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GB762445A - Device for improving the propelling and manceuvrability of screw-propelled vessels - Google Patents

Device for improving the propelling and manceuvrability of screw-propelled vessels

Info

Publication number
GB762445A
GB762445A GB33340/54A GB3334054A GB762445A GB 762445 A GB762445 A GB 762445A GB 33340/54 A GB33340/54 A GB 33340/54A GB 3334054 A GB3334054 A GB 3334054A GB 762445 A GB762445 A GB 762445A
Authority
GB
United Kingdom
Prior art keywords
propeller
rudder
screw
propelling
improving
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
Application number
GB33340/54A
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.)
ERICH RICHARD FRIEDRICH MAIER
Original Assignee
ERICH RICHARD FRIEDRICH MAIER
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 ERICH RICHARD FRIEDRICH MAIER filed Critical ERICH RICHARD FRIEDRICH MAIER
Publication of GB762445A publication Critical patent/GB762445A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)

Abstract

762,445. Screw propellers ; steering ships. COSTA, L., and MAIER, E. R. F. Nov.17, 1954 [May 5, 1954], No. 33340/54. Class 114. In a device for improving the propelling and manoeuvrability of screw-propelled vessels including a bulb or like shaped member 12 arranged in the extension of the propeller axis behind the propeller Sch<SP>1</SP>, the member 12 has a smaller diameter than the propeller and is carried by a support positioned behind the propeller in such a manner that the greatest diameter of the member lies approximately in the plane 28 of the leading edge of the support whereas the front end of the freely protruding head BK<SP>1</SP> of the member overlaps the hub N<SP>1</SP> and extends closely up to the trailing edge of the propeller blades. In the embodiment of Figs. 1 and 1a the member 12 is attached by projections 24, 26 to the rudder post Rst<SP>1</SP>, the rear end Bs<SP>1</SP> of the member being attached to, and participating in the movement of, the rudder R<SP>1</SP>. The head BK<SP>1</SP> of the member has a recess M<SP>1</SP> for the cap K<SP>1</SP> of the hub N<SP>1</SP>. In other embodiments the member 12 is supported entirely on the rudder post, or entirely on the rudder, or on an arm forward of the rudder.
GB33340/54A 1954-05-05 1954-11-17 Device for improving the propelling and manceuvrability of screw-propelled vessels Expired GB762445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE762445X 1954-05-05

Publications (1)

Publication Number Publication Date
GB762445A true GB762445A (en) 1956-11-28

Family

ID=6668027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33340/54A Expired GB762445A (en) 1954-05-05 1954-11-17 Device for improving the propelling and manceuvrability of screw-propelled vessels

Country Status (1)

Country Link
GB (1) GB762445A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245125A1 (en) * 1981-12-08 1983-11-24 Kawasaki Jukogyo K.K., Kobe, Hyogo CONDUCTOR FASTENED ON A RUDDER
WO1997011878A1 (en) * 1995-09-29 1997-04-03 Wärtsilä Nsd Norway As Propulsion and steering unit for a vessel
WO2006112787A1 (en) 2005-04-20 2006-10-26 Rolls-Royce Aktiebolag A propulsion and steering arrangement for a ship
EP2163471A1 (en) 2008-09-12 2010-03-17 Wärtsilä Netherlands B.V. Propulsion and steering arrangement
EP2163472A1 (en) 2008-09-12 2010-03-17 Wärtsilä Netherlands B.V. Propulsion and steering arrangement
WO2011025444A1 (en) * 2009-08-27 2011-03-03 Rolls-Royce Aktiebolag Rudder device
WO2011144239A1 (en) * 2010-05-19 2011-11-24 Wärtsilä Finland Oy Rotational energy recovery appendage

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245125A1 (en) * 1981-12-08 1983-11-24 Kawasaki Jukogyo K.K., Kobe, Hyogo CONDUCTOR FASTENED ON A RUDDER
WO1997011878A1 (en) * 1995-09-29 1997-04-03 Wärtsilä Nsd Norway As Propulsion and steering unit for a vessel
WO2006112787A1 (en) 2005-04-20 2006-10-26 Rolls-Royce Aktiebolag A propulsion and steering arrangement for a ship
US7661379B2 (en) 2005-04-20 2010-02-16 Rolls-Royce Aktiebolag Propulsion and steering arrangement for a ship
EP2163471A1 (en) 2008-09-12 2010-03-17 Wärtsilä Netherlands B.V. Propulsion and steering arrangement
EP2163472A1 (en) 2008-09-12 2010-03-17 Wärtsilä Netherlands B.V. Propulsion and steering arrangement
JP2010064739A (en) * 2008-09-12 2010-03-25 Waertsilae Propulsion Netherlands Bv Propulsion and steering arrangement
CN101898630A (en) * 2008-09-12 2010-12-01 瓦锡兰荷兰公司 Propulsion and steering arrangement
WO2011025444A1 (en) * 2009-08-27 2011-03-03 Rolls-Royce Aktiebolag Rudder device
CN102625763A (en) * 2009-08-27 2012-08-01 罗尔斯-罗伊斯股份公司 Rudder device
WO2011144239A1 (en) * 2010-05-19 2011-11-24 Wärtsilä Finland Oy Rotational energy recovery appendage

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