FR37689E - Device for improving the propulsion efficiency of propellers - Google Patents

Device for improving the propulsion efficiency of propellers

Info

Publication number
FR37689E
FR37689E FR37689DA FR37689E FR 37689 E FR37689 E FR 37689E FR 37689D A FR37689D A FR 37689DA FR 37689 E FR37689 E FR 37689E
Authority
FR
France
Prior art keywords
propellers
improving
propulsion efficiency
propulsion
efficiency
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
Leo Costanievich
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 FR37689E publication Critical patent/FR37689E/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
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H2025/066—Arrangements of two or more rudders; Steering gear therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Farming Of Fish And Shellfish (AREA)
FR37689D 1928-12-04 1929-08-20 Device for improving the propulsion efficiency of propellers Expired FR37689E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3573328A GB327719A (en) 1928-12-04 1928-12-04 Means for promoting screw propeller efficiency

Publications (1)

Publication Number Publication Date
FR37689E true FR37689E (en) 1931-01-14

Family

ID=10380988

Family Applications (2)

Application Number Title Priority Date Filing Date
FR37356D Expired FR37356E (en) 1928-12-04 1929-08-19 Device for improving the propulsion efficiency of propellers
FR37689D Expired FR37689E (en) 1928-12-04 1929-08-20 Device for improving the propulsion efficiency of propellers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR37356D Expired FR37356E (en) 1928-12-04 1929-08-19 Device for improving the propulsion efficiency of propellers

Country Status (2)

Country Link
FR (2) FR37356E (en)
GB (2) GB327719A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572134A (en) * 1946-06-10 1951-10-23 Gliwa Michael Airplane rudder

Also Published As

Publication number Publication date
GB327719A (en) 1930-04-04
GB332430A (en) 1930-07-24
FR37356E (en) 1930-12-29

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