CN115027650A - Underwater pump jet propeller with active adjusting rectification wing - Google Patents

Underwater pump jet propeller with active adjusting rectification wing Download PDF

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Publication number
CN115027650A
CN115027650A CN202210776373.2A CN202210776373A CN115027650A CN 115027650 A CN115027650 A CN 115027650A CN 202210776373 A CN202210776373 A CN 202210776373A CN 115027650 A CN115027650 A CN 115027650A
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CN
China
Prior art keywords
wing
propeller
motor
pump jet
hub
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Pending
Application number
CN202210776373.2A
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Chinese (zh)
Inventor
林兴华
张峻霞
王晓鸣
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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Publication date
Application filed by Tianjin University of Science and Technology filed Critical Tianjin University of Science and Technology
Priority to CN202210776373.2A priority Critical patent/CN115027650A/en
Publication of CN115027650A publication Critical patent/CN115027650A/en
Pending legal-status Critical Current

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    • 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
    • B63G8/08—Propulsion
    • 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
    • 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
    • B63H11/10—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof
    • B63H11/103—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof having means to increase efficiency of propulsive fluid, e.g. discharge pipe provided with means to improve the fluid flow
    • 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
    • B63H2011/084—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with two or more pump stages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

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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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides an underwater pump jet propeller with an active adjusting rectifying wing, which belongs to the technical field of underwater propellers and comprises a flow guide cover, a propeller, a power motor, a driver, a rear rectifying wing, a front rectifying wing, an adjusting motor, a main gear and a driven gear, wherein the flow guide cover, the propeller, the front rectifying wing and the rear rectifying wing form a three-stage pump jet propeller structure, the rear rectifying wing is of a three-body sectional structure, the main gear and the driven gear are connected with the adjusting motor, and the adjusting motor actively adjusts the angle of attack of the rear rectifying wing according to a rotating speed signal of the propeller. The invention has the beneficial effects that: the pump jet propeller has the advantages of a front stator type pump jet propeller and a rear stator type pump jet propeller, and can actively adjust the deflection attack angle of the rear stator according to actual working conditions and requirements, so that the rotor can be always ensured to be in higher propelling efficiency and hydrodynamic performance, and the high-efficiency interval range and the environment self-adaptive capacity of the pump jet propeller are expanded.

