IT212307Z2 - Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello - Google Patents

Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello

Info

Publication number
IT212307Z2
IT212307Z2 IT8753490U IT5349087U IT212307Z2 IT 212307 Z2 IT212307 Z2 IT 212307Z2 IT 8753490 U IT8753490 U IT 8753490U IT 5349087 U IT5349087 U IT 5349087U IT 212307 Z2 IT212307 Z2 IT 212307Z2
Authority
IT
Italy
Prior art keywords
propulsor
cape
counter
rotating propeller
boats equipped
Prior art date
Application number
IT8753490U
Other languages
English (en)
Other versions
IT8753490V0 (it
Original Assignee
Akzo Srl
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 Akzo Srl filed Critical Akzo Srl
Priority to IT8753490U priority Critical patent/IT212307Z2/it
Publication of IT8753490V0 publication Critical patent/IT8753490V0/it
Priority to EP88830276A priority patent/EP0298053A1/en
Priority to US07/214,061 priority patent/US4832570A/en
Application granted granted Critical
Publication of IT212307Z2 publication Critical patent/IT212307Z2/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
IT8753490U 1987-07-01 1987-07-01 Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello IT212307Z2 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT8753490U IT212307Z2 (it) 1987-07-01 1987-07-01 Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello
EP88830276A EP0298053A1 (en) 1987-07-01 1988-06-28 Propulsor for boats having counterrotating propellers with nozzle
US07/214,061 US4832570A (en) 1987-07-01 1988-07-01 Boat propeller having counter-rotating screws and provided with a nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8753490U IT212307Z2 (it) 1987-07-01 1987-07-01 Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello

Publications (2)

Publication Number Publication Date
IT8753490V0 IT8753490V0 (it) 1987-07-01
IT212307Z2 true IT212307Z2 (it) 1989-07-04

Family

ID=11283162

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8753490U IT212307Z2 (it) 1987-07-01 1987-07-01 Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello

Country Status (3)

Country Link
US (1) US4832570A (it)
EP (1) EP0298053A1 (it)
IT (1) IT212307Z2 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751327B2 (ja) * 1990-11-22 1995-06-05 東洋化学株式会社 内面平滑コルゲート管の製造装置
US5653189A (en) * 1991-12-20 1997-08-05 Dynafoils, Inc. Hydrofoil craft
US5311832A (en) * 1991-12-20 1994-05-17 Dynafoils, Inc. Advanced marine vehicles for operation at high speeds in or above rough water
ATE245106T1 (de) * 1992-10-13 2003-08-15 Richard Gwyn Davies Wasserstrahleinheit für bootsantrieb
WO1994020362A1 (en) * 1993-03-02 1994-09-15 Lennart Brandt Propulsion arrangement for a marine vessel
US5514014A (en) * 1993-10-04 1996-05-07 Sanshin Kogyo Kabushiki Kaisha Outboard drive transmission
JP3539573B2 (ja) * 1993-10-29 2004-07-07 ヤマハマリン株式会社 船舶推進装置
US5556312A (en) * 1993-11-29 1996-09-17 Sanshin Kogyo Kabushiki Kaisha Bearing arrangement for marine transmission
US5697821A (en) * 1993-11-29 1997-12-16 Sanshin Kogyo Kabushiki Kaisha Bearing carrier for outboard drive
US5597334A (en) * 1993-11-29 1997-01-28 Sanshin Kogyo Kabushiki Kaisha Outboard drive transmission system
US5556313A (en) * 1993-11-29 1996-09-17 Sanshin Kogyo Kabushiki Kaisha Outboard drive transmission
JP3470140B2 (ja) * 1993-11-29 2003-11-25 ヤマハマリン株式会社 船舶推進装置
JP3479941B2 (ja) * 1993-11-30 2003-12-15 ヤマハマリン株式会社 船舶推進装置
JP3413440B2 (ja) * 1994-05-31 2003-06-03 ヤマハマリン株式会社 船舶推進装置
JP3424020B2 (ja) * 1994-05-31 2003-07-07 ヤマハマリン株式会社 船舶推進装置
JP3541082B2 (ja) * 1995-06-05 2004-07-07 ヤマハマリン株式会社 船舶推進装置
US6190218B1 (en) 1999-09-27 2001-02-20 Outboard Marine Corporation Pump jet with redirected exhaust gas through stator vane for drag reduction
US6168485B1 (en) * 1999-10-15 2001-01-02 Outboard Marine Corporation Pump jet with double-walled stator housing for exhaust noise reduction
US6273768B1 (en) 2000-04-07 2001-08-14 Bombardier Motor Corporation Of America Water jet propulsion unit with counter-rotating impellers
WO2023273547A1 (zh) * 2021-06-30 2023-01-05 刘志刚 一种螺旋桨动力装置及船舶

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL63947C (it) *
DE748218C (de) * 1940-04-27 1944-10-30 Ludwig Kort Dipl Ing Lenzvorrichtung fuer Schiffe
DE941048C (de) * 1941-12-28 1956-03-29 Josef Neukamm Leitduese fuer Schiffe mit Schraubenantrieb
FR899118A (fr) * 1943-06-23 1945-05-22 Système de commande de propulsion pour navires et autres applications
DE883255C (de) * 1950-02-07 1953-07-16 Erich Grundt Ummantelung fuer Schraubenpropeller
US2672115A (en) * 1951-04-28 1954-03-16 Outboard Marine & Mfg Co Dual propeller propulsion device
US3112610A (en) * 1961-02-27 1963-12-03 Joseph J Jerger Constant pressure shrouded propeller
US3109495A (en) * 1962-12-18 1963-11-05 Thomas G Laug Base ventilated hydrofoil
US3499412A (en) * 1968-02-08 1970-03-10 Dravo Corp Kort nozzle
US3772886A (en) * 1970-07-01 1973-11-20 D Cameron Apparatus for water jet propulsion
NO132423C (it) * 1973-12-04 1975-11-12 Norges Skipsforsknings Inst
US4304558A (en) * 1979-06-28 1981-12-08 Outboard Marine Corporation Marine propulsion device including propeller shroud
US4324985A (en) * 1980-07-09 1982-04-13 Grumman Aerospace Corp. Portable wind turbine for charging batteries
SE433599B (sv) * 1981-03-05 1984-06-04 Volvo Penta Ab Dubbelpropellerdrev for batar
US4422820A (en) * 1982-09-29 1983-12-27 Grumman Aerospace Corporation Spoiler for fluid turbine diffuser
US4637801A (en) * 1984-07-12 1987-01-20 William H. Flood Thrust enhancing propeller duct assembly for water craft
FI79991C (fi) * 1986-04-29 1990-04-10 Hollming Oy Propelleranordning foer ett fartyg.

Also Published As

Publication number Publication date
US4832570A (en) 1989-05-23
EP0298053A1 (en) 1989-01-04
IT8753490V0 (it) 1987-07-01

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