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US3276528A Expired / Lapsed US ⏱️ 0.0 years remaining

Ground effect vehicle with applied differential torque steering means

Assignee: BAC AND BRITISH AEROSPACE
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Filing: 1963-05-20
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Granted: 1966-10-04
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Expires: 1983-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Tucknott Robert George
  • 👤 Midgley Peter John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 15:25
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 264 words
A GASEOUS JET THRUST SUPPORTED VEHICLE COMPRISING IN COMBINATION: A VEHICLE BODY HAVING A FRONT EDGE, A REAR EDGE, AND TWO LATERAL EDGES, ROAD WHEELS JOURNALLED ON SAID BODY AND SUPPORTING SAID BODY ON THE GROUND, A PRIME MOVER MOUNTED ON SAID BODY, A PLURALITY OF DUCTED FANS MOUNTED ALONG SAID FRONT EDGE, SAID REAR EDGE AND SAID LATERAL EDGES OF SAID BODY AND MEANS CAPABLE OF GEARING SAID DUCTED FANS TO SAID PRIME MOVER, OUTBOARD AND INBOARD NOZZLES DIRECTING THE EFFLUX OF SAID DUCTED FANS AND IN OPERATION PRODUCING AN OUTER AND AN INNER JET CURTAIN, RESPECTIVELY, ENCLOSING AT LEAST ONE GROUND EFFECT CUSHION OF SUBSTANTIALLY RECTANGULAR PLANE FORM AND HAVING A SUBSTANTIALLY VERTICAL MOMENTUM THRUST OF A MAGNITUDE LESS THAN THE WEIGHT OF SAID VEHICLE BUT EXCEEDING THE MAGNITUDE REQUIRED FOR STATICALLY HOVERING AT A STEADY HOVERING HEIGHT, PROPULSION MEANS CAPABLE OF BEING GEARED TO SAID PRIME MOVER, IN OPERATION IMPARTING A SUBSTANTIALLY HORIZONTAL THRUST TO SAID VEHICLE, A FLYWHEEL MECHANISM, SPEED-UP TRANSMISSION MEANS CAPABLE OF GEARING SAID MECHANISM AT AN INCREASED RATIO OF REVOLUTIONS TO SAID PRIME MOVER AND TO SAID DUCTED FANS, SAID FLYWHEEL MECHANISM IN OPERATION STORING ENERGY FROM SAID PRIME MOVER AND RELEASING THE SAME IN ADDITION TO THAT OF SAID PRIME MOVER TO SAID DUCTED FANS, SAID DUCTED FANS HAVING BLADES MOUNTED ANGULARLY ADJUSTABLE, AND CONTROL MEANS CAPABLE OF RAPIDLY INCREASING THE ANGLE OF SAID BLADES FOR EXTRACTING THE ENERGY STORED IN SAID FLYWHEEL MECHANISM IN ORDER TO LEAP OVER OBSTACLES OF PREDETERMINED LENGTH AND HEIGHT, BUT NOT TO SUSTAIN FREE FLIGHT ABOVE SAID STEADY HOVERING HEIGHT.
Claim 2
Dependent Claim 264 words
A GASEOUS JET THRUST SUPPORTED VEHICLE COMPRISING IN COMBINATION: A VEHICLE BODY HAVING A FRONT EDGE, A REAR EDGE, AND TWO LATERAL EDGES, ROAD WHEELS JOURNALLED ON SAID BODY AND SUPPORTING SAID BODY ON THE GROUND, A PRIME MOVER MOUNTED ON SAID BODY, A PLURALITY OF DUCTED FANS MOUNTED ALONG SAID FRONT EDGE, SAID REAR EDGE AND SAID LATERAL EDGES OF SAID BODY AND MEANS CAPABLE OF GEARING SAID DUCTED FANS TO SAID PRIME MOVER, OUTBOARD AND INBOARD NOZZLES DIRECTING THE EFFLUX OF SAID DUCTED FANS AND IN OPERATION PRODUCING AN OUTER AND AN INNER JET CURTAIN, RESPECTIVELY, ENCLOSING AT LEAST ONE GROUND EFFECT CUSHION OF SUBSTANTIALLY RECTANGULAR PLANE FORM AND HAVING A SUBSTANTIALLY VERTICAL MOMENTUM THRUST OF A MAGNITUDE LESS THAN THE WEIGHT OF SAID VEHICLE BUT EXCEEDING THE MAGNITUDE REQUIRED FOR STATICALLY HOVERING AT A STEADY HOVERING HEIGHT, PROPULSION MEANS CAPABLE OF BEING GEARED TO SAID PRIME MOVER, IN OPERATION IMPARTING A SUBSTANTIALLY HORIZONTAL THRUST TO SAID VEHICLE, A FLYWHEEL MECHANISM, SPEED-UP TRANSMISSION MEANS CAPABLE OF GEARING SAID MECHANISM AT AN INCREASED RATIO OF REVOLUTIONS TO SAID PRIME MOVER AND TO SAID DUCTED FANS, SAID FLYWHEEL MECHANISM IN OPERATION STORING ENERGY FROM SAID PRIME MOVER AND RELEASING THE SAME IN ADDITION TO THAT OF SAID PRIME MOVER TO SAID DUCTED FANS, SAID DUCTED FANS HAVING BLADES MOUNTED ANGULARLY ADJUSTABLE, AND CONTROL MEANS CAPABLE OF RAPIDLY INCREASING THE ANGLE OF SAID BLADES FOR EXTRACTING THE ENERGY STORED IN SAID FLYWHEEL MECHANISM IN ORDER TO LEAP OVER OBSTACLES OF PREDETERMINED LENGTH AND HEIGHT, BUT NOT TO SUSTAIN FREE FLIGHT ABOVE SAID STEADY HOVERING HEIGHT.

References Cited (Backward Citations)

US2989269A Cited
GB900903A Cited
US3026066A Cited
GB909118A Cited
US3082977A Cited
US3117747A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

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