Boring or penetrating the earth – Boring by directly applying heat to fluidize or comminute – Combustion is confined chamber having restricted discharge...
Reexamination Certificate
2006-03-23
2010-11-09
Neuder, William P (Department: 3672)
Boring or penetrating the earth
Boring by directly applying heat to fluidize or comminute
Combustion is confined chamber having restricted discharge...
C175S061000
Reexamination Certificate
active
07828078
ABSTRACT:
The present invention is a self-contained, high-energy liquid rock-boring system that will bore a small-diameter access hole [5] several hundred meters through hard granite and other obstacles within minutes of deployment. It employs a land unit [100] platform subsystem [1000] with an energetic fluid fuel reservoir [1300] and a boring subsystem [3000] having a plurality of pulsejets [3100]. Each pulsejet [3100] repeatedly ignites the energetic fluid [7] causing a plurality of rapidly-expanding gas bubbles [3250] which create and force a plurality liquid slugs [10] ahead of them rapidly out through a nozzle [3260] causing the slugs [10] to impact against materials ahead of the nozzles [3260], boring an access hole [5]. The system also employs an umbilical subsystem [2000] connecting the boring [3000] and the platform subsystems [1000]. The system can be used to rapidly bore an access hole [5] to provide air and resources to trapped miners. Alternatively, the system may also be used to bore an access hole [5] to underground threatening targets to neutralize them.
REFERENCES:
patent: 4883133 (1989-11-01), Fletcher et al.
patent: 5771984 (1998-06-01), Potter et al.
patent: 7584807 (2009-09-01), Berger et al.
Berger Wojciech Andrew
Carter Jerry A.
Davey Christopher
Mazurkiewicz Marian
Pell Richard M.
Neuder William P
Riddle Patent Law
Riddle, Esq. Charles L.
The University of Scranton
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