GB2344331B - A marine propulsion unit and a boat having a marine propulsion unit - Google Patents

A marine propulsion unit and a boat having a marine propulsion unit

Info

Publication number
GB2344331B
GB2344331B GB9826562A GB9826562A GB2344331B GB 2344331 B GB2344331 B GB 2344331B GB 9826562 A GB9826562 A GB 9826562A GB 9826562 A GB9826562 A GB 9826562A GB 2344331 B GB2344331 B GB 2344331B
Authority
GB
United Kingdom
Prior art keywords
propulsion unit
marine propulsion
boat
marine
unit
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 - Fee Related
Application number
GB9826562A
Other versions
GB9826562D0 (en
GB2344331A (en
Inventor
Robert Duncan Glen
Michael Burnham
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.)
HALMATIC Ltd
Barrus EP Ltd
EP Barrus Ltd
Original Assignee
HALMATIC Ltd
Barrus EP Ltd
EP Barrus 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 HALMATIC Ltd, Barrus EP Ltd, EP Barrus Ltd filed Critical HALMATIC Ltd
Priority to GB9826562A priority Critical patent/GB2344331B/en
Publication of GB9826562D0 publication Critical patent/GB9826562D0/en
Priority to AU15767/00A priority patent/AU1576700A/en
Priority to PCT/GB1999/004091 priority patent/WO2000034118A1/en
Publication of GB2344331A publication Critical patent/GB2344331A/en
Application granted granted Critical
Publication of GB2344331B publication Critical patent/GB2344331B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B63H1/15—Propellers having vibration damping means
    • 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
    • B63H1/28—Other means for improving propeller efficiency
    • B63H2001/286—Injection of gas into fluid flow to propellers, or around propeller blades

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
GB9826562A 1998-12-04 1998-12-04 A marine propulsion unit and a boat having a marine propulsion unit Expired - Fee Related GB2344331B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9826562A GB2344331B (en) 1998-12-04 1998-12-04 A marine propulsion unit and a boat having a marine propulsion unit
AU15767/00A AU1576700A (en) 1998-12-04 1999-12-06 A marine propulsion unit and a boat having a marine propulsion unit
PCT/GB1999/004091 WO2000034118A1 (en) 1998-12-04 1999-12-06 A marine propulsion unit and a boat having a marine propulsion unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9826562A GB2344331B (en) 1998-12-04 1998-12-04 A marine propulsion unit and a boat having a marine propulsion unit

Publications (3)

Publication Number Publication Date
GB9826562D0 GB9826562D0 (en) 1999-01-27
GB2344331A GB2344331A (en) 2000-06-07
GB2344331B true GB2344331B (en) 2002-07-17

Family

ID=10843557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9826562A Expired - Fee Related GB2344331B (en) 1998-12-04 1998-12-04 A marine propulsion unit and a boat having a marine propulsion unit

Country Status (1)

Country Link
GB (1) GB2344331B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002224315A1 (en) * 2000-11-08 2002-05-21 Fikret Dulger Stern unit for marine craft
GB2489521B (en) 2011-04-01 2013-05-08 Rolls Royce Plc A water jet propulsion device having fluid injection nozzles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135469A (en) * 1973-01-19 1979-01-23 Oy Wartsila Ab Method for reducing propeller noise
EP0375403A1 (en) * 1988-12-22 1990-06-27 Vosper Thornycroft (Uk) Ltd. Apparatus for reducing propeller cavitation erosion
US4941423A (en) * 1986-06-16 1990-07-17 Ocean Tech Marine, Inc. Marine propulsion system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135469A (en) * 1973-01-19 1979-01-23 Oy Wartsila Ab Method for reducing propeller noise
US4941423A (en) * 1986-06-16 1990-07-17 Ocean Tech Marine, Inc. Marine propulsion system
US5957078A (en) * 1986-06-16 1999-09-28 Ocean Tech Marine, Inc. Marine propulsion system
EP0375403A1 (en) * 1988-12-22 1990-06-27 Vosper Thornycroft (Uk) Ltd. Apparatus for reducing propeller cavitation erosion

Also Published As

Publication number Publication date
GB9826562D0 (en) 1999-01-27
GB2344331A (en) 2000-06-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091204