CN110697012A - Pod type electric shaftless pump spraying propeller - Google Patents

Pod type electric shaftless pump spraying propeller Download PDF

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Publication number
CN110697012A
CN110697012A CN201910977100.2A CN201910977100A CN110697012A CN 110697012 A CN110697012 A CN 110697012A CN 201910977100 A CN201910977100 A CN 201910977100A CN 110697012 A CN110697012 A CN 110697012A
Authority
CN
China
Prior art keywords
flow guide
type electric
pod
guide pipe
shaftless pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910977100.2A
Other languages
Chinese (zh)
Inventor
张阳
姚君
孙凤山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Corona New Energy Co ltd
Original Assignee
Zhejiang Hua Boat Marine Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hua Boat Marine Technology Co Ltd filed Critical Zhejiang Hua Boat Marine Technology Co Ltd
Priority to CN201910977100.2A priority Critical patent/CN110697012A/en
Publication of CN110697012A publication Critical patent/CN110697012A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/14—Control of attitude or depth
    • B63G8/16—Control of attitude or depth by direct use of propellers or jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades
    • B63H2001/165—Hubless propellers, e.g. peripherally driven shrouds with blades projecting from the shrouds' inside surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B63H2011/087—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with radial flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention belongs to the field of underwater propellers, and particularly relates to a pod type electric shaftless pump jet propeller which comprises a flow guide pipe, a blade rotor, a stator and a flow guide static blade group, wherein the flow guide pipe is arranged on the upper surface of the blade rotor; the stator is of a circular ring structure and is fixedly arranged in the inner cavity of the flow guide pipe; the vane rotor and the flow guide static vane group are sequentially arranged in the inner cavity of the flow guide pipe along the direction from the upstream end to the downstream end of the flow guide pipe, and the vane rotor is rotationally matched in the stator; the draft tube is provided with a nacelle type installation position. The invention can avoid the complex installation and maintenance of shafting transmission, adopts electric drive, integrates the motor and the rotor blade, and has simple structure; the diversion static blade group is arranged to achieve the water spraying effect.

