AU8644791A - Improvements in or relating to drive units for watercraft - Google Patents

Improvements in or relating to drive units for watercraft

Info

Publication number
AU8644791A
AU8644791A AU86447/91A AU8644791A AU8644791A AU 8644791 A AU8644791 A AU 8644791A AU 86447/91 A AU86447/91 A AU 86447/91A AU 8644791 A AU8644791 A AU 8644791A AU 8644791 A AU8644791 A AU 8644791A
Authority
AU
Australia
Prior art keywords
watercraft
relating
drive units
units
drive
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.)
Abandoned
Application number
AU86447/91A
Inventor
Renato Levi
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.)
RENATO LEVI Ltd
Original Assignee
LEVI RENATO Ltd
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 LEVI RENATO Ltd filed Critical LEVI RENATO Ltd
Publication of AU8644791A publication Critical patent/AU8644791A/en
Abandoned 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
    • B63H1/26—Blades
    • 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
    • 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
    • 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
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B63H2001/185—Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution
    • 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
    • B63H2025/387—Rudders comprising two or more rigidly interconnected mutually spaced blades pivotable about a common rudder shaft, e.g. parallel twin blades mounted on a pivotable supporting frame
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
AU86447/91A 1990-10-03 1991-10-03 Improvements in or relating to drive units for watercraft Abandoned AU8644791A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9021483 1990-10-03
GB9021483A GB2248433A (en) 1990-10-03 1990-10-03 Surface propeller located aft of transom by distance in the range 35% to 80% of propeller diameter

Publications (1)

Publication Number Publication Date
AU8644791A true AU8644791A (en) 1992-04-28

Family

ID=10683156

Family Applications (1)

Application Number Title Priority Date Filing Date
AU86447/91A Abandoned AU8644791A (en) 1990-10-03 1991-10-03 Improvements in or relating to drive units for watercraft

Country Status (3)

Country Link
AU (1) AU8644791A (en)
GB (1) GB2248433A (en)
WO (1) WO1992006000A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437924A1 (en) * 1994-10-24 1996-04-25 Buechler Dirk Watercraft equipped with surface drive
GB9802570D0 (en) * 1998-02-07 1998-04-01 Duncan Ian J Propulsion system
DE19856305A1 (en) * 1998-12-07 2000-06-08 Dirk Buechler Ship propulsion
ITMI20031541A1 (en) * 2003-07-28 2005-01-29 Zf Trimax S R L SUPERCAVITANT PROPELLER WITH ADJUSTABLE CUP, AND RELATIVE
EP1780117A1 (en) 2005-10-07 2007-05-02 Flexitab S.r.l. Marine drive system with partially submerged propeller
EP1803643A1 (en) 2005-12-30 2007-07-04 Flexitab S.r.l. Semi-submerged propeller propulsion system of displacement and semi-diplacement crafts
US7270583B1 (en) * 2006-07-10 2007-09-18 Solas Science & Engineering Co., Ltd High efficiency watercraft propulsion system
EP1972543A1 (en) 2007-03-23 2008-09-24 Flexitab S.r.l. Partially submerged propeller drive system
US8696318B2 (en) * 2010-03-05 2014-04-15 Twin Disc, Inc. Stepped surface propeller

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191105064A (en) * 1911-02-28 1912-02-15 William Albert Hickman Improvements in Boats and Boat Propulsion.
GB122427A (en) * 1917-02-03 1919-01-30 Esercizio Bacini Soc Improvements in Propellers.
GB211927A (en) * 1922-11-23 1924-02-25 Thornycroft John I & Co Ltd Improvements in or relating to screw propelled navigable vessels
GB233191A (en) * 1924-07-01 1925-05-07 Friedrich Gebers Improvements in and relating to the arrangement and disposition of ships' screw propellers
DE1113386B (en) * 1960-06-18 1961-08-31 Zeise Theodor Fa Fully cavitating profile, especially for ship propellers
US3938463A (en) * 1973-05-04 1976-02-17 The United States Of America As Represented By The Secretary Of The Navy Inclined raked partially submerged propellers
SE391690B (en) * 1975-06-17 1977-02-28 Karlstad Mekaniska Ab VESSEL PROPELLER BLADE OF SUPERCAVITATING TYPE
GB2033324A (en) * 1978-11-10 1980-05-21 Levi R Improvements in or relating to drive units for water craft
US4265626A (en) * 1979-03-08 1981-05-05 Perry John C Trimming device to control propeller forces affecting propeller driven boats
IT1185428B (en) * 1985-10-11 1987-11-12 Rover Marine Srl COMBINED TRANSMISSION, PROPULSION AND ORIENTATION STRUCTURE, FOR MOTORBOATS WITH INBOARD MOTOR
US4854903A (en) * 1987-12-17 1989-08-08 Copeland-Sirois Enterprises, Inc. Parallel thrust propulsion system

Also Published As

Publication number Publication date
WO1992006000A1 (en) 1992-04-16
GB9021483D0 (en) 1990-11-14
GB2248433A (en) 1992-04-08

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