Invention Grant
- Patent Title: Micro-cavity discharge thruster (MCDT)
- Patent Title (中): 微腔排气推进器(MCDT)
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Application No.: US12589182Application Date: 2009-10-19
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Publication No.: US08689537B1Publication Date: 2014-04-08
- Inventor: Rodney L. Burton , James Gary Eden , Sung-Jin Park , David L. Carroll
- Applicant: Rodney L. Burton , James Gary Eden , Sung-Jin Park , David L. Carroll
- Applicant Address: US IL Champaign
- Assignee: CU Aerospace, LLC
- Current Assignee: CU Aerospace, LLC
- Current Assignee Address: US IL Champaign
- Agent Adam K. Sacharoff
- Main IPC: F03H1/00
- IPC: F03H1/00 ; H05H1/02

Abstract:
It is disclosed herein a breakthrough concept for in-space propulsion for future Air Force, NASA and commercial systems. The invention combines the fields of micro-electrical-mechanical (MEMs) devices, optical physics, and nonequilibrium plasmadynamics to reduce dramatically the size of electric thrusters by 1-2 orders of magnitude, which when coupled with electrodeless operation and high thruster efficiency, will enable scalable, low-cost, long-life distributable propulsion for control of microsats, nanosats, and space structures. The concept is scalable from power levels of 1 W to tens of kilowatts with thrust efficiency exceeding 60%. Ultimate specific impulse would be 500 seconds with helium, with lower values for heavier gases.
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