ES295802U - Rotary spiral-screw floats for nautical craft or the like. - Google Patents

Rotary spiral-screw floats for nautical craft or the like.

Info

Publication number
ES295802U
ES295802U ES1985295802U ES295802U ES295802U ES 295802 U ES295802 U ES 295802U ES 1985295802 U ES1985295802 U ES 1985295802U ES 295802 U ES295802 U ES 295802U ES 295802 U ES295802 U ES 295802U
Authority
ES
Spain
Prior art keywords
rotary spiral
spiral
nautical craft
screw
screw floats
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.)
Granted
Application number
ES1985295802U
Other languages
Spanish (es)
Other versions
ES295802Y (en
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
Publication of ES295802U publication Critical patent/ES295802U/en
Application granted granted Critical
Publication of ES295802Y publication Critical patent/ES295802Y/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
    • 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
    • B63H1/38—Propulsive elements directly acting on water characterised solely by flotation properties, e.g. drums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The spiral-screw float according to the invention has a general shape which is inscribed within a cylinder provided with at least one recessed groove (1) extending over all or part of the float in a spiral, and having a front portion (2), a central portion (3) and a rear portion (4), and is essentially characterised in that the front portion (2) is equal to the length of the pitch of the groove or grooves (1), divided by the number of grooves.
ES1985295802U 1984-03-13 1985-03-13 ROTARY FLOAT FOR NAUTICAL AND SIMILAR MACHINES. Expired ES295802Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8403968A FR2561202A1 (en) 1984-03-13 1984-03-13 IMPROVEMENTS IN ROTARY HELICOID FLOATS FOR NAUTICAL OR OTHER GEARBOATS

Publications (2)

Publication Number Publication Date
ES295802U true ES295802U (en) 1987-06-16
ES295802Y ES295802Y (en) 1987-12-16

Family

ID=9302051

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1985295802U Expired ES295802Y (en) 1984-03-13 1985-03-13 ROTARY FLOAT FOR NAUTICAL AND SIMILAR MACHINES.

Country Status (3)

Country Link
EP (1) EP0161198A1 (en)
ES (1) ES295802Y (en)
FR (1) FR2561202A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2473447C2 (en) * 2011-02-25 2013-01-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Screw propulsor
RU2472664C2 (en) * 2011-03-11 2013-01-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Conical propulsor
RU2472663C2 (en) * 2011-03-30 2013-01-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Drive propulsor
RU2470827C1 (en) * 2011-04-04 2012-12-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Direct-flow propulsor
RU2482000C2 (en) * 2011-04-04 2013-05-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Screw propulsor
NO337409B1 (en) * 2014-11-19 2016-04-11 Ivan Nilsen Hull for a vessel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR85615E (en) * 1964-04-09 1965-09-17 Propeller device simultaneously ensuring the movements and buoyancy of nautical vehicles
FR2034240B1 (en) * 1969-02-27 1975-08-01 Justinien Marcel
FR2229604B1 (en) * 1973-05-18 1976-05-07 Justinien Marcel

Also Published As

Publication number Publication date
ES295802Y (en) 1987-12-16
EP0161198A1 (en) 1985-11-13
FR2561202A1 (en) 1985-09-20

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 20001102