WO2019229484A1 - A device for changing the driving behavior and / or mode of operation of water jet vehicles - Google Patents

A device for changing the driving behavior and / or mode of operation of water jet vehicles Download PDF

Info

Publication number
WO2019229484A1
WO2019229484A1 PCT/HU2019/000015 HU2019000015W WO2019229484A1 WO 2019229484 A1 WO2019229484 A1 WO 2019229484A1 HU 2019000015 W HU2019000015 W HU 2019000015W WO 2019229484 A1 WO2019229484 A1 WO 2019229484A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection
venturi
nozzle pump
insert
segment
Prior art date
Application number
PCT/HU2019/000015
Other languages
French (fr)
Inventor
Ádám TITRIK
Original Assignee
Titrik Adam
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 Titrik Adam filed Critical Titrik Adam
Publication of WO2019229484A1 publication Critical patent/WO2019229484A1/en

Links

Classifications

    • 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
    • B63H11/10—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof
    • B63H11/107—Direction control of propulsive fluid
    • B63H11/11—Direction control of propulsive fluid with bucket or clamshell-type reversing means
    • 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
    • B63H11/107—Direction control of propulsive fluid
    • B63H11/113—Pivoted outlet

Definitions

  • the present invention relates to a device for changing the driving behavior and / or mode of operation of water jet vehicles.
  • the invention relates to a system that operates with a jet drive and provides cross-sectional adjustment and mode change in the system, regardless of whether the vehicle has a TRIM or TRIM-free system, a brake -IBR® or RiDE®, reverse or auxiliary system.
  • the tool allows easy and quick cross-sectional adjustment in the vehicle's drive system which ensure the possibility to be able to change the acceleration, maximal velocity, control, deceleration, reverse or other parameters of the vehicle.
  • the device also provides a solution for changing modes when different connecting units are connected, such as Flyboard® and Hoverboard® devices, ensuring the need for simple cross-sectional change, i.e., proper flow, during connection of the connecting units.
  • the adjustment option is solved by individual manufacturers only by replacing the complete system with the individual elements having different parameters, i.e. no cross section adjustment is possible within a single unit. When replacing elements, some parts of the vehicle need to be removed, that is time-consuming and difficult to install underwater.
  • the above inventions do not provide a solution for simple cross-sectional change and / or mode change without replacement of parts.
  • My aim is also to be able to supply the original intended use of the water jet driven vehicle in one case with the connector; in other case, the devices connected to it without replacing the connector.
  • the present invention provides a device for changing the driving behavior and / or mode of operation of water jet vehicles. It is an object of the present invention that the jet drive system of the water jet is supplied with a connector unit, to which additional different units, such as Flyboard® and Hoverboard® devices, can be connected.
  • additional different units such as Flyboard® and Hoverboard® devices
  • the use of a plug-in unit can ensure the original use of the vehicle and the cross-section adjustment can be solved by usage of inserts.
  • the cross-sectional setting affects the motion parameters of the vehicle.
  • additional devices to the unit with a connector, such as Flyboard® and Hoverboard®, etc. - and their connection can be achieved with or without tools. Connecting the units is possible after removing the required insert from the reducer provided with the connector.
  • the present invention provides a device for changing the driving behavior and / or mode of operation of water jet vehicles, the device is also described in detail in the attached drawing, where
  • Figure 1 shows a water jet driven vehicle system comprising an impeller housing, a reducer with connector, a nozzle pump with connector, as well as a connecting unit,
  • Figure 2 shows the part of the system - shown in Figure 1 - a reducer with a connector, the connector part of the reducer with connector, a nozzle pump with connector, the connector part of the nozzle pump with connector,
  • Figure 3 shows the part of the system - shown in Figure I - a reducer with a connector, a nozzle pump with a connector and connecting inserts,
  • Figure 4 illustrates the connection of the components illustrated in Figure 3 in an isometric view by removing the visibility of some component for better understanding
  • Figure 5 illustrates the further arrangement of the components demonstrated in Figure 3 in an isometric view by removing the visibility of some component for better understanding
  • Figure 6 shows a unit with a connector forming part of the system of Figure 1.
  • Figure 1 shows the components of the 1 water jet vehicle.
  • the components are the followings: 30 venturi with connection, 40 nozzle pump with connection and 70 connecting unit connected for mode changes.
  • the 2 impeller house is connecting to the 30 venturi with connector, which is connecting to the 40 nozzle pump with connection.
  • the system is characterized by the fact that these parts have the same connection like the factory components, but only contain the additional components necessary for the system to function.
