CN110901869A - Adjustable jet propulsion device capable of being mounted on surfboard - Google Patents
Adjustable jet propulsion device capable of being mounted on surfboard Download PDFInfo
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- CN110901869A CN110901869A CN201911262090.0A CN201911262090A CN110901869A CN 110901869 A CN110901869 A CN 110901869A CN 201911262090 A CN201911262090 A CN 201911262090A CN 110901869 A CN110901869 A CN 110901869A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/12—Marine propulsion by water jets the propulsive medium being steam or other gas
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses an adjustable jet propulsion device capable of being installed on a surfboard, which comprises two pressure plates and two clamping blocks which are bilaterally symmetrical, wherein a clamping mechanism capable of clamping and fixing the pressure plates and the clamping blocks on the left side and the right side of the surfboard is arranged between the pressure plates and the clamping blocks, an extending mechanism capable of freely adjusting left and right extension to adapt to the left and right width of the surfboard is arranged between the left clamping block and the right clamping block, a connecting block is fixedly arranged on the lower side of the clamping block, and a connecting body is arranged on the lower side of the connecting block in a sliding connection mode.
Description
Technical Field
The invention relates to the technical field of jet propulsion, in particular to an adjustable jet propulsion device capable of being installed on a surfboard.
Background
Surfing is considered as an extreme sport and is favored by many people, however, the common surfboard is difficult to achieve the effect of fast moving and surfing on a non-surfed water surface, and if an emergency situation occurs, peripheral surfboard fans are difficult to achieve fast approaching of victims by the surfboard, so that the rescue time is prolonged, the possibility of distress is increased, in order to increase the running speed of the surfboard on the non-surfed water surface and the effect and interest of power running, a jet propulsion device is required to be additionally arranged on the surfboard to achieve the purposes, and in addition, certain operability is required.
Disclosure of Invention
It is an object of the present invention to provide an adjustable jet propulsion unit mountable on a surfboard that overcomes the above-mentioned deficiencies of the prior art.
According to the embodiment of the invention, the adjustable jet propulsion device capable of being installed on a surfboard comprises two pressure plates and clamping blocks which are bilaterally symmetrical, a clamping mechanism capable of clamping and fixing the pressure plates and the clamping blocks on the left side and the right side of the skateboard is arranged between the pressure plates and the clamping blocks, an extension mechanism capable of freely adjusting left and right extension to adapt to the left and right width of the skateboard is arranged between the left clamping block and the right clamping block, a connecting block is fixedly arranged on the lower side of the clamping block, a connecting body is slidably connected to the lower side of the connecting block, an arc-shaped cavity with a downward opening is arranged in the connecting body, an annular ring is fixedly arranged on the inner wall of the arc-shaped cavity, an organism is slidably connected to the inner ring wall of the annular ring, a rotating cavity is arranged in the organism, a driving wheel is rotatably arranged in the rotating cavity, and a transmission mechanism capable of controlling, the front side in rotatory chamber is opened and is equipped with the injection chamber, the upside intercommunication in injection chamber is equipped with can toward the gas-supply pipe that the injection intracavity let in the air, the injector head is installed to the front side intercommunication in injection chamber, the diffusion cover is installed with external intercommunication to the front side of injector head, it is equipped with the gravity piece to spray the intracavity rotation, it is equipped with the accessible to spray the intracavity the drive wheel drives and controls the gravity piece rotates, and handle gaseous letting in the gas-supply pipe lets in control mechanism in the injector head.
Further technical scheme, clamping machine constructs including the bolt, the downside of clamp plate has set firmly the sliding block, the clamp plate with open-ended perpendicular hole about the intercommunication is seted up in the sliding block, be equipped with the ascending slip chamber of opening in the clamp block, the sliding block with sliding connection about between the inner wall in slip chamber, the diapire of sliding block with fixed mounting has first spring between the diapire in slip chamber, the downside intercommunication in slip chamber is equipped with the screw thread chamber, the bolt can insert in the perpendicular hole, and can with the inner wall screw-thread fit in screw thread chamber is connected.