Description

Underwater pump jet propeller with active adjusting rectifying wings
Technical Field
The invention relates to the technical field of underwater propellers, in particular to an underwater pump jet propeller with an active adjusting rectifying wing.
Background
The pump jet propeller is a propulsion form developed in recent years, and a combined propulsion device consisting of an annular conduit, a stator and a rotor can be divided into two types according to the front and back positions of the rotor and the stator: the stator is disposed in front of the rotor and is called a "front stator type", and the stator is disposed behind the rotor and is called a "rear stator type". The stator of the 'preposed stator type' pump jet propeller can lead the water flow flowing into the rotor to generate prewhirl, play a role of uniform inflow and improve the inflow condition of the rotor, thereby reducing the noise and the rotor load of the propeller, but has slightly low contribution degree to improving the propelling efficiency of the rotor. The 'rear stator type' pump jet propeller enables the propelling efficiency of the rotor to be relatively high due to the fact that the stator can recover part of rotating energy in the wake flow of the rotor, and the contribution degree of the 'rear stator type' pump jet propeller to noise suppression is low.
In addition, the underwater vehicle has a navigation speed interval, the navigation speed is usually controlled by adjusting the rotating speed of the rotor, the rotor has different fluid disturbance structures under different rotating speed conditions, the stator structure of the existing pump jet propeller is a fixed structure, the existing pump jet propeller can only be designed according to a certain working condition, and the active adjustment can not be carried out according to different working condition conditions, so that the high-efficiency working interval of the existing pump jet propeller is limited in a small range, and the requirements of complex and variable marine environment and underwater operation tasks can not be met.
Therefore, the three-stage pump jet propeller which can automatically adjust the incident flow angle of the rectifying wing plate according to actual working conditions and requirements and has the advantages of the front stator and the rear stator is developed, and the three-stage pump jet propeller has important significance for improving the performance of a power system of a submarine and an underwater vehicle.
Disclosure of Invention
The invention provides an underwater pump-jet propeller with an active adjusting rectifying wing, which adopts a three-stage series structure of a front stator, a rotor and a rear stator to realize that the propeller improves the propelling efficiency while inhibiting hydrodynamic noise, and divides the rear stator into a three-body sectional structure, and adjusts the deflection attack angle of the rear stator by an adjusting motor according to actual working conditions and requirements, thereby always ensuring that the rotor is in higher propelling efficiency and hydrodynamic performance, and expanding the high-efficiency interval range and environment self-adaptive capacity of the pump-jet propeller.
In order to solve the technical problems, the embodiment of the application provides an underwater pump jet propeller with an active adjusting rectification wing, which comprises a flow guide cover, a propeller, a sealed cabin, a power motor, a driver and a watertight socket, and is characterized by further comprising a rear rectification wing, a front rectification wing, an adjusting motor, a band-type brake, a master gear and a slave gear, wherein the power motor is arranged in the sealed cabin; a motor shaft of the power motor is of a hollow structure, one end of the motor shaft is connected with the first bearing, and the other end of the motor shaft penetrates through a sealing ring at the head of the sealed cabin and then is connected with a propeller hub of the propeller; the adjusting motor is arranged behind the power motor, a fixed seat is arranged between the adjusting motor and the power motor, the fixed seat is fixedly connected with the shell of the sealed cabin through threads, one side of the fixed seat is provided with a first bearing, and the other side of the fixed seat is provided with a second bearing; a driving shaft is arranged in the motor shaft, the driving shaft and the motor shaft are coaxially arranged, one end of the driving shaft is connected with the band-type brake, the middle of the driving shaft penetrates through the second bearing, and the other end of the driving shaft is connected with a main gear arranged in the rear hub; one end of the air guide sleeve is fixedly connected with the conical shell at the head part of the sealed cabin through the front rectifying wing, the other end of the air guide sleeve is connected with the rear hub through the rear rectifying wing, and a rotating shaft of the rear rectifying wing is fixedly connected with the driven gear after passing through the bearing IV on the wall surface of the rear hub; the master gear is vertically meshed with the slave gear; the front end and the rear end of the propeller hub are respectively connected with the front hub and the rear hub through a bearing III, the other end of the front hub is fixedly connected with the sealed cabin, and the other end of the rear hub is provided with a hub cap through a bolt; the power motor is provided with a first encoder, the adjusting motor is provided with a second encoder, the first encoder and the second encoder are connected with the driver through signal lines, and the driver is connected with an external power supply and the controller through a watertight socket; the rear fairing is divided into a fixed section, a flexible section and a rotating section, wherein the rotating section and the fixed section are respectively arranged in cavities at the front end and the rear end of the rear fairing, the rotating section is connected with the driven gear through a rotating shaft, and the fixed section is fixedly connected with the air guide sleeve through a fixed shaft.
