to work, the ram air rapidly enters the parachute body from the air inlets 9 to enable the parachute to expand rapidly, the opening position of the ram air inlets 9 has great influence on the inflation condition of the air chamber in the working process of the parachute, if the air chamber is not fully inflated or is low in inflation rate due to unreasonable opening of the positions, the pneumatic performance of the parachute is influenced, the problems of collapse, sagging and the like even can not be maintained, normal working of the parachute is influenced, and according to the working state of the spherical parachute, the optimal position set by the ram air inlets 9 is the place with the largest flow rate of air fluid on the windward side of the parachute, so that the air mass flow rate entering the air inlets 9 is the largest, and dynamic pressure held after the air entering the air chamber is high due to the fact that the air flow rate of the air entering the air chamber is high, and the air chamber is inflated more easily; the ram air inlet 9 in a preferred embodiment is arranged on the side of the gore 1 near the long straight edge, corresponding to the side with larger inner diameter of the parachute body, because the air sweeps the hemispherical or inverted cone-shaped parachute body of the parachute from bottom to top during the rapid descending process of the spherical parachute, the air fluid gradually accelerates from the lower surface of the parachute body to the upper surface of the parachute body when moving from the lower surface of the parachute body, namely, the speed of the air fluid reaches the maximum when flowing to the outer peripheral surface of the upper part of the air chamber, and the air chamber can be rapidly expanded when the air fluid enters the air chamber, so that the spherical parachute rapidly enters the working state; it is further preferred that one ram air inlet 9 is provided above each gore 1 in a preferred embodiment and that the vertical height of the inlet 9 provided on each gore 1 is the same, i.e. the number of inlet 9 in this preferred embodiment is 8 and that each inlet 9 is at the same level when the parachute is placed vertically.
Further, the parachute top is arranged on the top end face of the parachute body, and the parachute top are spliced and combined to form a parachute body structure with a closed top. Specifically, the parachute roof in a preferred embodiment is composed of a roof frame 5, wherein the roof frame 5 is 1 piece and is round in shape as a whole, and the roof frame and the edges of a parachute body are mutually spliced to form a parachute body structure with a closed top; further preferably, the parachute roof is formed by splicing a certain number of roof panels 5, the roof panels 5 in a preferred embodiment are all fan-shaped, the size and the thickness of each fan-shaped roof panel 5 are consistent, two corner edges of each fan-shaped roof panel 5 are straight edges, and the included angle corresponds to an arc edge with a certain length; further preferably, the number of top webs 5 in the preferred embodiment is 8, which are respectively spliced into a circular top surface structure by included angle edges, that is, the circular arc edges of each top web 5 are mutually connected to form a complete circle, as shown in fig. 3, the circumference of the circular umbrella top is further preferably equal to the circumference of the top edge of the parachute body formed by splicing the gores 1, that is, the length of the long straight line edge of the gores 1 in the preferred embodiment is equal to the length of the circular arc edge of the top web 5; further, in the parachute roof formed by splicing the plurality of top webs 5, the reinforcing belts 2 are arranged on the splicing belts formed by splicing the two adjacent top webs 5 along the splicing line, so that the two adjacent top webs 5 can be tightly connected, and the situation that the structure of the top web 5 is not subjected to sublevel segregation in the using process of the parachute is ensured; it is further preferable that after a certain number of top webs 5 are spliced to form a circular parachute roof, an annular top reinforcing belt 8 is preferably arranged by taking a top point on one side of each top web 5 as a circle center, as shown in fig. 3, the annular top reinforcing belt 8 is used for further stabilizing one end of the top web 5, and the top reinforcing belt 8 and the reinforcing belt 2 jointly act to ensure that the parachute roof can work normally.
Further preferably, the air chamber of the parachute can be formed by splicing a certain number of top spokes 5 and a certain number of gores 1, or the gores 1 and the top spokes 5 can be formed at one time, namely, one end of the gores 1 is triangular, the other end is in a trapezoid-like shape with two side edges being arc lines, the gores 1 are spliced into an air chamber structure with a closed top in sequence, wherein the triangular end of one end of the gores 1 is spliced into the top of the parachute, the trapezoid-like end of the other end of the gores 1 is spliced into the air chamber of the parachute, and then the upper-closed spherical parachute body structure is formed.