According to a further technical scheme, soft pads are fixedly arranged on the bottom surface of the pressing plate and the top surface of the clamping block.
Further technical scheme is located the left side be equipped with the opening elasticity chamber to the right in the clamp splice, be located the right side the left surface of clamp splice has set firmly the dead lever, the dead lever can insert in the elasticity chamber, and with the inner wall sliding connection in elasticity chamber, the left surface of dead lever with fixed connection is equipped with the second spring between the left wall in elasticity chamber.
According to the technical scheme, an auxiliary cavity with an upward opening is formed in the connecting body, the bottom surface of the connecting block is connected with the bottom wall of the auxiliary cavity in a sliding mode, the side face of the connecting block is far away from the side face of the connecting block, and a third spring is fixedly mounted between the side walls of the auxiliary cavity.
According to the technical scheme, the transmission mechanism comprises two bilateral symmetries and transmission rods which are fixedly arranged on the inner circular wall of the annular ring, the left side and the right side of the rotating cavity are communicated with each other to form a cavity, the transmission rods are located in the cavity, the extending portions of the transmission rods extend into the rotating cavity and abut against the transmission wheels, the transmission rods are located on the upper sides of the transmission wheels, a rotating shaft is rotatably arranged on the rear wall of the rotating cavity, the transmission wheels are fixedly arranged on the periphery of the rotating shaft, and a gravity block is fixedly embedded in the inner wall of the machine body.
According to the technical scheme, a storage cavity with a backward opening is formed in the machine body, an air pump is fixedly arranged on the front wall of the storage cavity, the air delivery pipe is communicated with the air pump and installed, the rear side of the air pump is communicated with and installed with an air suction pipe, the extending part of the air suction pipe extends out of the outside, a supporting block is fixedly arranged on the rear side face of the connecting body, a clamping sleeve is fixedly arranged on the rear side face of the supporting block, the clamping sleeve can clamp the air suction pipe, and a sealing block is hermetically arranged on the rear side of the storage cavity.
According to a further technical scheme, the control mechanism comprises a supporting plate fixedly arranged on the top wall of the spraying cavity, the rotary table is rotatably arranged on the front side face of the supporting plate, a through hole with a downward opening is formed in the rotary table, the rotary table can seal the spraying cavity, the forward extending part of the rotary shaft penetrates through the machine body and the inner wall of the supporting plate and is fixedly connected with the rotary table, and the rotary shaft is rotatably connected with the supporting plate.
The invention has the beneficial effects that: the device can be used on a surfing sliding plate, not only can advance in a windless water surface in an accelerating mode by means of air jet propulsion, but also can be used for controlling and regulating to stop air jet during surfing turning, so that the speed reducing effect is achieved, the controllability is improved, the device clamping applicability is high, and the device can be installed in a matching mode with different sliding plates.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a left side view of the internal structure of the control mechanism of the present invention;
fig. 4 is an enlarged schematic view of the invention at B in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, an adjustable jet propulsion device capable of being mounted on a surfboard according to an embodiment of the present invention includes two bilaterally symmetrical pressing plates 11 and clamping blocks 46, a clamping mechanism 101 capable of clamping and fixing the pressing plates 11 and the clamping blocks 46 on the left and right sides of a skateboard 13 is disposed between the pressing plates 11 and the clamping blocks 46, an extending mechanism 102 capable of freely extending in the left and right direction to adapt to the left and right width of the skateboard 13 is disposed between the left and right clamping blocks 46, a connecting block 18 is fixedly disposed on the lower side of the clamping blocks 46, a connecting body 21 is slidably connected to the lower side of the connecting block 18, an arc-shaped cavity 22 with a downward opening is disposed in the connecting body 21, an annular ring 23 is fixedly disposed on the inner wall of the arc-shaped cavity 22, a machine body 30 is slidably connected to the inner wall of the annular ring 23, a rotating cavity 26 is disposed in the machine body 30, the rotary cavity 26 is internally provided with an accessible, the left and right shaking of the annular ring 23 controls the transmission mechanism 103 for rotating the transmission wheel 29, the front side of the rotary cavity 26 is provided with an injection cavity 35, the upper side of the injection cavity 35 is communicated with an air pipe 50 which can lead air into the injection cavity 35, the front side of the injection cavity 35 is communicated with an injection head 39, the front side of the injection head 39 is communicated with the outside to be provided with a diffusion cover 38, a gravity block 27 is rotationally arranged in the injection cavity 35, the injection cavity 35 is internally provided with an accessible, the transmission wheel 29 drives the gravity block 27 to rotate, and the air in the air pipe 50 is led into the control mechanism 104 in the injection head 39.
