|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||C06B-021/00 C06B-045/00 F02K-009/10 B29C-064/106 B33Y-010/00|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 9|
A method of producing a propellant material element, such as an electrically-operated propellant material, includes extruding a propellant material through a heated nozzle. The nozzle may be heated to a temperature that is above the boiling point of a solvent that is part of the propellant material, yet is below a decomposition temperature of the propellant material. This allows some of the solvent to be driven off during the extruding process, while still preventing initiation of an energy-creating reaction within the material. The heating of the materi...
1. A method of additively manufacturing a solid propellant element, the method comprising: heating a nozzle to produce a heated nozzle;extruding through the heated nozzle a propellant material that includes a fuel and a solvent, to form the solid propellant element;wherein the extruding occurs when the heated nozzle is at a temperature that is above a boiling point of the solvent and below a decomposition temperature of the propellant material;wherein the extruding removes some of the solvent from the propellant material;wherein the solvent is water and/...