Further, the top of the parachute body and the parachute top are mutually spliced to form a closed inverted cone or a closed inverted hemisphere above the parachute, namely, the arc edge of the top width 5 of the parachute top is mutually spliced with the long straight line edge of the gore 1 at the upper part of the parachute body; further preferably, the edges of the parachute roof and the parachute body which are mutually spliced are provided with a reinforcing belt 2 along the splicing line, so that the parachute roof and the parachute body are not separated or opened in the running process; further preferably, a ring-shaped turbulence ring 3 is arranged along a splicing line at the position where the parachute roof and the parachute body are mutually spliced, the turbulence ring 3 is a circular lantern ring with a circular or semicircular radial section, the inner diameter of the circular lantern ring is preferably equal to the side length of a straight line included angle of the top width 5, and the inner circumference of the circular lantern ring is preferably equal to the outer circumference of the parachute roof, so that the circular lantern ring can be fixed on the splicing line of the parachute roof and the parachute body, the turbulence ring 3 is used for guiding the flow to be uniformly separated, so that the air flow is separated in advance, and the resistance of the spherical parachute under the subsonic condition is increased, so that the spherical parachute has better stable deceleration performance; it is further preferable that, in order to ensure that the spoiler ring 3 can be firmly connected to the parachute body, spoiler ring reinforcing bands 4 are respectively provided at both sides thereof for fastening the spoiler ring 3 to the parachute body, preventing the occurrence of the peeling phenomenon thereof during use.
Further, a cylindrical parachute front body is arranged at the bottom of the parachute body, the top of the parachute front body is connected with the lower part of the parachute body, and a connecting belt for connecting ammunition to be delivered is arranged at the bottom of the parachute front body; further, the parachute front body is formed by vertically splicing a certain number of bottom webs 10, the number of the bottom webs 10 selected in a preferred embodiment is not particularly limited, and one bottom web 10 can be spliced by side edges to form a hollow structure, or more than two bottom webs 10 can be vertically spliced to form the hollow structure, and one end of the hollow structure is connected below the parachute body after the hollow structure is spliced by the parachute front body; further preferably, a bottom reinforcing band 7 is arranged at the bottom of the front body of the parachute around the circumference of the front body and used for reinforcing the end part of the connecting band arranged at the bottom of the front body so as to prevent the connecting band from falling off in the working process of the parachute; further, the splicing line of the vertically spliced bottom webs 10 is preferably provided with a reinforcing belt 2, so that the risk of collapse of the vertically spliced bottom webs due to unstable connection of the splicing belts in the working process is prevented; further preferably, the connecting part between the parachute body and the parachute front body is provided with a middle reinforcing belt along the connecting line, so that the parachute is prevented from being separated from the front body in the rapid falling process, and the parachute can work normally.
Further preferably, the spherical parachute in the second preferred embodiment is shown in fig. 4 to 5, wherein the parachute body comprises a parachute roof and a parachute body which are respectively formed by splicing 4 pieces of roof panels 5 and 4 pieces of parachute panels 1, the parachute roof and the parachute body are spliced to form a parachute body structure with a sealed top, reinforcing belts 2 are arranged on splicing belts of the parachute body structure, and a ring-shaped top reinforcing belt 8 is also arranged on the parachute roof structure; further, ram air inlets 9 are arranged at the positions, close to the splicing positions of the gores 1 and the top webs 5 of the parachute tops, of the parachute body structure, and preferably, one ram air inlet 9 is arranged on each gore 1, namely, the number of the ram air inlets 9 is 4, and the 4 ram air inlets 9 are all positioned on the same horizontal level; further, the connection part of the parachute body and the parachute top is provided with a ring-shaped turbulence ring 3, and turbulence ring reinforcing belts 4 are arranged on two sides of the turbulence ring 3 to ensure the stability of the turbulence ring 3.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. A spherical parachute is characterized in that,
the parachute comprises a top-sealed parachute body formed by splicing a parachute body and a parachute top, and a parachute front body connected below the parachute body and used for connecting an object to be carried; wherein,
the parachute body is formed by splicing gores (1), a parachute air chamber capable of containing air is formed in the parachute body, when the air chamber is full of air, the parachute body can be expanded into a rotary inverted cone shape to form a pneumatic resistance surface and generate differential pressure resistance and friction resistance to realize the deceleration of the carried object of the parachute, a plurality of ram air inlets (9) are circumferentially arranged on the peripheral surface of the parachute body, which is close to the top end surface, and the ram air inlets (9) are used for enabling air fluid to quickly enter the parachute air chamber through the ram air inlets (9) after being accelerated through the pneumatic resistance surface so as to enable the parachute body to quickly expand; wherein,
when the parachute is placed vertically, the ram air inlets (9) are all positioned on the same horizontal height;
the parachute roof is formed by splicing top webs (5), and edges of the top of the parachute roof are spliced with the edges of the top of the parachute body to seal the top of the parachute body, so that a parachute body with a closed top is formed; the connecting belt formed by mutually splicing the parachute body and the parachute top is provided with an annular turbulence ring (3) for guiding air fluid to be uniformly separated at the top of the parachute body so as to increase the air resistance of the parachute;
the front parachute body is formed by splicing bottom webs (10), one side end part of the front parachute body is coaxially connected to the lower part of the front parachute body, and a connecting belt for connecting articles to be carried is arranged at the other side end part of the front parachute body.