  • the 70 connecting unit can be attached to the 30 venturi with connector the way that its passes through the 40 nozzle pump with connection, thereby there is no need to remove the 40 nozzle pump with connection.
  • the method of connection is shape-locking bond or force-locking bond.
  • the system is characterized by the ability to use the vehicle as intended when 30 venturi with connection and 40 nozzle pump with connection are connected, while the 70 connecting unit can be connected to perform mode change.
  • Figure 2 shows the system introduced in Figure 1 : 2 impeller house, 30 venture with connection, 40 nozzle pump with connection in top view, in section and featured in detail.
  • the cross-sectional diameter of 30 venturi with connection and the 40 nozzle pump with connection are larger order than the factory transverse cross-sections.
  • the 2 impeller house is connected to the 30 venturi with connection by a conventional method, i.e. the connection mode corresponds to the factory connection.
  • the 40 nozzle pump with connection is connected in a conventional manner to the 30 venturi with connection, i.e. the connection mode corresponds to the factory connection. Due to the increased flow cross- sections, the motion parameters of the vehicle are changing.
  • the inner diameter of the 31 venturi connection segment is smaller than the inner diameter of 41 nozzle pump connection segment and is smaller than the inner diameter of 40 nozzle pump with connection for receiving additional units, during this process there is no need to remove the 40 nozzle pump with connection.
  • the 3 1 venturi connection segment is located on the exit side of the water on 30 venturi with connection.
  • the 4 1 nozzle pump connection segment is located on the exit side of the water on 40 nozzle pump with connection.
  • Figure 3 shows a schematic sectional view of the 30 venturi with connection - shown in Figure 1 - and the 40 nozzle pump with connection with further connected components, in top view, in section and featured in detail.
  • 50 venturi insert with connection was inserted through the 40 nozzle pump with connection and the detachable connection was made to the 31 venturi connection segment of the 30 venturi with connection.
  • the connection method in this case was shape-locking bond, i.e. in bayonet design.
  • the 60 nozzle pump insert with connection is connecting to the 41 nozzle pump connection segment of the 40 nozzle pump with connection, and the connection method in this case was shape-locking bond, i.e. in bayonet design.
  • Figure 4 shows an isometric view of the arrangement of Figure 3, with the visibility of some component being removed for better understanding.
  • the top figure illustrates the part of the 3 1 venturi connection segment of the 30 venturi with connection, as well as its design, i.e. the capability of shape-locking with a bayonet.
  • the middle figure illustrates the connection of 50 venturi insert with connection to the 31 venturi connection segment of the 30 venturi with connection, which is secured with 5 I insert securing pin to prevent loss.
  • the 51 insert securing pin can be a shape-locking or force-locking seal.
  • the bottom figure illustrates the connection of 50 venturi insert with connection to 30 venturi with connection so that the visibility of the connection part of 3 1 venturi connection segment is removed for better understanding, except for the pins of the shape-locking connection.
  • Figure 5 shows an isometric view of the arrangement of Figure 3, with the visibility of each component being removed for better understanding.
  • the top figure illustrates the design of the connection method of the 41 nozzle pump connection segment of the 40 nozzle pump with connection, it is shape-locking bond, i.e. in bayonet design.
  • the middle figure shows the connection of 60 nozzle pump insert with connection to 41 nozzle pump connection segment of the 40 nozzle pump with connection, which is secured with 61 insert second securing pin to prevent loss.
  • the 61 insert second securing pin can be shape-locking or force-locking bond.
  • the bottom figure represents the connection of 40 nozzle pump with connection to 60 nozzle pump insert with connection, so that the visibility of the connector portion of 41 nozzle pump connection segment is eliminated, except for the pins of the shape-locking bond.
  • Figure 6 illustrates the system shown in Figure 1 : 2 impeller house, 30 venturi with connection, 40 nozzle pump with connection and 71 connection element, which is a part of the 70 connecting unit, in top view, section and featured in detail.
  • mode of operation has been changed on the vehicle, i.e. by means of the dissolving bond, 50 venturi insert wdth connection and 60 nozzle pump insert with connection are removed.
  • dissolving bond to join 70 connecting unit, of w'hich's 71 connection element is connected by dissolving bond to 31 venturi connection segment with connection of the 30 venturi with connection.
  • the formation of the shape-locking bond i.e.
  • bayonet is identical to 71 connection element of 70 connecting unit, each can connect separately to 3 1 venturi connection segment of the 30 venturi with connection. In case of connecting the 70 connecting unit to the 30 venturi with connection, there is no need to remove the 40 nozzle pump with connection. Connecting the 70 connecting unit to 30 venturi with connection can be done without using tools, and it has the same connection form as 50 venturi insert with connection. To prevent loss of the 70 connecting unit it is securely attached to the mounting clamps on the 1 water jet vehicle.