In addition, in an embodiment, the clamping mechanism 101 includes a bolt 41, a sliding block 40 is fixedly arranged on the lower side surface of the pressing plate 11, the pressing plate 11 and a vertical hole 42 with an upper opening and a lower opening are formed in the sliding block 40 in-connection, a sliding cavity 43 with an upward opening is formed in the clamping block 46, the sliding block 40 is connected with the inner wall of the sliding cavity 43 in a sliding manner, a first spring 44 is fixedly mounted between the bottom wall of the sliding cavity 43 and the bottom wall of the sliding cavity 40, a threaded cavity 45 is formed in the lower side of the sliding cavity 43 in a communicating manner, the bolt 41 can be inserted into the vertical hole 42 and can be connected with the inner wall of the threaded cavity 45 in a threaded fit manner, and the pressing plate 11 and the clamping block 46 can be attached to each other by manually screwing the bolt 41, so that the pressing plate 11 and the clamping block 46 can clamp the sliding plate 13.
In addition, in one embodiment, the bottom surface of the pressing plate 11 and the top surface of the clamping block 46 are both fixedly provided with soft pads 12, and the sliding plate 13 can be prevented from being damaged by the soft pads 12.
In addition, in one embodiment, an elastic cavity 14 with a rightward opening is formed in the clamping block 46 on the left side, a fixing rod 15 is fixedly arranged on the left side surface of the clamping block 46 on the right side, the fixing rod 15 can be inserted into the elastic cavity 14 and is slidably connected with the inner wall of the elastic cavity 14, a second spring 17 is fixedly connected between the left side surface of the fixing rod 15 and the left wall of the elastic cavity 14, and the clamping blocks 46 can extend towards the sides away from each other through the second spring 17 and the fixing rod 15, so that the sliding plate 13 with various sizes can be adapted.
In addition, in one embodiment, an auxiliary cavity 19 with an upward opening is formed in the connecting body 21, the bottom surface of the connecting block 18 is slidably connected with the bottom wall of the auxiliary cavity 19, a third spring 20 is fixedly installed between the side surfaces of the connecting block 18, which are far away from each other, and the side walls of the auxiliary cavity 19, which are far away from each other, and the left-right shaking amplitude of the connecting body 21 can be reduced through the auxiliary cavity 19.
In addition, in one embodiment, the transmission mechanism 103 includes two transmission rods 25 that are bilaterally symmetrical and fixedly disposed on the inner circumferential wall of the annular ring 23, the left and right sides of the rotating cavity 26 are communicated to form a cavity 24, the transmission rods 25 are disposed in the cavity 24, and the extension portion of the transmission rods 25 extends into the rotating cavity 26 and abuts against the transmission wheel 29, the transmission rods 25 are disposed on the upper side of the transmission wheel 29, the rear wall of the rotating cavity 26 is rotatably disposed with a rotating shaft 28, the transmission wheel 29 is fixedly disposed on the outer circumference of the rotating shaft 28, a gravity block 27 is fixedly disposed in the inner wall of the machine body 30, the clamping block 46 can drive the connecting body 21 to rock left and right by the left and right rocking of the sliding plate 13, the annular ring 23 can drive the transmission rods 25 to rock left and right, and the transmission wheel 29 can drive the rotating shaft 28 to rotate, the body 30 can be always in a state where the gravity block 27 is below the gravity block 27 by the gravity block 27.