Description

Pod type electric shaftless pump spraying propeller
Technical Field
The invention belongs to the field of underwater propellers, and particularly relates to a pod type electric shaftless pump jet propeller.
Background
Underwater propellers, as power propulsion devices of underwater vehicles, are roughly of two types: oil-driven propellers and rim propellers, for example: an oil-driven propeller which is arranged in a quick-assembly and disassembly semi-submersible three-body unmanned ship and disclosed in patent document CN110065588A, and a rim propeller which is arranged in an integrated omnidirectional vector propulsion device and applied to an underwater robot and disclosed in patent document CN 208979087U. The transmission shaft of the existing oil-driven propeller is generally longer, a speed reducer needs to be arranged, the whole power system is large in size, a steering system or a differential system needs to be designed independently, and the installation and maintenance difficulty is high. Although the shafting is omitted, the rim propeller cannot achieve the propelling effect of pump spraying.
Disclosure of Invention
Based on the above-mentioned shortcomings in the prior art, the invention provides a pod type electric shaftless pump jet propeller.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pod type electric shaftless pump spraying propeller comprises a flow guide pipe, a blade rotor, a stator and a flow guide static blade group; the stator is of a circular ring structure and is fixedly arranged in the inner cavity of the flow guide pipe; the vane rotor and the flow guide static vane group are sequentially arranged in the inner cavity of the flow guide pipe along the direction from the upstream end to the downstream end of the flow guide pipe, and the vane rotor is rotationally matched in the stator; the draft tube is provided with a nacelle type installation position.
Preferably, the blade rotor comprises a rim and a plurality of blades extending towards the center along the inner circumferential surface of the rim, the outer circumferential surface of the rim is provided with a permanent magnet, and the rim is mounted in the inner cavity of the flow guide pipe through a combined bearing; the blades are uniformly distributed along the inner circumference of the wheel rim.
Preferably, the combined bearing comprises a first bearing and a second bearing, and two sides of the rim are respectively mounted in the inner cavity of the draft tube through the first bearing and the second bearing.
Preferably, the stator comprises an annular iron core and a stator winding arranged on the annular iron core, and the annular iron core and the permanent magnet are arranged oppositely.
Preferably, the guide static blade group comprises a plurality of guide blades which are uniformly distributed along the circumferential direction of an inner cavity of the guide pipe, and water flow guided by the guide blades is sprayed out along the direction vertical to the section of the nozzle at the downstream end of the guide pipe.
Preferably, all the guide vanes are connected to an outer circumferential surface of a hollow cylinder. Because no shafting exists, in order to reduce vibration, an inner hollow circular ring is arranged at the symmetrical axis of the guide stationary blade, and the system rigidity is increased.
Preferably, the hollow cylinder is arranged in parallel with the draft tube.
Preferably, the radial sections of the hollow cylinder and the draft tube are of a symmetrical structure or an asymmetrical structure.
Preferably, the flow guide pipe is provided with a lead passage, so that the stator winding is externally connected with a power supply through the lead passage.
Preferably, the diameter of the water inlet at the upstream end of the flow guide pipe is larger than the diameter of the nozzle at the downstream end of the flow guide pipe.
Compared with the prior art, the invention has the beneficial effects that:
the invention can avoid the complex installation and maintenance of shafting transmission, adopts electric drive, integrates the motor and the rotor blade, and has simple structure; the diversion static blade group is arranged to achieve the water spraying effect.
Drawings
Fig. 1 is a schematic cross-sectional view of a pod-type electric shaftless pump jet propeller according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pod-type electric shaftless pump jet propeller according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of the pod-type electric shaftless pump jet propeller according to the first embodiment of the present invention from another view angle;
fig. 4 is a partially cut-away schematic view of a pod-type electric shaftless pump jet according to a first embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort. In addition, directional terms referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
The first embodiment is as follows:
as shown in fig. 1 to 4, the pod type electric shaftless pump jet propeller of the present embodiment includes a flow guide pipe 1, a stator 2, a vane rotor 3, a flow guide static vane group 4, a first bearing 5, and a second bearing 6.
The honeycomb duct 1 is of a horn structure with openings at two ends, the diameter of a water inlet 1a at the upstream end of the honeycomb duct is larger than that of a nozzle 1b at the downstream end of the honeycomb duct, and power output of the propeller is improved. The guide pipe 1 is of an assembled structure and comprises a left pipe body 1-1 and a right pipe body 1-2, a nozzle 1b is positioned at the left end of the left pipe body 1-1, a water inlet 1a is positioned at the right end of the right pipe body 1-2, the inner side of a right port of the left pipe body 1-1 is provided with a bearing groove for mounting a first bearing 5 and an annular groove for mounting a stator 2, and the first bearing groove is positioned at the inner side of the annular groove; the inner side of the left port of the right tube body 1-2 is provided with a bearing groove for mounting the second bearing 6. In addition, the guide static blade group 4 comprises a plurality of guide blades 40 which are uniformly distributed along the circumferential direction of the inner cavity of the left tube body of the guide tube, and the guide blades 40 are used for guiding water flow to be sprayed out along the section direction of a nozzle which is vertical to the downstream end of the guide tube; wherein, all the guide vanes are connected to the peripheral surface of the hollow cylinder 7, the hollow cylinder 7 is arranged in parallel with the left tube body of the guide tube, the radial sections of the hollow cylinder 7 and the left tube body of the guide tube are of symmetrical structures, namely the hollow cylinder 7 and the left tube body of the guide tube are coaxially arranged; due to the design of the hollow cylinder, no shafting exists, the vibration of the structure is reduced, and the structural rigidity is increased.
The left pipe body 1-1, the flow guide static blade group 4 and the hollow cylinder 7 of the embodiment are of an integral structure.
The stator 2 of this embodiment is a circular ring structure, and includes annular iron core and the stator winding installed on annular iron core, and the embedded fixed mounting of annular iron core is in the ring channel of left body 1-1, has the wire passageway on the left body 1-1 to the stator winding passes through the wire passageway and is connected with external power supply electricity, realizes the electric drive.
The vane rotor 3 of the present embodiment includes a rim 3a and a plurality of vanes 3b extending toward the center thereof along the inner peripheral surface of the rim, the outer peripheral surface of the rim 3a has an annular groove, a permanent magnet 3c is fitted in the annular groove, and the outer diameter of the permanent magnet 3c is smaller than the inner diameter of the annular core.
The assembly process of the pod-type electric shaftless pump jet propeller of the embodiment is as follows:
installing a first bearing in a bearing groove of the left pipe body, and then installing a stator in an annular groove of the left pipe body;
the blade rotor is installed in a matched mode with the first bearing, is located inside the stator and is in clearance fit, and the annular iron core is opposite to the permanent magnet;
and the second bearing is arranged in a bearing groove of the right pipe body, the left pipe body and the right pipe body are in butt joint installation, the second bearing is installed in a matching way with the blade rotor, and the left pipe body and the right pipe body are fixed through screws or bolts to complete installation.
After the installation is finished, the blade rotor and the flow guide static blade group are sequentially distributed along the direction from the upstream end to the downstream end of the flow guide pipe;
in addition, the outer surface of the left tube body of the draft tube is provided with a pod type mounting position 10 for mounting on an underwater vehicle.
When the nacelle type electric shaftless pump jet propeller of the embodiment normally works, the stator winding is electrified to drive the blade rotor to rotate, water flow is sucked from the water inlet and is sprayed out from the nozzle through the diversion of the diversion blades to generate thrust, and power output is realized.
The pod type electric shaftless pump spraying propeller adopts shaftless propulsion, and the superposed guide vanes generate a water spraying effect.
Example two:
the nacelle type electric shaftless pump jet propeller of the present embodiment is different from the first embodiment in that:
the radial sections of the hollow cylinder and the flow guide pipe are in asymmetric structures, so that the structural rigidity can be increased, and the structural diversification of the pod type electric shaftless pump jet propeller is realized.
Other structures can refer to the first embodiment.
Example three:
the nacelle type electric shaftless pump jet propeller of the present embodiment is different from the first embodiment in that:
the design of a hollow cylinder can be omitted in the embodiment, and the structural diversification of the pod type electric shaftless pump jet propeller is realized.
Other structures can refer to the first embodiment.
The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.