Abstract

A device for changing the driving behavior and / or mode of operation of water jet vehicles, where the (70) connecting unit can be connected to (30) venturi with connection - that is the part of the system - with or without using tools. There is no need to remove the (40) nozzle pump with connection. A device for changing the driving behavior and / or mode of operation of water jet vehicles, where the application of (30) venturi with connection and (40) nozzle pump with connection ensures in one mode the original use of vehicle, while in the other mode the usage of connecting system, additional (70) connecting unit can be connected, without changing or removing of the elements. The occurent required cross-sectional change of (30) venturi with connection supplemented with (31) venturi connection segment, as well as (40) nozzle pump with connection supplemented with (41) nozzle pump connection segment can be modified by (50) venturi insert with connection, or by (60) nozzle pump insert with connection. Assemblage of (50) venturi insert with connection, as well as (60) nozzle pump insert with connection can be done with or without tools. The typical joints are the shape-locking and force-locking bonds.

Description

A device for changing the driving behavior and / or mode of operation of water jet vehicles
The present invention relates to a device for changing the driving behavior and / or mode of operation of water jet vehicles. In particular, the invention relates to a system that operates with a jet drive and provides cross-sectional adjustment and mode change in the system, regardless of whether the vehicle has a TRIM or TRIM-free system, a brake -IBR® or RiDE®, reverse or auxiliary system. The tool allows easy and quick cross-sectional adjustment in the vehicle's drive system which ensure the possibility to be able to change the acceleration, maximal velocity, control, deceleration, reverse or other parameters of the vehicle. In addition, the device also provides a solution for changing modes when different connecting units are connected, such as Flyboard® and Hoverboard® devices, ensuring the need for simple cross-sectional change, i.e., proper flow, during connection of the connecting units.
The adjustment option is solved by individual manufacturers only by replacing the complete system with the individual elements having different parameters, i.e. no cross section adjustment is possible within a single unit. When replacing elements, some parts of the vehicle need to be removed, that is time-consuming and difficult to install underwater.
A further solution has been described by the ZR® company, where the simplification of cross-sectional change and mode change have been solved by replacing a spacer, in which case the smaller cross-sectional component is used during original use of the vehicle, while in the other case the connected units - such as Flyboard® and Hoverboard® devices - due to increased cross-sectional demand and mode switching, another component should be used.
The above inventions do not provide a solution for simple cross-sectional change and / or mode change without replacement of parts.
Related to the above detailed facts, it is an object of the present invention to provide a solution beyond the prior art. More specifically, it is an object of the present invention to provide a plug-in device for a water jet driven vehicle that allows to change the cross- section of the component and the fluid flowing therein in a short time, thereby affecting the motion parameters of the vehicle or connected devices.
My aim is also to be able to supply the original intended use of the water jet driven vehicle in one case with the connector; in other case, the devices connected to it without replacing the connector.
The present invention provides a device for changing the driving behavior and / or mode of operation of water jet vehicles. It is an object of the present invention that the jet drive system of the water jet is supplied with a connector unit, to which additional different units, such as Flyboard® and Hoverboard® devices, can be connected. The use of a plug-in unit can ensure the original use of the vehicle and the cross-section adjustment can be solved by usage of inserts. The cross-sectional setting affects the motion parameters of the vehicle. There is a possibility to connect additional devices to the unit with a connector, such as Flyboard® and Hoverboard®, etc. - and their connection can be achieved with or without tools. Connecting the units is possible after removing the required insert from the reducer provided with the connector.