As a preferred embodiment of the scheme, the driver comprises a motor driving system and a signal control system, wherein the motor driving system is respectively connected with the power motor and the adjusting motor, the input end of the signal control system is connected with the first encoder, and the output end of the signal control system is connected with the second encoder.
As a preferred embodiment of the present scheme, the rear fairing is in an NACA airfoil shape, and is integrally vulcanized and made of a flexible material, and the front and rear fixing sections and the rotating section are made of a rigid material, and are inserted into a cavity of the rear fairing and then vulcanized, encapsulated and fixed.
As a preferred embodiment of the scheme, the front fairing is an asymmetric NACA airfoil, a tangent line L1 at the incident flow end is consistent with the flow direction, and a direction tangent line L2 at the flow-outgoing end is parallel to a section tangent line L3 of the propeller.
In a preferred embodiment of the present invention, the fixed section of the rear fairing is a symmetrical structure, and a direction tangent L4 of the flow-removing end is consistent with the flow direction.
As a preferred embodiment of the present scheme, at least one layer of elastic metal wire is laid in the vulcanized layer on the surface of the rear fairing.
As a preferred embodiment of the scheme, a Glan sealing ring is arranged between the motor shaft and the driving shaft at the position of the front hub.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the front stator-rotor-rear stator three-stage series structure is adopted, the propulsion efficiency of the propeller is improved while hydrodynamic noise is suppressed, the rear stator is divided into a three-body sectional structure, and the deflection attack angle of the rear stator is adjusted through the adjusting motor according to actual working conditions and requirements, so that the rotor is always ensured to be in high propulsion efficiency and hydrodynamic performance, and the high-efficiency interval range and the environment self-adaptive capacity of the pump jet propeller are expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a fluid machine portion according to an embodiment of the present application;
FIG. 3 is a schematic view of an adjusting gear engagement structure according to an embodiment of the present application;
FIG. 4 is a schematic view of an aft fairing according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a regulation control system according to an embodiment of the present application;
FIG. 6 is a schematic view of a mounting structure of a rotor and a fairing according to an embodiment of the present application.
In fig. 1-6: 1. the wind deflector comprises a wind deflector, 2, a rear fairing, 2-1, a fixed section, 2-2, a flexible section, 2-3, a rotating section, 3, a propeller, 4, a front fairing, 5, a sealed cabin, 6, a power motor, 7, a motor shaft, 8, a first encoder, 9, a first bearing, 10, a fixed seat, 11, an adjusting motor, 12, a band-type brake, 13, a driver, 13-1, a motor driving system, 13-2, a signal control system, 14, a watertight socket, 15, a second encoder, 16, a second bearing, 17, a driving shaft, 18, a front hub, a 19 propeller hub, 20, a rear hub, 21, a hub cap, 22, a main gear, 23, a driven gear, 24, a third bearing, 25 and a fourth bearing.
Detailed Description
The invention provides an underwater pump-jet propeller with an active adjusting rectifying wing, which adopts a three-stage series structure of a front stator, a rotor and a rear stator to realize that the propeller improves the propelling efficiency while inhibiting hydrodynamic noise, and divides the rear stator into a three-body sectional structure, and adjusts the deflection attack angle of the rear stator by an adjusting motor according to actual working conditions and requirements, thereby always ensuring that the rotor is in higher propelling efficiency and hydrodynamic performance, and expanding the high-efficiency interval range and environment self-adaptive capacity of the pump-jet propeller.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1-6, an underwater pump-jet propeller with active adjusting rectifying wings comprises a flow guiding cover 1, a propeller 3, a sealed cabin 5, a power motor 6, a driver 13 and a watertight socket 14, and is characterized by further comprising a rear rectifying wing 2, a front rectifying wing 4, an adjusting motor 11, a band-type brake 12, a master gear 22 and a slave gear 23, wherein the power motor 6 is arranged in the sealed cabin 5; a motor shaft 7 of the power motor 6 is of a hollow structure, one end of the motor shaft is connected with the first bearing 9, and the other end of the motor shaft penetrates through a sealing ring at the head of the sealed cabin 5 and then is connected with a propeller hub 19 of the propeller 3; the adjusting motor 11 is arranged behind the power motor 6, a fixed seat 10 is arranged between the adjusting motor and the power motor, the fixed seat 10 is fixedly connected with the shell of the sealed cabin 5 through threads, one side of the fixed seat 10 is provided with a first bearing 9, and the other side of the fixed seat is provided with a second bearing 16; a driving shaft 17 is arranged in the motor shaft 7, the driving shaft 17 and the motor shaft 7 are coaxially arranged, one end of the driving shaft 17 is connected with the band-type brake 12, the middle of the driving shaft passes through a