A jet propulsion device includes an impeller housing, an impeller, a sleeve, a first ring-shaped elastic body, and a second ring-shaped elastic body. The first ring-shaped elastic body is disposed between the impeller housing and the sleeve, and is located between a first end and a middle of the sleeve in an axial direction of the sleeve. The second ring-shaped elastic body is disposed between the impeller housing and the sleeve, and is located between a second end and the middle of the sleeve in the axial direction of the sleeve.
Jet propulsion device
2020-06-30
Patent
Electronic Resource
English
PROPULSION DEVICE, PROPULSION CONTROL DEVICE, AND PROPULSION CONTROL PROGRAM
European Patent Office | 2024
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