Wave Motion Launch Corporation

United States of America

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1.

Apparatus and method for accelerating an object via an external free jet

      
Application Number 17833227
Grant Number 11740039
Status In Force
Filing Date 2022-06-06
First Publication Date 2022-09-22
Grant Date 2023-08-29
Owner Wave Motion Launch Corporation (USA)
Inventor Van Donkelaar, Finn

Abstract

An apparatus includes an energy source and an expansion structure. The energy source is configured to convey an amount of energy operable to increase a pressure of a compressible gas disposed in a chamber. The expansion structure is configured to be placed in fluid communication with the chamber and to receive a flow of the compressible gas in response to the increase in pressure. The expansion structure includes an inlet having a first diameter and an outlet having a second diameter greater than the first diameter and is configured to allow the compressible gas to expand as the compressible gas flows from the inlet to the outlet such that a supersonic free jet of the compressible gas exits the outlet. In some instances, the supersonic free jet of the compressible gas can accelerate, relative to the expansion structure, a projectile disposed outside of the expansion structure.

IPC Classes  ?

  • F41A 1/04 - Missile propulsion using the combustion of a liquid or gaseous fuel, e.g. hypergolic fuel

2.

Apparatus and method for accelerating an object via an external free jet

      
Application Number 17142959
Grant Number 11359877
Status In Force
Filing Date 2021-01-06
First Publication Date 2021-05-20
Grant Date 2022-06-14
Owner Wave Motion Launch Corporation (USA)
Inventor Van Donkelaar, Finn

Abstract

An apparatus includes an energy source and an expansion structure. The energy source is configured to convey an amount of energy operable to increase a pressure of a compressible gas disposed in a chamber. The expansion structure is configured to be placed in fluid communication with the chamber and to receive a flow of the compressible gas in response to the increase in pressure. The expansion structure includes an inlet having a first diameter and an outlet having a second diameter greater than the first diameter and is configured to allow the compressible gas to expand as the compressible gas flows from the inlet to the outlet such that a supersonic free jet of the compressible gas exits the outlet. In some instances, the supersonic free jet of the compressible gas can accelerate, relative to the expansion structure, a projectile disposed outside of the expansion structure.

IPC Classes  ?

  • F41A 1/04 - Missile propulsion using the combustion of a liquid or gaseous fuel, e.g. hypergolic fuel

3.

Apparatus and method for accelerating an object via an external free jet

      
Application Number 16661337
Grant Number 10928146
Status In Force
Filing Date 2019-10-23
First Publication Date 2020-04-30
Grant Date 2021-02-23
Owner WAVE MOTION LAUNCH CORPORATION (USA)
Inventor Van Donkelaar, Finn

Abstract

An apparatus includes an energy source and an expansion structure. The energy source is configured to convey an amount of energy operable to increase a pressure of a compressible gas disposed in a chamber. The expansion structure is configured to be placed in fluid communication with the chamber and to receive a flow of the compressible gas in response to the increase in pressure. The expansion structure includes an inlet having a first diameter and an outlet having a second diameter greater than the first diameter and is configured to allow the compressible gas to expand as the compressible gas flows from the inlet to the outlet such that a supersonic free jet of the compressible gas exits the outlet. In some instances, the supersonic free jet of the compressible gas can accelerate, relative to the expansion structure, a projectile disposed outside of the expansion structure.

IPC Classes  ?

  • F41A 1/04 - Missile propulsion using the combustion of a liquid or gaseous fuel, e.g. hypergolic fuel