Claims (10)

1. A pod type electric shaftless pump spraying propeller is characterized by comprising a flow guide pipe, a blade rotor, a stator and a flow guide static blade group; the stator is of a circular ring structure and is fixedly arranged in the inner cavity of the flow guide pipe; the vane rotor and the flow guide static vane group are sequentially arranged in the inner cavity of the flow guide pipe along the direction from the upstream end to the downstream end of the flow guide pipe, and the vane rotor is rotationally matched in the stator; the draft tube is provided with a nacelle type installation position.
2. The pod type electric shaftless pump-jet propeller of claim 1, wherein the blade rotor comprises a rim and a plurality of blades extending toward the center along the inner circumferential surface of the rim, the outer circumferential surface of the rim is provided with a permanent magnet, and the rim is mounted in the inner cavity of the flow guide pipe through a combined bearing; the blades are uniformly distributed along the inner circumference of the wheel rim.
3. The pod-type electric shaftless pump jet propeller of claim 2, wherein the combination bearing comprises a first bearing and a second bearing, and two sides of the rim are respectively mounted on the inner cavity of the draft tube through the first bearing and the second bearing.
4. The pod-type electric shaftless pump jet propeller of claim 2, wherein the stator comprises an annular iron core and a stator winding arranged on the annular iron core, and the annular iron core is arranged opposite to the permanent magnet.
5. The pod-type electric shaftless pump-jet propeller of claim 1, wherein the guide vane set comprises a plurality of guide vanes uniformly distributed along the circumferential direction of the inner cavity of the guide pipe, and the guide vanes guide water flow to be jetted along the cross section direction of the nozzle perpendicular to the downstream end of the guide pipe.
6. The pod-type electric shaftless pump jet propeller of claim 5, wherein all the guide vanes are attached to an outer peripheral surface of a hollow cylinder.
7. The pod-type electric shaftless pump jet propeller of claim 6, wherein the hollow cylinder is disposed in parallel with the draft tube.
8. The pod-type electric shaftless pump jet propeller of claim 7, wherein the radial cross-section of the hollow cylinder and the flow guide pipe is a symmetrical structure or an asymmetrical structure.
9. The pod-type electric shaftless pump jet propeller of claim 1, wherein the flow guide tube has a wire passage so that the stator winding is externally connected to a power source through the wire passage.
10. The pod-type electric shaftless pump jet propeller of claim 1, wherein the water inlet diameter at the upstream end of the flow conduit is larger than the jet diameter at the downstream end of the flow conduit.
CN201910977100.2A 2019-10-15 2019-10-15 Pod type electric shaftless pump spraying propeller Pending CN110697012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910977100.2A CN110697012A (en) 2019-10-15 2019-10-15 Pod type electric shaftless pump spraying propeller

