FR840489A - Improvement in boat propellers - Google Patents

Improvement in boat propellers

Info

Publication number
FR840489A
FR840489A FR840489DA FR840489A FR 840489 A FR840489 A FR 840489A FR 840489D A FR840489D A FR 840489DA FR 840489 A FR840489 A FR 840489A
Authority
FR
France
Prior art keywords
improvement
boat propellers
propellers
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
Werner Baumann
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 FR840489A publication Critical patent/FR840489A/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
    • B63H1/28—Other means for improving propeller efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR840489D 1937-07-10 1938-07-08 Improvement in boat propellers Expired FR840489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU840489X 1937-07-10

Publications (1)

Publication Number Publication Date
FR840489A true FR840489A (en) 1939-04-26

Family

ID=19734042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840489D Expired FR840489A (en) 1937-07-10 1938-07-08 Improvement in boat propellers

Country Status (1)

Country Link
FR (1) FR840489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117436B (en) * 1959-08-26 1961-11-16 Eta Corp G M B H Propeller, in particular ship propeller, or conveyor screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117436B (en) * 1959-08-26 1961-11-16 Eta Corp G M B H Propeller, in particular ship propeller, or conveyor screw

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