2. Spherical parachute according to claim 1, wherein after the turbulence ring (3) is fixedly connected to the parachute body, a turbulence ring reinforcing belt (4) is arranged between both sides of the turbulence ring and the parachute body, so that the turbulence ring (3) is not separated when the parachute works at a high speed.
3. Spherical parachute according to any one of claims 1-2, wherein reinforcing strips (2) are provided on the mutually spliced strips of the gores (1), on the mutually spliced strips of the top webs (5) and on the mutually spliced strips of the bottom webs (10), respectively.
4. Spherical parachute according to any one of claims 1-2, wherein a splice of the parachute body and the parachute precursor body is provided with a middle reinforcing strip (6) along a splice line.
5. Spherical parachute according to any one of claims 1-2, wherein a top reinforcement strip (8) is provided on the top end face of the parachute in the shape of a ring and connects all the top webs (5) thereto.
6. Spherical parachute according to any one of claims 1-2, wherein the end of the parachute pre-body for providing the connecting strap is provided with a bottom reinforcement strap (7) in the circumferential direction.
7. Spherical parachute according to any one of claims 1-2, wherein the gores (1) spliced to form the parachute body may be the same or different in size and the top-gores (5) spliced to form the parachute roof may be the same or different in size.
8. Spherical parachute according to any one of claims 1-2, wherein the gores (1) constituting the parachute body are of the same size, the number of gores (1) is 8, and one ram air inlet (9), i.e. 8 ram air inlets (9), are provided on each of the gores (1).
9. Spherical parachute according to any one of claims 1-2, wherein the gores (1) constituting the parachute body are of the same size, the number of gores (1) is 4, and each of the gores (1) is provided with one ram air inlet (9), i.e. 4 ram air inlets (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806948.XA CN107651198B (en) | 2017-09-08 | 2017-09-08 | Spherical parachute |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710806948.XA CN107651198B (en) | 2017-09-08 | 2017-09-08 | Spherical parachute |
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| CN107651198A CN107651198A (en) | 2018-02-02 |
| CN107651198B true CN107651198B (en) | 2024-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201404664A (en) * | 2012-07-20 | 2014-02-01 | Shueh-Chih Liao | Parachute |
| US9522747B2 (en) * | 2014-06-03 | 2016-12-20 | Analytical Mechanics Associates, Inc. | Inflatable deceleration apparatus |
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| GB703026A (en) * | 1950-11-07 | 1954-01-27 | Helmut Gustav Heinrich | Improvements in or relating to parachutes |
| GB767631A (en) * | 1953-12-30 | 1957-02-06 | Pioneer Parachute Co | High speed low opening shock stabilized parachutes |
| US4253627A (en) * | 1979-08-27 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Multi-layer ram air parachute canopy |
| US5149019A (en) * | 1991-09-30 | 1992-09-22 | University Corporation For Atmospheric Research | Balloon parachute |
| JPH0599599A (en) * | 1991-10-09 | 1993-04-20 | Mitsubishi Heavy Ind Ltd | Flying riser |
| JP3063977B1 (en) * | 1999-04-01 | 2000-07-12 | 防衛庁技術研究本部長 | Rotating parachute |
| CN202987511U (en) * | 2012-12-03 | 2013-06-12 | 航宇救生装备有限公司 | Ram-type balloon parachute |
| CN207173978U (en) * | 2017-09-08 | 2018-04-03 | 襄阳宏伟航空器有限责任公司 | A kind of spherical parachute |
Also Published As
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|---|---|
| CN107651198A (en) | 2018-02-02 |
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