UTURN, Ultimate Convergence Machine
US Patent #7,344,111 (3/08) as continued via
US 11/040,170 (Jan. 21, 2005) (approved 1/09)

NEW: Regenerative Liquefaction

Uturn // Approved: Regenerative Liquefaction (Jan/09)

Continuation Application; US 11/040,170 (Jan. 21, 2005)

Abstract;

A reversible aerospace plane includes an air intake at a first end of the aerospace plane, at least one heat exchanger disposed in the aerospace plane, an engine at a second end of the aerospace plane, wherein the aerospace plane is configured to accelerate in a first direction and configured to glide and land in a second direction, wherein the second direction is substantially in a reverse direction from the first direction.

Claims;

  1. A reversible aerospace plane, comprising an air intake at a first end of the aerospace plane to receive air; at least one heat exchanger disposed in the aerospace plane; and an engine at a second end of the aerospace plane, wherein the aerospace plane is configured to accelerate in a first orientation and configured to glide and land in a second orientation, wherein the second orientation is substantially a reverse of the first orientation, said at least one heat exchanger comprising a plurality of stages, at least one stage of said plurality of stages being configured to use tanked liquid hydrogen as a coolant to condense at least a portion of an oxygen component of the received air to produce liquefied oxygen and another stage of said plurality of stages being configured to condense the received air through the expansion of said liquefied oxygen produced in said at least one stage of said plurality of stages.
  2. The reversible aerospace plane as defined in claim 1, in which said plurality of stages further comprises an intake heat exchanger stage to cool the received air through the expansion of nitrogen separated from said received air.
  3. The reversible aerospace plane as defined in claim 2, further comprising a nose cone heat exchanger disposed in the nose cone and configured to pre-cool incident air.
  4. The reversible aerospace plane as defined in claim 3, wherein the nose cone is configured to be jettisoned before a re-entry.
  5. A reversible aerospace plane, comprising an air intake at a first end of the aerospace plane to receive air; at least one heat exchanger disposed in the aerospace plane; and an engine at a second end of the aerospace plane, wherein the aerospace plane is configured to accelerate in a first orientation and configured to glide and land in a second orientation, wherein the second orientation is substantially a reverse of the first orientation, said at least one heat exchanger including a plurality of heat exchanger stages, said plurality of heat exchanger stages comprising:(a) one stage configured to condense the received air through the expansion of tank hydrogen;(b) another stage configured condense the received air through the expansion of oxygen separated from condensed air in said one stage; and(c) an intake heat exchanger stage to cool the received air through the expansion of nitrogen separated from air condensed in said one stage.

  6. The reversible aerospace plane has defined in claim 5, wherein the engine comprises a bell nozzle engine.
  7. The reversible aerospace plane as defined in claim 5, wherein the bell nozzle engine is configured to be jettisoned before a re-entry.
  8. The reversible aerospace plane as defined in claim 5, wherein the engine comprises an aerospike engine.
  9. The reversible aerospace plane as defined in claim 5, wherein the aerospace plane forms a hyper foil when traveling in the first orientation and a para foil when traveling in the second orientation.

Patent title: Reversible space plane

U-Turn US Patent #7,344,111
December 15, 2008

To quote Toffler (Future Shock, 1970), the Uturn may well present the most important "change and adaption" in our time.

Uturn Semantics


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