In addition, in one embodiment, a storage cavity 49 with a backward opening is arranged in the machine body 30, an air pump 34 is fixedly arranged on the front wall of the storage cavity 49, the air pipe 50 is installed in communication with the air pump 34, an air suction pipe 16 is installed on the rear side of the air pump 34 in communication, an extension part of the air suction pipe 16 extends out of the outside, a support block 47 is fixedly arranged on the rear side surface of the connecting body 21, a jacket 33 is fixedly arranged on the rear side surface of the support block 47, the air suction pipe 16 can be clamped by the jacket 33, a sealing block 32 is installed on the rear side of the storage cavity 49 in a sealing manner, and air can be introduced into the injection cavity 35 through the operation of the air.
In addition, in one embodiment, the control mechanism 104 includes a supporting plate 48 fixed on the top wall of the spraying cavity 35, the rotating disc 37 is rotatably disposed on the front side surface of the supporting plate 48, a through hole 36 with a downward opening is disposed in the rotating disc 37, the rotating disc 37 can seal the spraying cavity 35, the forward extending portion of the rotating shaft 28 penetrates through the inner walls of the machine body 30 and the supporting plate 48 and is fixedly connected with the rotating disc 37, the rotating shaft 28 is rotatably connected with the supporting plate 48, the rotating disc 37 can be controlled to rotate by the rotation of the rotating shaft 28, when the sliding plate 13 needs to rotate when swinging left and right, the rotating disc 37 seals the spraying cavity 35, and further the spraying head 39 can stop propelling, so as to achieve the deceleration effect.
In the initial state, the pressure plate 11 and the clamping block 46 are not clamped, the transmission wheel 29 and the transmission rod 25 are in the horizontal state, and the air pipe 50 is communicated with the spray head 39.
When the device is used, the pressing plate 11 and the clamping blocks 46 can be mutually attached by manually screwing the bolts 41, so that the pressing plate 11 and the clamping blocks 46 can clamp the sliding plate 13, the sliding plate 13 can be prevented from being damaged by clamping through the cushion 12, the clamping blocks 46 can extend towards the sides far away from each other through the second springs 17 and the fixing rods 15, so that the device can be suitable for sliding plates 13 with various sizes, the left-right shaking amplitude of the connecting body 21 can be reduced through the auxiliary cavity 19, the clamping blocks 46 can drive the connecting body 21 to shake left and right through the left-right shaking of the sliding plate 13, the annular ring 23 can drive the transmission rod 25 to shake left and right, so that the transmission wheel 29 can drive the rotating shaft 28 to rotate, the machine body 30 can be always in a state with the gravity block 27 below through the gravity block 27, air can be introduced into the injection cavity 35 through the operation of the air pump 34, the control turntable 37 can be rotated through the rotation of the rotating, the turntable 37 closes the ejection chamber 35 and thus stops the ejection head 39 from advancing, so that a deceleration effect is achieved.
The invention has the beneficial effects that: the device can be used on a surfing sliding plate, not only can advance in a windless water surface in an accelerating mode by means of air jet propulsion, but also can be used for controlling and regulating to stop air jet during surfing turning, so that the speed reducing effect is achieved, the controllability is improved, the device clamping applicability is high, and the device can be installed in a matching mode with different sliding plates.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (8)
1. The utility model provides an adjustable jet propulsion unit of mountable on surfboard, includes two bilateral symmetry's clamp plate and clamp splice, its characterized in that: a clamping mechanism capable of clamping and fixing the pressing plate and the clamping blocks on the left side and the right side of the sliding plate is arranged between the pressing plate and the clamping blocks, an extending mechanism capable of freely adjusting left and right extension to adapt to the left and right width of the sliding plate is arranged between the left clamping block and the right clamping block, a connecting block is fixedly arranged on the lower side of the clamping blocks, a connecting body is slidably connected to the lower side of the connecting block, an arc-shaped cavity with a downward opening is arranged in the connecting body, an annular ring is fixedly arranged on the inner wall of the arc-shaped cavity, a machine body is slidably connected to the inner ring wall of the annular ring, a rotating cavity is formed in the machine body, a driving wheel is rotatably arranged in the rotating cavity, and a transmission mechanism capable of controlling the rotation;
the front side in rotatory chamber is opened and is equipped with the injection chamber, the upside intercommunication in injection chamber is equipped with can toward the gas-supply pipe that the injection intracavity let in the air, the injector head is installed to the front side intercommunication in injection chamber, the diffusion cover is installed with external intercommunication to the front side of injector head, it is equipped with the gravity piece to spray the intracavity rotation, it is equipped with the accessible to spray the intracavity the drive wheel drives and controls the gravity piece rotates, and handle gaseous letting in the gas-supply pipe lets in control mechanism in the injector head.
2. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 1, wherein: clamping machine constructs including the bolt, the downside of clamp plate has set firmly the sliding block, the clamp plate with the intercommunication sets up upper and lower open-ended perpendicular hole in the sliding block, be equipped with the ascending slip chamber of opening in the clamp block, the sliding block with sliding connection from top to bottom between the inner wall in slip chamber, the diapire of sliding block with fixed mounting has first spring between the diapire in slip chamber, the downside intercommunication in slip chamber is equipped with the screw thread chamber, the bolt can insert in the perpendicular hole, and can with the inner wall screw-thread fit in screw thread chamber is connected.
3. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 2, wherein: the bottom surface of clamp plate with the top surface of clamp splice all sets firmly the cushion.
4. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 3, wherein: be located the left side be equipped with the elasticity chamber of opening right in the clamp splice, be located the right side the left surface of clamp splice has set firmly the dead lever, the dead lever can insert in the elasticity chamber, and with the inner wall sliding connection in elasticity chamber, the left surface of dead lever with fixed connection is equipped with the second spring between the left wall in elasticity chamber.
5. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 4, wherein: be equipped with the ascending supplementary chamber of opening in the connector, the bottom surface of connecting block with the diapire sliding connection in supplementary chamber, the connecting block keep away from the side each other with fixed mounting has the third spring between the lateral wall is kept away from each other in supplementary chamber.
6. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 5, wherein: drive mechanism includes two bilateral symmetry and sets firmly the transfer line on the wall of circle in the annular ring, the left and right sides intercommunication in rotatory chamber is equipped with the cavity, the transfer line is located in the cavity, and the extension stretches into in the rotatory chamber, and with the drive wheel butt, the transfer line all is located the drive wheel upside, it is equipped with the rotation axis to rotate on the back wall in rotatory chamber, the drive wheel sets firmly on the periphery of rotation axis, the solid gravity piece that has inlayed in the inner wall of organism.
7. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 6, wherein: the air suction pipe is characterized in that a storage cavity with a backward opening is formed in the machine body, an air pump is fixedly arranged on the front wall of the storage cavity, the air delivery pipe is communicated with the air pump and is installed, an air suction pipe is communicated with the rear side of the air pump and is installed, the extending part of the air suction pipe extends out of the outside, a supporting block is fixedly arranged on the rear side face of the connecting body, a clamping sleeve is fixedly arranged on the rear side face of the supporting block, the clamping sleeve can clamp the air suction pipe, and a sealing block is hermetically arranged on.
