GB2295805B - Counter-rotating surfacing marine drive with reduced drag water line - Google Patents

Counter-rotating surfacing marine drive with reduced drag water line

Info

Publication number
GB2295805B
GB2295805B GB9604560A GB9604560A GB2295805B GB 2295805 B GB2295805 B GB 2295805B GB 9604560 A GB9604560 A GB 9604560A GB 9604560 A GB9604560 A GB 9604560A GB 2295805 B GB2295805 B GB 2295805B
Authority
GB
United Kingdom
Prior art keywords
counter
water line
marine drive
reduced drag
drag water
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
GB9604560A
Other versions
GB2295805A (en
GB9604560D0 (en
Inventor
Jr Charles F Alexander
Daniel F Mccormick
Gary L Meisenburg
Phillip D Magee
Edward C Eick
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.)
Brunswick Corp
Original Assignee
Brunswick Corp
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 Brunswick Corp filed Critical Brunswick Corp
Priority claimed from GB9412860A external-priority patent/GB2279308B/en
Publication of GB9604560D0 publication Critical patent/GB9604560D0/en
Publication of GB2295805A publication Critical patent/GB2295805A/en
Application granted granted Critical
Publication of GB2295805B publication Critical patent/GB2295805B/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
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/10—Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit; Control of trim or tilt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/14—Transmission between propulsion power unit and propulsion element
    • B63H20/22—Transmission between propulsion power unit and propulsion element allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive, e.g. using universal joints
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/001—Arrangements, apparatus and methods for handling fluids used in outboard drives
    • B63H20/002—Arrangements, apparatus and methods for handling fluids used in outboard drives for handling lubrication liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/24—Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g. exhaust gas outlets
    • B63H20/26—Exhaust gas outlets passing through the propeller or its hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/28—Arrangements, apparatus and methods for handling cooling-water in outboard drives, e.g. cooling-water intakes
    • B63H20/285—Cooling-water intakes
    • 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
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H2020/005—Arrangements of two or more propellers, or the like on single outboard propulsion units
    • B63H2020/006—Arrangements of two or more propellers, or the like on single outboard propulsion units 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)
  • Sliding-Contact Bearings (AREA)
GB9604560A 1993-06-25 1994-06-27 Counter-rotating surfacing marine drive with reduced drag water line Expired - Fee Related GB2295805B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8370393A 1993-06-25 1993-06-25
GB9412860A GB2279308B (en) 1993-06-25 1994-06-27 Counter-rotating surfacing marine drive with reduced drag water line

Publications (3)

Publication Number Publication Date
GB9604560D0 GB9604560D0 (en) 1996-05-01
GB2295805A GB2295805A (en) 1996-06-12
GB2295805B true GB2295805B (en) 1997-02-19

Family

ID=26305141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604560A Expired - Fee Related GB2295805B (en) 1993-06-25 1994-06-27 Counter-rotating surfacing marine drive with reduced drag water line

Country Status (1)

Country Link
GB (1) GB2295805B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871334A (en) * 1988-08-04 1989-10-03 Brunswick Corporation Marine propulsion device with improved exhaust discharge
GB2267264A (en) * 1992-05-27 1993-12-01 Brunswick Corp Counter-rotating surfacing marine drive
GB2267686A (en) * 1992-05-27 1993-12-15 Brunswick Corp Dual propeller marine drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871334A (en) * 1988-08-04 1989-10-03 Brunswick Corporation Marine propulsion device with improved exhaust discharge
GB2267264A (en) * 1992-05-27 1993-12-01 Brunswick Corp Counter-rotating surfacing marine drive
GB2267686A (en) * 1992-05-27 1993-12-15 Brunswick Corp Dual propeller marine drive

Also Published As

Publication number Publication date
GB2295805A (en) 1996-06-12
GB9604560D0 (en) 1996-05-01

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Legal Events

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

Effective date: 19980627