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Application Number Priority Date Filing Date Title
CN201910977100.2A CN110697012A (en) 2019-10-15 2019-10-15 Pod type electric shaftless pump spraying propeller

Publications (1)

Publication Number Publication Date
CN110697012A true CN110697012A (en) 2020-01-17

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145868A (en) * 2020-09-10 2020-12-29 深圳市博铭维智能科技有限公司 Vector propulsion pipeline robot
CN112678138A (en) * 2020-09-17 2021-04-20 浙江华船海工科技有限公司 Tandem motor pump jet propeller
CN112758292A (en) * 2021-02-02 2021-05-07 武汉波依迈科技有限公司 Sealed rim propeller
CN112758291A (en) * 2021-01-27 2021-05-07 武汉波依迈科技有限公司 High-power sealed rim propeller
CN112758294A (en) * 2021-02-07 2021-05-07 武汉波依迈科技有限公司 Electric jet pump propeller
CN112829913A (en) * 2021-01-27 2021-05-25 武汉波依迈科技有限公司 High-thrust rim propeller and advancing tool adopting same
CN112829911A (en) * 2021-01-27 2021-05-25 武汉波依迈科技有限公司 Counter-rotating rim propeller and underwater traveling tool adopting same
CN112849383A (en) * 2021-02-04 2021-05-28 武汉波依迈科技有限公司 Sealed rim propeller or generator
CN112874743A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rim propeller and advancing tool adopting same
CN112874747A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rim pump spraying propeller and travelling tool adopting same
CN112874744A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rotating shaft structure and wheel rim propeller adopting same
CN112874746A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Birotor pump spouts propeller and adopts instrument of marcing of this propeller
CN112896477A (en) * 2021-01-27 2021-06-04 武汉波依迈科技有限公司 Rim propeller of jet pump
CN113353226A (en) * 2021-06-16 2021-09-07 合肥恒大江海泵业股份有限公司 Blade installation method of shaftless propeller
CN113734403A (en) * 2021-09-06 2021-12-03 合肥恒大江海泵业股份有限公司 Rim pump spraying driving device
CN113844633A (en) * 2021-09-23 2021-12-28 合肥恒大江海泵业股份有限公司 Water platform based on rim pump spraying driving device
CN114013617A (en) * 2021-11-22 2022-02-08 江苏科技大学 Shaftless rim propeller
CN116477039A (en) * 2023-06-25 2023-07-25 武汉理工大学三亚科教创新园 Hub-free water jet propulsion structure and aircraft
WO2024016674A1 (en) * 2022-07-21 2024-01-25 江苏科技大学 Non-slip-ring electric pod propulsion device and assembly method therefor

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Publication number Priority date Publication date Assignee Title
GB1439806A (en) * 1973-06-07 1976-06-16 Mitsui Shipbuilding Eng Electrically driven propeller
US20100279559A1 (en) * 2007-12-28 2010-11-04 Kawasaki Jukogyo Kabushiki Kaisha Thrust generating apparatus
CN104333172A (en) * 2014-10-18 2015-02-04 无锡德林船舶设备有限公司 Ship-used permanent magnet motor propeller
CN206456535U (en) * 2016-11-11 2017-09-01 武汉理工大学 Shaftless propeller based on submersible motor
CN109018285A (en) * 2018-09-25 2018-12-18 天津昊野科技有限公司 A kind of nobody shaftless hydraulic propeller peculiar to vessel of high speed
CN109472091A (en) * 2018-11-13 2019-03-15 四川华芯项目管理有限公司 A kind of assembled architecture construction and stage monitoring system and method for being on active service
CN109887092A (en) * 2019-02-27 2019-06-14 中国能源建设集团甘肃省电力设计院有限公司 The design platform of photovoltaic plant under the complicated landform built using virtual reality technology
CN209396017U (en) * 2019-01-09 2019-09-17 兰州理工大学 A kind of submarine hydraulic jet propulsion system
CN211076298U (en) * 2019-10-15 2020-07-24 浙江华船海工科技有限公司 Pod type electric shaftless pump spraying propeller

