Outboard motor
US-9481437-B2 · Nov 1, 2016 · US
Ship propulsion device and ship having the same
US9017119B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9017119-B2 |
| Application number | US-201114123506-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 23, 2011 |
| Priority date | Jun 2, 2011 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive shaft of the front of the rear propeller to be rotated; and a reverse rotary device having a plurality of gears which are provided on a rear side of the ship, and transmits rotation of the drive shaft after reversing the rotation to the front propeller.
First claim
Opening claim text (preview).
The invention claimed is: 1. A ship propulsion device comprising: a rear propeller fixed to a drive shaft; a front propeller rotatably supported by the drive shaft in front of the rear propeller; and a counter rotation unit installed to a stern part of a hull, the counter rotation unit including a plurality of gears configured to reverse rotation of the drive shaft and transmit reversed rotation to the front propeller, wherein the counter rotation unit includes a driving gea…
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Classifications
Operations & Transport · mapped topic
- B63H5/10Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9017119B2 cover?
- Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive shaft of the front of the rear propeller to be rotated; and a reverse rotary device having a plurality of gears which are provided on a rear side of the ship, a…
- Who is the assignee on this patent?
- Lee Jin Suk, Lee Tae Goo, Paik Kwang Jun, and 7 more
- What technology area does this patent fall under?
- Primary CPC classification B63H5/10. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 28 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).