Jet propulsion boat
US-10071793-B2 · Sep 11, 2018 · US
Generation of a pulsed jet by jet vectoring through a nozzle with multiple outlets
US9108711B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9108711-B2 |
| Application number | US-72682610-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 18, 2010 |
| Priority date | Mar 23, 2009 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
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A method of producing a pulsatile jet flow from a substantially constant flow primary jet in a way that is mechanically efficient, easy to implement, and allows direct control over pulse duration and pulsing frequency is disclosed herein. The invention includes at least two components: (a) a constant flow fluid jet produced by any normal method (e.g., propeller) that can be directionally vectored fluidically, mechanically, or electromagnetically and (b) a nozzle with multiple outlets (orifices) through which the vectored jet may be directed. By alternately vectoring the jet through different outlets, a transient (pulsatile) flow at an outlet is obtained even with a substantially constant primary jet flow. Additionally, the nozzle outlets may be oriented in different directions to provide thrust vectoring, making the invention useful for maneuvering, directional control, etc.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for vectored jet thrust comprising: positioning within a vehicle having an outer surface three or more vectored jet thrusters to provide control of the vehicle over multiple degrees of freedom; in each of the three or more vectored jet thrusters: generating a jet of substantially constant flow in the vehicle, wherein a downstream trajectory of the jet is vectored at one or more angles with respect to an axis of an upstream portion of the jet; c…
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- What does patent US9108711B2 cover?
- A method of producing a pulsatile jet flow from a substantially constant flow primary jet in a way that is mechanically efficient, easy to implement, and allows direct control over pulse duration and pulsing frequency is disclosed herein. The invention includes at least two components: (a) a constant flow fluid jet produced by any normal method (e.g., propeller) that can be directionally vector…
- Who is the assignee on this patent?
- Krueger Paul S, Univ Southern Methodist
- What technology area does this patent fall under?
- Primary CPC classification B63H25/46. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 18 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).