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439806A (en) * 1973-06-07 1976-06-16 Mitsui Shipbuilding Eng Electrically driven propeller
US20100279559A1 (en) * 2007-12-28 2010-11-04 Kawasaki Jukogyo Kabushiki Kaisha Thrust generating apparatus
CN104333172A (en) * 2014-10-18 2015-02-04 无锡德林船舶设备有限公司 Ship-used permanent magnet motor propeller
CN206456535U (en) * 2016-11-11 2017-09-01 武汉理工大学 Shaftless propeller based on submersible motor
CN109018285A (en) * 2018-09-25 2018-12-18 天津昊野科技有限公司 A kind of nobody shaftless hydraulic propeller peculiar to vessel of high speed
CN109472091A (en) * 2018-11-13 2019-03-15 四川华芯项目管理有限公司 A kind of assembled architecture construction and stage monitoring system and method for being on active service
CN209396017U (en) * 2019-01-09 2019-09-17 兰州理工大学 A kind of submarine hydraulic jet propulsion system
CN109887092A (en) * 2019-02-27 2019-06-14 中国能源建设集团甘肃省电力设计院有限公司 The design platform of photovoltaic plant under the complicated landform built using virtual reality technology
CN211076298U (en) * 2019-10-15 2020-07-24 浙江华船海工科技有限公司 Pod type electric shaftless pump spraying propeller

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145868A (en) * 2020-09-10 2020-12-29 深圳市博铭维智能科技有限公司 Vector propulsion pipeline robot
CN112678138A (en) * 2020-09-17 2021-04-20 浙江华船海工科技有限公司 Tandem motor pump jet propeller
CN112874743A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rim propeller and advancing tool adopting same
CN112874746A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Birotor pump spouts propeller and adopts instrument of marcing of this propeller
CN112874744A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rotating shaft structure and wheel rim propeller adopting same
CN112874747A (en) * 2021-01-19 2021-06-01 武汉波依迈科技有限公司 Rim pump spraying propeller and travelling tool adopting same
CN112829913A (en) * 2021-01-27 2021-05-25 武汉波依迈科技有限公司 High-thrust rim propeller and advancing tool adopting same
CN112829911A (en) * 2021-01-27 2021-05-25 武汉波依迈科技有限公司 Counter-rotating rim propeller and underwater traveling tool adopting same
CN112758291A (en) * 2021-01-27 2021-05-07 武汉波依迈科技有限公司 High-power sealed rim propeller
CN112896477A (en) * 2021-01-27 2021-06-04 武汉波依迈科技有限公司 Rim propeller of jet pump
CN112758292A (en) * 2021-02-02 2021-05-07 武汉波依迈科技有限公司 Sealed rim propeller
CN112849383A (en) * 2021-02-04 2021-05-28 武汉波依迈科技有限公司 Sealed rim propeller or generator
CN112758294A (en) * 2021-02-07 2021-05-07 武汉波依迈科技有限公司 Electric jet pump propeller
CN113353226A (en) * 2021-06-16 2021-09-07 合肥恒大江海泵业股份有限公司 Blade installation method of shaftless propeller
CN113734403A (en) * 2021-09-06 2021-12-03 合肥恒大江海泵业股份有限公司 Rim pump spraying driving device
CN113844633A (en) * 2021-09-23 2021-12-28 合肥恒大江海泵业股份有限公司 Water platform based on rim pump spraying driving device
CN114013617A (en) * 2021-11-22 2022-02-08 江苏科技大学 Shaftless rim propeller
WO2024016674A1 (en) * 2022-07-21 2024-01-25 江苏科技大学 Non-slip-ring electric pod propulsion device and assembly method therefor
CN116477039A (en) * 2023-06-25 2023-07-25 武汉理工大学三亚科教创新园 Hub-free water jet propulsion structure and aircraft
CN116477039B (en) * 2023-06-25 2023-09-15 武汉理工大学三亚科教创新园 Hub-free water jet propulsion structure and aircraft

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