FR557841A - Boat thruster - Google Patents

Boat thruster

Info

Publication number
FR557841A
FR557841A FR557841DA FR557841A FR 557841 A FR557841 A FR 557841A FR 557841D A FR557841D A FR 557841DA FR 557841 A FR557841 A FR 557841A
Authority
FR
France
Prior art keywords
boat thruster
thruster
boat
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
August Frisch
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 filed Critical
Application granted granted Critical
Publication of FR557841A publication Critical patent/FR557841A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR557841D 1921-10-28 1922-10-26 Boat thruster Expired FR557841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH557841X 1921-10-28

Publications (1)

Publication Number Publication Date
FR557841A true FR557841A (en) 1923-08-16

Family

ID=4520098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557841D Expired FR557841A (en) 1921-10-28 1922-10-26 Boat thruster

Country Status (1)

Country Link
FR (1) FR557841A (en)

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