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Swimming and Diving Aids

A technology of auxiliary device and centering device, which is applied in the direction of transportation and packaging, propulsion transmission device, propulsion transmission device, etc., can solve the problems of reducing efficiency, increasing energy consumption, affecting transportation, etc., to eliminate power supply, reduce mechanical load, The effect of increasing lifespan

Active Publication Date: 2019-10-01
CAYAGO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of this arrangement is that the additional weight of the watercraft caused by the necessarily extended drive shaft seriously affects the transport (in particular the transport of the movement device out of water)
The increased mass inertia of the drive shaft affects the dynamics of the drive, which must be compensated by a correspondingly more powerful electric motor, with the disadvantage of increased energy consumption
Due to the disturbance of the flow in the flow channel which reduces the efficiency caused by the drive shaft guided through the flow channel, and due to the interruption of the otherwise smooth walls of the flow channel in the region where the drive shaft is guided into the flow channel, additional Shortcomings

Method used

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  • Swimming and Diving Aids
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  • Swimming and Diving Aids

Examples

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Embodiment Construction

[0030] figure 1 The swimming and diving aid 10 is shown in a perspective side view from behind. The swimming and diving aid 10 has a hull 11 . The hull 11 is composed of an upper part 11.6 and a lower part 11.4. The upper part 11 . 6 is equipped with two handles 16 arranged on both sides of the hull 11 . The user can hold the two handles 16 and use the operating elements 16 . 1 attached to the handles 16 to control the swimming and diving assistance device 10 . Specifically, the engine output of the swimming and diving assistance device 10 can be varied here. The user holding the handle 16 lays his upper body flat on the upper part 11 . 6 on the contact surface 11 . 3 in the area behind the display 13 . A holder 11.7 is attached to the contact surface 11.3 for securing a strap system by which the user can tie himself to the swimming and diving aid 10. A cover 12 for a charging socket (which is shown behind the cover) is arranged in front of the contact surface 11.3. The ...

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Abstract

The invention relates to a swimming and diving aid having a hull on which the user lies or stands, the swimming and diving aid having a flow channel arranged in the hull and accommodating a An electric motor driven propeller having radially outwardly directed propeller blades mounted on the base of the propeller, wherein the electric motor has a rigidly arranged motor stator and a rotating rotor arranged spatially adjacent to the motor stator. An arrangement is provided for coupling a rotor of an electric motor directly or indirectly to at least one outer end of at least one propeller blade and for arranging a motor stator circumferentially around the rotor at least in sections. The motor arrangement allows for powered driving of swimming and diving aids.

Description

technical field [0001] The invention relates to a swimming and diving aid having a hull for the user to lie on or stand on, the hull having flow channels arranged in the hull and housing a propeller driven by an electric motor, the propeller There are radially outwardly directed propeller blades mounted on the base of the propeller, wherein the electric motor has a rigidly arranged motor stator and a rotating rotor arranged spatially adjacent to the motor stator. Background technique [0002] A swimming and diving aid of this type is known from DE 10 2004 049 615 B4. The swimming and diving aid has a handle arrangement that the user can grasp when the user lays part of his upper body flat on the upper side of the vehicle hull of the water vehicle. The flow channel in which the propeller is accommodated is arranged in the hull. The propellers are driven by electric motors powered via batteries. For this, the propeller is connected to an electric motor via a drive shaft. T...

Claims

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Application Information

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IPC IPC(8): B63H23/24B63H11/08B63H21/17B63H23/00
CPCB63H11/08B63H21/17B63H23/00B63H23/24B63H2023/005
Inventor 汉斯-彼得·瓦尔普吉斯
Owner CAYAGO
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