The present invention provides a device for changing the driving behavior and / or mode of operation of water jet vehicles, the device is also described in detail in the attached drawing, where
Figure 1 shows a water jet driven vehicle system comprising an impeller housing, a reducer with connector, a nozzle pump with connector, as well as a connecting unit,
Figure 2 shows the part of the system - shown in Figure 1 - a reducer with a connector, the connector part of the reducer with connector, a nozzle pump with connector, the connector part of the nozzle pump with connector,
Figure 3 shows the part of the system - shown in Figure I - a reducer with a connector, a nozzle pump with a connector and connecting inserts,
Figure 4 illustrates the connection of the components illustrated in Figure 3 in an isometric view by removing the visibility of some component for better understanding,
Figure 5 illustrates the further arrangement of the components demonstrated in Figure 3 in an isometric view by removing the visibility of some component for better understanding,
Figure 6 shows a unit with a connector forming part of the system of Figure 1. a nozzle pump with a connector and an arrangement of a connector unit.
Figure 1 shows the components of the 1 water jet vehicle. The components are the followings: 30 venturi with connection, 40 nozzle pump with connection and 70 connecting unit connected for mode changes. The 2 impeller house is connecting to the 30 venturi with connector, which is connecting to the 40 nozzle pump with connection. The system is characterized by the fact that these parts have the same connection like the factory components, but only contain the additional components necessary for the system to function. The 70 connecting unit can be attached to the 30 venturi with connector the way that its passes through the 40 nozzle pump with connection, thereby there is no need to remove the 40 nozzle pump with connection. The method of connection is shape-locking bond or force-locking bond.
The change of mode and / or cross section adjustment is not done according to the usual method of the prior art, i.e. it does not require main part replacement. For common solutions some of the vehicle's main components are needed to be removed, and the removed main components have to be replaced by another unit, which ensures cross- sectional change and / or mode change.
The system is characterized by the ability to use the vehicle as intended when 30 venturi with connection and 40 nozzle pump with connection are connected, while the 70 connecting unit can be connected to perform mode change.
Figure 2 shows the system introduced in Figure 1 : 2 impeller house, 30 venture with connection, 40 nozzle pump with connection in top view, in section and featured in detail. In this case, the cross-sectional diameter of 30 venturi with connection and the 40 nozzle pump with connection are larger order than the factory transverse cross-sections. The 2 impeller house is connected to the 30 venturi with connection by a conventional method, i.e. the connection mode corresponds to the factory connection. The 40 nozzle pump with connection is connected in a conventional manner to the 30 venturi with connection, i.e. the connection mode corresponds to the factory connection. Due to the increased flow cross- sections, the motion parameters of the vehicle are changing. On the 30 venturi with connection there is a 31 venturi connection segment, and on the 40 nozzle pump with connection there is a 41 nozzle pump connection segment, in these figures a possible solution are illustrated, a so called shape-locking bond, namely a bayonet. Preferably, the inner diameter of the 31 venturi connection segment is smaller than the inner diameter of 41 nozzle pump connection segment and is smaller than the inner diameter of 40 nozzle pump with connection for receiving additional units, during this process there is no need to remove the 40 nozzle pump with connection. Preferably, the 3 1 venturi connection segment is located on the exit side of the water on 30 venturi with connection. Preferably, the 4 1 nozzle pump connection segment is located on the exit side of the water on 40 nozzle pump with connection.
