FR410889A - Rotating flat shovel wheel provides lift and propulsion force when descending and folds up when ascending to avoid air resistance - Google Patents

Rotating flat shovel wheel provides lift and propulsion force when descending and folds up when ascending to avoid air resistance

Info

Publication number
FR410889A
FR410889A FR410889DA FR410889A FR 410889 A FR410889 A FR 410889A FR 410889D A FR410889D A FR 410889DA FR 410889 A FR410889 A FR 410889A
Authority
FR
France
Prior art keywords
folds
ascending
descending
air resistance
propulsion force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Emile Gras
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR410889A publication Critical patent/FR410889A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/006—Paddle wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR410889D 1909-12-02 1909-12-02 Rotating flat shovel wheel provides lift and propulsion force when descending and folds up when ascending to avoid air resistance Expired FR410889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR410889T 1909-12-02

Publications (1)

Publication Number Publication Date
FR410889A true FR410889A (en) 1910-06-01

Family

ID=1454897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR410889D Expired FR410889A (en) 1909-12-02 1909-12-02 Rotating flat shovel wheel provides lift and propulsion force when descending and folds up when ascending to avoid air resistance

Country Status (1)

Country Link
FR (1) FR410889A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709728A (en) * 1993-07-30 1998-01-20 Isover Saint-Gobain Method and device for the production of mineral wool by using mineral wool waste as recycled starting material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709728A (en) * 1993-07-30 1998-01-20 Isover Saint-Gobain Method and device for the production of mineral wool by using mineral wool waste as recycled starting material

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