8. An adjustable jet propulsion unit mountable on a surfboard as claimed in claim 7, wherein: the control mechanism comprises a supporting plate fixedly arranged on the top wall of the spraying cavity, the rotary table is rotatably arranged on the front side face of the supporting plate, a through hole with a downward opening is formed in the rotary table, the rotary table can seal the spraying cavity, the forward extending part of the rotary shaft penetrates through the machine body and the inner wall of the supporting plate and is fixedly connected with the rotary table, and the rotary shaft is rotatably connected with the supporting plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262090.0A CN110901869B (en) | 2019-12-10 | 2019-12-10 | Adjustable jet propulsion device capable of being mounted on surfboard |
| JP2020070089A JP2021091384A (en) | 2019-12-10 | 2020-04-08 | Adjustable jet device attached to surf board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262090.0A CN110901869B (en) | 2019-12-10 | 2019-12-10 | Adjustable jet propulsion device capable of being mounted on surfboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110901869A true CN110901869A (en) | 2020-03-24 |
| CN110901869B CN110901869B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911262090.0A Active CN110901869B (en) | 2019-12-10 | 2019-12-10 | Adjustable jet propulsion device capable of being mounted on surfboard |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021091384A (en) |
| CN (1) | CN110901869B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10940917B2 (en) | 2016-09-12 | 2021-03-09 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propeller system |
| US10946939B1 (en) | 2020-04-22 | 2021-03-16 | Kai Concepts, LLC | Watercraft having a waterproof container and a waterproof electrical connector |
| JP2021091384A (en) * | 2019-12-10 | 2021-06-17 | 方小剛 | Adjustable jet device attached to surf board |
| US11485457B1 (en) | 2021-06-14 | 2022-11-01 | Kai Concepts, LLC | Hydrojet propulsion system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11897583B2 (en) | 2020-04-22 | 2024-02-13 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propulsion system |
| US11878775B2 (en) | 2021-07-13 | 2024-01-23 | Kai Concepts, LLC | Leash system and methods of use |
| CN114754919B (en) * | 2022-05-17 | 2024-08-27 | 陕西兆铭环境科技有限公司 | Industrial shock-resistant pressure gauge |
| CN115586071B (en) * | 2022-10-14 | 2023-12-05 | 中国建筑第五工程局有限公司 | Hollow slab bearing capacity detection equipment |
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| US8070544B2 (en) * | 2009-07-01 | 2011-12-06 | Roman Kendyl A | Clean energy powered surfboards |
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| DE602007009041D1 (en) * | 2007-04-05 | 2010-10-21 | Joy Ride Technology Co Ltd | Propeller driven device for surfing |
| CN110901869B (en) * | 2019-12-10 | 2020-06-23 | 威海东诺体育用品有限公司 | Adjustable jet propulsion device capable of being mounted on surfboard |
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2019
- 2019-12-10 CN CN201911262090.0A patent/CN110901869B/en active Active
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- 2020-04-08 JP JP2020070089A patent/JP2021091384A/en active Pending
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| US8070544B2 (en) * | 2009-07-01 | 2011-12-06 | Roman Kendyl A | Clean energy powered surfboards |
| JP3192206U (en) * | 2014-05-23 | 2014-07-31 | 浩二 吉松 | Ski for jump |
| CN108974272A (en) * | 2017-05-31 | 2018-12-11 | 广东合即得能源科技有限公司 | A kind of pump jet-propulsion formula power-assisted surfboard |
| CN109649598A (en) * | 2017-10-10 | 2019-04-19 | 田瑜 | Air force surfing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10940917B2 (en) | 2016-09-12 | 2021-03-09 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propeller system |
| US11479324B2 (en) | 2016-09-12 | 2022-10-25 | Kai Concepts, LLP | Watercraft device with hydrofoil and electric propeller system |
| US11919608B2 (en) | 2016-09-12 | 2024-03-05 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propeller system |
| JP2021091384A (en) * | 2019-12-10 | 2021-06-17 | 方小剛 | Adjustable jet device attached to surf board |
| US10946939B1 (en) | 2020-04-22 | 2021-03-16 | Kai Concepts, LLC | Watercraft having a waterproof container and a waterproof electrical connector |
| US11091232B1 (en) | 2020-04-22 | 2021-08-17 | Kai Concepts, LLC | Watercraft having a waterproof container and a waterproof electrical connector |
| US11485457B1 (en) | 2021-06-14 | 2022-11-01 | Kai Concepts, LLC | Hydrojet propulsion system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021091384A (en) | 2021-06-17 |
| CN110901869B (en) | 2020-06-23 |
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Effective date of registration: 20200529 Address after: 264200 Workshop 12, South Industrial Park, zaobu village, Gushan Town, Weihai Economic and Technological Development Zone, Shandong Province Applicant after: Weihai Dongnuo sporting goods Co., Ltd Address before: 430000 No. 2 Baishazhou Avenue, Hongshan District, Wuhan City, Hubei Province, No. 16-18, 2nd floor, 9th floor, Jiangnan Building Material Logistics Market, Central China, Hubei Province Applicant before: Wuhan Hehou Feng Toys Co.,Ltd. |
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