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Transformer & SP- Drone
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(4 Patents/Applications)

3a_wo2021029947a2.pdf
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3c_pct_us20_36936.pdf
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Patent Portfolio (does not include provisional applications):
#1   US 10,589,838       Multicopter with Passively-Adjusting Tiltwing. Filed 10-Sep-2019.  Issued 17-Mar-2020.
#2   US 11,186,367       Multicopter with Improved Propulsor and Failsafe Operation. Filed 06-Feb-2020.  Issued 30-Nov-2021.
#3   PCT/US20/36936    Multicopter with Improved Propulsor and Failsafe. Filed 10-Jun-2020.
#4   PCT/US21/16392    Flat Plate Airfoil Platform Vehicle. Filed 03-Feb-2021.   -  see Article 34 Claims (above) identified as patentable.
#5   PCT/US22/14884    (addition of electric motor and new hybrid electric-fuel jet technology).

See Prototypes for proofs of concepts, HS-Drone, and Summary for further more details on Transformer and SP- Drones.
 Path of Innovation - These patents are more than technologies, they are a new path and evolution in aerial platforms and related technologies.  The following are the topics of independent claims (including the currently pending European patent application):
  1. A tiltwing that longitudinally aligns with a flat fuselage surface for form a flat, long, lifting body.
  2. A mostly thin/long platform fuselage being towed through a front hinge joint.
  3. An aircraft with a forward-extending arm attached to a front tiltwing(s).
  4. A failsafe landing method where a front tiltwing (alone) can achieve an emergency vertical landing.
This HS-Drone technology is leveraged by improved electric motors and hybrid electric-fuel jet engines--both of which have paths of evolution that are half the weight and cost of contemporary alternatives.  The electric motor technology is described in applications #2-#5 (above).  The new jet engine design is described in the US22 PCT and will be published in Sep-22.  The jet engine technology is especially compatible with hybrid electric-fuel jet engines, but it is also a breakthrough design in jet engines that has a path of simpler, lighter-weight, and more efficient jet engines.  

Towed Platform of Unlimited Upside Potential - HS-Drone's Towed Platforms deliver to the lead aircraft/tiltwing >4X more power than is needed to sustain their 24/7 flight.  This translates to an essentially unlimited amount of energy to SP-Drone aircraft.  And that energy is solar energy at less than 20% of the cost of solar energy on Earth's surface due to higher solar panel productivity in the stratosphere and the ultra-low cost of towed solar platforms.  Here is the basis for these estimates.

Attainable power generation from a Towed Platform is 300-600 W/kg; which is a range between photovoltaic cells supported on a standard honeycomb array (150 W/kg) and the thin film photocell array (>1000 W/kg) (see Sprectrolab Inc.).  The required thrust power (per kg) is acceleration (9.8 m/s2) times velocity (m/s) divided by L:D.  At an L:D of 50:1 (i.e. half of 100:1 goal) and speeds of 360 and 720 km/h; the thrust power requirements are 20 and 40 W/kg; the provided power is >10X that needed (>4X is a toned-down factor and accounts for night time) to tow the platform.  Since both weight and lift are evenly distributed, little structure is needed for flight; a structured shuttle aircraft can be used to take the platform to flight/altitude.

Opportunity - Most new aircraft are incremental changes to concepts known for decades, including the V-22 Osprey (bicopter) tiltrotor and the B-2 flying wing.  Also, it takes too long and costs too much to commercialize these incremental changes.
 
The Disruption - Two patented/patent-pending advances are creating INCREDIBLE capabilities. 
1)  Transformer Drone performs safer and simpler transitions to more-efficient cruising configurations.  For example, the V-22 targets transformation to a twin-prop plane while Transformer Drone targets transformation to aircraft like the D8 Double Bubble, having a > 100% increase in cruising energy efficiency with higher speeds.  Correction, a >200% increase in cruising energy efficiency, because drones can have thinner profiles that do not require pressurized cabins.
2) SP-Drone is a lighter-weight, lower-drag, and and easily expandable method to collect solar energy on an aircraft.  The solar energy collected per weight for SP-Drone's solar platforms is literally >300% more than possible with the increased wingspan approaches of NASA's HELIOS (and other) solar aircraft.  Implications extend to dominance of freight and passenger transit as well as new stratosphere-based manufacturing.
 
Unprecedented - This project brings forth at least two (not one) disruptive technologies which are inter-related in two dimensions of innovation (transformations vs solar power enhancement).  And those innovations are early in the patent protections, with 19 years of world-wide patent protection in the balance.  These scalable innovations can be commercialized faster and better than ever before by early emphasis on kit/hobby/toy scale drone markets.   

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Contact

Galen J. Suppes, PhD, PE

Email:  suppesg@mediacombb.net

mailto:suppesg@mediacombb.net