Figure 3 shows a schematic sectional view of the 30 venturi with connection - shown in Figure 1 - and the 40 nozzle pump with connection with further connected components, in top view, in section and featured in detail. 50 venturi insert with connection was inserted through the 40 nozzle pump with connection and the detachable connection was made to the 31 venturi connection segment of the 30 venturi with connection. The connection method in this case was shape-locking bond, i.e. in bayonet design. The 60 nozzle pump insert with connection is connecting to the 41 nozzle pump connection segment of the 40 nozzle pump with connection, and the connection method in this case was shape-locking bond, i.e. in bayonet design. By inserting 50 venturi insert with connection and 60 nozzle pump insert with connection, the flow cross-sections were reduced to provide cross-sectional dimensions that are necessary for the original use of the vehicle. The application of the 50 venturi insert with connection and 60 nozzle pump insert with connection can be done without the need for tools, and also without the need to remove further units and components on the vehicle. By changing the cross-sections of the flow of 50 venturi insert with connection and 60 nozzle pump insert with connection are able to change the movement characteristics of the vehicle, thus, their design may have any cross-sectional diameter.
Figure 4 shows an isometric view of the arrangement of Figure 3, with the visibility of some component being removed for better understanding. The top figure illustrates the part of the 3 1 venturi connection segment of the 30 venturi with connection, as well as its design, i.e. the capability of shape-locking with a bayonet. The middle figure illustrates the connection of 50 venturi insert with connection to the 31 venturi connection segment of the 30 venturi with connection, which is secured with 5 I insert securing pin to prevent loss. The 51 insert securing pin can be a shape-locking or force-locking seal. The bottom figure illustrates the connection of 50 venturi insert with connection to 30 venturi with connection so that the visibility of the connection part of 3 1 venturi connection segment is removed for better understanding, except for the pins of the shape-locking connection.
Figure 5 shows an isometric view of the arrangement of Figure 3, with the visibility of each component being removed for better understanding. The top figure illustrates the design of the connection method of the 41 nozzle pump connection segment of the 40 nozzle pump with connection, it is shape-locking bond, i.e. in bayonet design. The middle figure shows the connection of 60 nozzle pump insert with connection to 41 nozzle pump connection segment of the 40 nozzle pump with connection, which is secured with 61 insert second securing pin to prevent loss. The 61 insert second securing pin can be shape-locking or force-locking bond. The bottom figure represents the connection of 40 nozzle pump with connection to 60 nozzle pump insert with connection, so that the visibility of the connector portion of 41 nozzle pump connection segment is eliminated, except for the pins of the shape-locking bond.
Figure 6 illustrates the system shown in Figure 1 : 2 impeller house, 30 venturi with connection, 40 nozzle pump with connection and 71 connection element, which is a part of the 70 connecting unit, in top view, section and featured in detail. In this case, mode of operation has been changed on the vehicle, i.e. by means of the dissolving bond, 50 venturi insert wdth connection and 60 nozzle pump insert with connection are removed. After removal, to join 70 connecting unit, of w'hich's 71 connection element is connected by dissolving bond to 31 venturi connection segment with connection of the 30 venturi with connection. The formation of the shape-locking bond, i.e. bayonet is identical to 71 connection element of 70 connecting unit, each can connect separately to 3 1 venturi connection segment of the 30 venturi with connection. In case of connecting the 70 connecting unit to the 30 venturi with connection, there is no need to remove the 40 nozzle pump with connection. Connecting the 70 connecting unit to 30 venturi with connection can be done without using tools, and it has the same connection form as 50 venturi insert with connection. To prevent loss of the 70 connecting unit it is securely attached to the mounting clamps on the 1 water jet vehicle.