second bearing 16, and the other end of the driving shaft is connected with a main gear 23 arranged in the rear hub 20; one end of the air guide sleeve 1 is fixedly connected with a conical shell at the head part of the sealed cabin 5 through a front fairing wing 4, the other end of the air guide sleeve is connected with a rear hub 20 through a rear fairing wing 2, and a rotating shaft of the rear fairing wing 2 is fixedly connected with a driven gear 23 after penetrating through a bearing IV 25 at the wall surface of the rear hub 20; the main gear 22 is vertically meshed with the auxiliary gear 23; the front end and the rear end of the propeller hub 19 are respectively connected with the front hub 18 and the rear hub 20 through a third bearing 24, the other end of the front hub 18 is fixedly connected with the sealed cabin 5, and the other end of the rear hub 20 is provided with a hub cap 21 through a bolt; the power motor 6 is provided with a first encoder 8, the adjusting motor 11 is provided with a second encoder 15, the first encoder 8 and the second encoder 15 are connected with a driver 13 through signal lines, and the driver 13 is connected with an external power supply and a controller through a watertight socket 14; the rear fairing 2 is divided into a fixed section 2-1, a flexible section 2-2 and a rotating section 2-3, wherein the rotating section 2-3 and the fixed section 2-1 are respectively arranged in cavities at the front end and the rear end of the rear fairing 2, the rotating section 2-3 is connected with a driven gear 23 through a rotating shaft, and the fixed section 2-1 is fixedly connected with the air guide sleeve 1 through a fixed shaft.
In practical application, the driver 13 includes a motor driving system 13-1 and a signal control system 13-2, wherein the motor driving system 13-1 is connected to the power motor 6 and the adjustment motor 11, the input end of the signal control system 13-2 is a first encoder 8, and the output end is a second encoder 15.
In practical application, the rear fairing 2 is in an NACA airfoil shape in an integral structure, is integrally made of flexible materials through vulcanization, and is made of rigid materials in a front-end fixing section 2-1 and a rear-end rotating section 2-3 which are inserted into a cavity of the rear fairing 2 and then are vulcanized, encapsulated and fixed, so that the flow-removing end of the rear fairing 2 is always the same as the flow direction, the angle of attack of the flow-facing end can be conveniently adjusted, the smooth transition of the integral shape is ensured, and the flow line is prevented from being changed into crime due to the protruding position.
In practical application, the front fairing 4 is an asymmetric NACA airfoil, a tangent line L1 at an incident flow end is consistent with a flow direction, a direction tangent line L2 at a flow removal end is parallel to a section tangent line L3 of the propeller 3, the NACA airfoil structure can reduce pressure difference resistance generated by the front fairing 4, and meanwhile, the flow rectified by the NACA airfoil structure is consistent with a stirring direction generated by the propeller 3, so that an optimal preselection effect is generated, lift force generated by the asymmetric NACA airfoil structure can offset roll torque generated by the propeller 3, hydrodynamic load of the propeller 3 can be reduced, and efficiency of the propeller 3 is improved.
In practical application, the fixed section 2-1 of the rear rectifying wing 2 is of a symmetrical structure, and a direction tangent line L4 of the flow-removing end is consistent with the flow direction, so that the water flow direction passing through the rear rectifying wing 2 is consistent with the axial direction, the energy loss caused by circumferential flow is reduced as much as possible, and the effective propulsion efficiency is improved.
In practical application, at least one layer of elastic metal wire is laid in the vulcanized layer on the surface of the rear rectifying wing 2, so that the overall structural strength of the rear rectifying wing 2 can be improved, and meanwhile, the smooth motion deformation of the overall structure is ensured when the rotating section 2-3 moves, the water flow is prevented from being separated in advance, and the rectifying effect is reduced.
In practical application, a Glan sealing ring is arranged between the motor shaft 7 and the driving shaft 17 at the position of the front hub 18, so that the dynamic sealing performance is improved, and the phenomenon that external water enters the motor cabin between two shafts to cause short circuit is prevented.
The working principle is as follows: the first encoder 8 transmits a rotating speed signal of the power motor 6 to a signal control system, the current optimal attack angle of the rear rectifier wing 2 is judged according to a built-in preset rotor hydrodynamic performance database, an angle command signal is transmitted to the second encoder 15, and the motor driving system 13-1 controls the adjusting motor 11 to rotate to a set angle position.