WO2015142472A8 - Tractor mode marine propulsion - Google Patents

Tractor mode marine propulsion Download PDF

Info

Publication number
WO2015142472A8
WO2015142472A8 PCT/US2015/016771 US2015016771W WO2015142472A8 WO 2015142472 A8 WO2015142472 A8 WO 2015142472A8 US 2015016771 W US2015016771 W US 2015016771W WO 2015142472 A8 WO2015142472 A8 WO 2015142472A8
Authority
WO
WIPO (PCT)
Prior art keywords
propeller
marine vessel
marine propulsion
tractor mode
bow
Prior art date
Application number
PCT/US2015/016771
Other languages
French (fr)
Other versions
WO2015142472A1 (en
Inventor
Philip Rolla
Original Assignee
Twin Disc, Inc.
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 Twin Disc, Inc. filed Critical Twin Disc, Inc.
Publication of WO2015142472A1 publication Critical patent/WO2015142472A1/en
Publication of WO2015142472A8 publication Critical patent/WO2015142472A8/en

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
    • B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B2001/325—Interceptors, i.e. elongate blade-like members projecting from a surface into the fluid flow substantially perpendicular to the flow direction, and by a small amount compared to its own length
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Soil Working Implements (AREA)

Abstract

A drive for a marine vessel may include a fully wetted propeller with a fixed drive shaft configuring the propeller in a tractor mode wherein the propeller pulls the water rearwardly relative to a bow of the marine vessel when traveling in a forward direction. The propeller is preferably mounted in a range of 10% to 60% of a length of the marine vessel toward the bow from a transom and operates cavitation-free.
PCT/US2015/016771 2014-03-19 2015-02-20 Tractor mode marine propulsion WO2015142472A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/219,711 US20150266554A1 (en) 2014-03-19 2014-03-19 Tractor Mode Marine Propulsion
US14/219,711 2014-03-19

Publications (2)

Publication Number Publication Date
WO2015142472A1 WO2015142472A1 (en) 2015-09-24
WO2015142472A8 true WO2015142472A8 (en) 2016-03-17

Family

ID=54141354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/016771 WO2015142472A1 (en) 2014-03-19 2015-02-20 Tractor mode marine propulsion

Country Status (2)

Country Link
US (1) US20150266554A1 (en)
WO (1) WO2015142472A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10501149B1 (en) * 2017-06-21 2019-12-10 Danny R. Hall Draft adjustable watercraft

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU477894A1 (en) * 1972-04-15 1975-07-25 Предприятие П/Я Р-6397 Speed vessel
USRE28209E (en) * 1972-09-05 1974-10-22 Marine propulsion device with acute angle drive
FI97349C (en) * 1994-03-14 1996-12-10 Aquamaster Rauma Ltd Towing arrangement for a tug
US7305928B2 (en) * 2005-10-12 2007-12-11 Brunswick Corporation Method for positioning a marine vessel
FI122324B (en) * 2007-07-06 2011-11-30 Aker Arctic Technology Oy Process for improving the ice breaking properties and watercraft of a watercraft produced by the method

Also Published As

Publication number Publication date
WO2015142472A1 (en) 2015-09-24
US20150266554A1 (en) 2015-09-24

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