Claims

Claims:
1 . A device for changing the driving behavior and / or mode of operation of water jet vehicles, having to connect the (30) venturi with connection and the (40) nozzle pump with connection to the ( 1 ) water jet vehicle, characterized by the followings: the
(30) venturi with connection is provided with the (31 ) venturi connection segment in the water exit, furthermore the (40) nozzle pump with connection is provided with the (41 ) nozzle pump connection segment in the water exit, wherein the (50) venturi insert with connection is connected to the (30) venturi with connection - properly, but releasable, as well as the (60) nozzle pump insert with connection is connected to the (40) nozzle pump with connection - properly, but releasable;
2. Device according to claim 1 , characterized in that the (50) venturi insert with connection having a different cross-sectional surface area is removably connected to the
(31 ) venturi connection segment of the (30) venturi with connection;
3. Device according to claim 2, characterized in that the (50) venturi insert with connection is connected properly to the (31 ) venturi connection segment of the (30) venturi with connection by shape-locking bond;
4. Device according to claim 2, characterized in that the (50) venturi insert with connection is connected properly to the (3 1 ) venturi connection segment of the (30) venturi with connection by a force-locking bond;
5. Device according to claims 1 -4, characterized in that the (60) nozzle pump insert with connection having a different cross-sectional surface area is removably connected to the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection;
6. Device according to claim 5, characterized in that the (60) nozzle pump insert with connection is connected properly to the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection by shape-locking bond;
7. Device according to claim 5, characterized in that the (60) nozzle pump insert with connection is connected properly to the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection by a force-locking bond;
8. Device according to claim 1 , characterized in that (3 1 ) venturi connection segment of the (30) venturi with connection is connected to the known per se, to the (70) connecting unit, adjusted to its base and size with the help of the (7 1 ) connection element of the (70) connecting unit;
9. Device according to claim 8, characterized in that the (70) connecting unit is connected properly to the (31 ) venturi connection segment of the (30) venturi with connection by shape-locking bond with the help of the (71 ) connection element of the (70) connecting unit;
10. Device according to claim 8, characterized in that the (70) connecting unit is connected properly to the (31 ) venturi connection segment of the (30) venturi with connection by force-locking bond with the help of the (71 ) connection element of the (70) connecting unit;
1 1. Device according to claim 1 , characterized in that the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection is connected to the known per se, the (70) connecting unit, adjusted to its base and size with the help of the (71 ) connection element of the (70) connecting unit;
12. Device according to claim 1 1 , characterized in that the (70) connecting unit is connected properly to the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection by shape-locking bond with the help of the (71 ) connection element of the (70) connecting unit;
13. Device according to claim 1 1 , characterized in that the (70) connecting unit is connected properly to the (41 ) nozzle pump connection segment of the (40) nozzle pump with connection by force-locking bond with the help of the (71 ) connection element of the (70) connecting unit;
PCT/HU2019/000015 2018-06-02 2019-05-27 A device for changing the driving behavior and / or mode of operation of water jet vehicles WO2019229484A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HUU1800091 2018-06-02
HUU1800091U HU5064U (en) 2018-06-02 2018-06-02 Device for changing the ride characteristics and/or operating mode of water jet vehicles

Publications (1)

Publication Number Publication Date
WO2019229484A1 true WO2019229484A1 (en) 2019-12-05

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WO (1) WO2019229484A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905723B1 (en) * 2014-06-04 2014-12-09 Pedro P Blanco Venturi
CA2976797A1 (en) * 2016-08-19 2018-02-19 Waimed Enterprises, LLC Closed tunnel system and directional device for outboard jet motors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905723B1 (en) * 2014-06-04 2014-12-09 Pedro P Blanco Venturi
CA2976797A1 (en) * 2016-08-19 2018-02-19 Waimed Enterprises, LLC Closed tunnel system and directional device for outboard jet motors

Also Published As

Publication number Publication date
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