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. An underwater pump jet propeller with an active adjusting rectification wing comprises a flow guide cover (1), a propeller (3), a sealed cabin (5), a power motor (6), a driver (13) and a watertight socket (14), and is characterized by further comprising a rear rectification wing (2), a front rectification wing (4), an adjusting motor (11), a band-type brake (12), a main gear (22) and a driven gear (23), wherein the power motor (6) is arranged in the sealed cabin (5), a motor shaft (7) of the power motor (6) is of a hollow structure, one end of the motor shaft (7) is connected with a bearing I (9), and the other end of the motor shaft passes through a sealing ring at the head of the sealed cabin (5) and then is connected with a propeller hub (19) of the propeller (3); the adjusting motor (11) is arranged behind the power motor (6), a fixed seat (10) is arranged between the adjusting motor and the power motor, the fixed seat (10) is fixedly connected with a shell of the sealed cabin (5) through threads, one side of the fixed seat (10) is provided with a first bearing (9), and the other side of the fixed seat is provided with a second bearing (16); a driving shaft (17) is arranged in the motor shaft (7), the driving shaft (17) and the motor shaft (7) are coaxially arranged, one end of the driving shaft (17) is connected with the band-type brake (12), the middle of the driving shaft passes through a second bearing (16), and the other end of the driving shaft is connected with a main gear (23) arranged in the rear hub (20); one end of the air guide sleeve (1) is fixedly connected with a conical shell at the head part of the sealed cabin (5) through a front fairing wing (4), the other end of the air guide sleeve is connected with a rear hub (20) through a rear fairing wing (2), and a rotating shaft of the rear fairing wing (2) is fixedly connected with a driven gear (23) after penetrating through a bearing four (25) at the wall surface of the rear hub (20); the main gear (22) is vertically meshed with the auxiliary gear (23); the front end and the rear end of the propeller hub (19) are respectively connected with the front hub (18) and the rear hub (20), a third bearing (24) is arranged at the joint, the other end of the front hub (18) is fixedly connected with the sealed cabin (5), and the other end of the rear hub (20) is provided with a hub cap (21) through a bolt; the power motor (6) is provided with a first encoder (8), the adjusting motor (11) is provided with a second encoder (15), the first encoder (8) and the second encoder (15) are connected with the driver (13) through signal lines, and the driver (13) is connected with an external power supply and a controller through a watertight socket (14); the rear fairing wing (2) is divided into a fixed section (2-1), a flexible section (2-2) and a rotating section (2-3), wherein the rotating section (2-3) and the fixed section (2-1) are respectively arranged in cavities at the front end and the rear end of the rear fairing wing (2), the rotating section (2-3) is connected with a driven gear (23) through a rotating shaft, and the fixed section (2-1) is fixedly connected with the air guide sleeve (1) through a fixed shaft.
2. The underwater pump jet propeller with the active adjusting rectifying wing is characterized in that the driver (13) comprises a motor driving system (13-1) and a signal control system (13-2), wherein the motor driving system (13-1) is respectively connected with the power motor (6) and the adjusting motor (11), the input end of the signal control system (13-2) is connected with the first encoder (8), and the output end of the signal control system is connected with the second encoder (15).
3. The underwater pump jet propeller with the active adjusting rectifying wing as claimed in claim 1, wherein the rear rectifying wing (2) is in an NACA airfoil shape in the whole structure, the whole structure is made of a flexible material through vulcanization, the fixed section (2-1) and the rotating section (2-3) which are respectively connected with the front end and the rear end are made of a rigid material, and the rigid block is inserted into a cavity of the rear rectifying wing (2) and then is vulcanized, encapsulated and fixed.
4. The underwater pump jet propeller with the active adjusting fairing as recited in claim 1, characterized in that the front fairing (4) is an asymmetric NACA airfoil, and the tangential line L1 at the incident end is in line with the flow direction, and the tangential line L2 at the outgoing end is parallel to the tangential line L3 of the section of the propeller (3).
5. The underwater pump jet propeller with the active adjusting rectifying wing is characterized in that the fixed section (2-1) of the rear rectifying wing (2) is of a symmetrical structure, and a direction tangent line L4 of a flow-removing end is consistent with the flow direction.
6. The underwater pump jet propeller with the active adjusting fairing wing as recited in claim 1, wherein at least one layer of elastic metal wire is laid in the vulcanized layer on the surface of the rear fairing wing (2).
7. The underwater pump jet propeller with the actively regulated fairing according to claim 1, characterized in that a glan ring is provided between the motor shaft (7) and the drive shaft (17) at the location of the front hub (18).
CN202210776373.2A 2022-07-04 2022-07-04 Underwater pump jet propeller with active adjusting rectification wing Pending CN115027650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210776373.2A CN115027650A (en) 2022-07-04 2022-07-04 Underwater pump jet propeller with active adjusting rectification wing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210776373.2A CN115027650A (en) 2022-07-04 2022-07-04 Underwater pump jet propeller with active adjusting rectification wing

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Publication Number Publication Date
CN115027650A true CN115027650A (en) 2022-09-09

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CN202210776373.2A Pending CN115027650A (en) 2022-07-04 2022-07-04 Underwater pump jet propeller with active adjusting rectification wing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116215823A (en) * 2023-03-22 2023-06-06 中国科学院宁波材料技术与工程研究所 Conduit type deep sea propeller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116215823A (en) * 2023-03-22 2023-06-06 中国科学院宁波材料技术与工程研究所 Conduit type deep sea propeller
CN116215823B (en) * 2023-03-22 2023-08-18 中国科学院宁波材料技术与工程研究所 Conduit type deep sea propeller

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