DE68909083D1 - Vorrichtung mit Kavitation für Propeller von Gleit- oder Halbgleitbooten. - Google Patents

Vorrichtung mit Kavitation für Propeller von Gleit- oder Halbgleitbooten.

Info

Publication number
DE68909083D1
DE68909083D1 DE89105823T DE68909083T DE68909083D1 DE 68909083 D1 DE68909083 D1 DE 68909083D1 DE 89105823 T DE89105823 T DE 89105823T DE 68909083 T DE68909083 T DE 68909083T DE 68909083 D1 DE68909083 D1 DE 68909083D1
Authority
DE
Germany
Prior art keywords
gliding
propellers
semi
boats
cavitation device
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 - Lifetime
Application number
DE89105823T
Other languages
English (en)
Inventor
Fabio Buzzi
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
Application granted granted Critical
Publication of DE68909083D1 publication Critical patent/DE68909083D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

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)
  • Vibration Prevention Devices (AREA)
  • Hydraulic Turbines (AREA)
  • Surgical Instruments (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
DE89105823T 1988-04-05 1989-04-03 Vorrichtung mit Kavitation für Propeller von Gleit- oder Halbgleitbooten. Expired - Lifetime DE68909083D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8820092A IT1216545B (it) 1988-04-05 1988-04-05 Dispositivo ad effetto cavitazionale per eliche di natanti con carena planante o semiplanante.

Publications (1)

Publication Number Publication Date
DE68909083D1 true DE68909083D1 (de) 1993-10-21

Family

ID=11163738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89105823T Expired - Lifetime DE68909083D1 (de) 1988-04-05 1989-04-03 Vorrichtung mit Kavitation für Propeller von Gleit- oder Halbgleitbooten.

Country Status (5)

Country Link
US (1) US5046975A (de)
EP (1) EP0336344B1 (de)
AT (1) ATE94493T1 (de)
DE (1) DE68909083D1 (de)
IT (1) IT1216545B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6045420A (en) * 1999-01-19 2000-04-04 Small; Mark S. Semi-enclosed surfacing propeller driver system including air induction
AU2002211455B2 (en) * 2000-10-12 2006-07-06 Noyes Jr., Evan L Boat propulsion system
GB2381514A (en) * 2001-10-31 2003-05-07 Roderick Douglas Pike Device for controlling the flow of water to a marine propeller
KR20020048365A (ko) * 2002-05-29 2002-06-22 윤충열 선박용 수평 날개 프로펠러
EP1915288B1 (de) * 2005-08-05 2010-10-27 Peter A. Müller Wasserfahrzeugantrieb
US8585450B2 (en) * 2008-11-25 2013-11-19 James P. von Wolske Water flow limiting system for a boat including a water flow limiting plate positioned relative to propeller shaft and propeller of a boat for limiting water flow to the propeller
US8814613B2 (en) 2009-04-01 2014-08-26 Robert A. Morvillo Ventilation control system
WO2013020131A1 (en) * 2011-08-04 2013-02-07 Nicholson Hugh B Aeration system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE650590C (de) * 1937-09-25 Ludwig Kort Dipl Ing Vorrichtung zum gleichmaessigeren Verteilen des Schubes auf den ganzen Propellerkreis
US1470191A (en) * 1921-10-01 1923-10-09 Reid William Ship-propulsion apparatus
US3053489A (en) * 1958-03-07 1962-09-11 Mcculloch Corp Outboard motor tilt-up device
US3434447A (en) * 1968-01-04 1969-03-25 Richard E Christensen Propeller-driven watercraft
US3924556A (en) * 1973-04-09 1975-12-09 Schottel Werft Device for reducing the thrust of steerable propellers
SE377919B (de) * 1973-04-10 1975-08-04 Karlstad Mekaniska Ab
US4383829A (en) * 1979-10-25 1983-05-17 Great Lakes Power Products, Inc. Drive assembly for inboard speedboat

Also Published As

Publication number Publication date
EP0336344A1 (de) 1989-10-11
IT1216545B (it) 1990-03-08
EP0336344B1 (de) 1993-09-15
ATE94493T1 (de) 1993-10-15
IT8820092A0 (it) 1988-04-05
US5046975A (en) 1991-09-10

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Legal Events

Date Code Title Description
8332 No legal effect for de