GB190614012A - Improved Means for Steering, Ventilating, Reducing Resistance to Propulsion of and Smoke Discharging in Ships. - Google Patents

Improved Means for Steering, Ventilating, Reducing Resistance to Propulsion of and Smoke Discharging in Ships.

Info

Publication number
GB190614012A
GB190614012A GB190614012DA GB190614012A GB 190614012 A GB190614012 A GB 190614012A GB 190614012D A GB190614012D A GB 190614012DA GB 190614012 A GB190614012 A GB 190614012A
Authority
GB
United Kingdom
Prior art keywords
ship
stern
air
pipes
openings
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
Inventor
John Liddle
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 GB190614012A publication Critical patent/GB190614012A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Cookers (AREA)

Abstract

14,012. Liddle, J., [Wittmann-Strassmann Co.]. June 19. Ventilating ships.-Relates to means for reducing the resistance to propulsion and for steering ships by conducting air or gas to the stern of the ship below the water line so as to overcome retarding suctional effects. Pipes are led from the air or part of the vessel, such as the stokehold or funnel, to rearwardly-directed cups or openings. To steer the vessel, one side only of the apparatus is in operation, the communication on the other being closed by valves &c. The ship is provided with a vertical series of openings 9, Figs. 1, 2, and 3, through the hull at the stern, and metal strips 10 of zigzag shape are secured along each vertical series of holes and covered by plates 11, thus forming cup-like mouths to the openings 9. Air chambers 12 enclose the openings and are connected by pipes 14, provided with valves 13, with various parts of the ship. The suction at the stern draws air or gas through these pipes and the vents 9, and the air or gas reduces the suctional effect and then passes upwardly around the stern and reduces skin friction. By closing the pipes 14 on one side of the ship, steering effects are produced. When the ship goes astern, the valves 13 prevent the reflux of water. In the form shown in Fig. 5, the pipe 25 takes the place of the chamber 12. Fig. 4 shows a modification 9' of the holes 9.
GB190614012D 1906-06-19 1906-06-19 Improved Means for Steering, Ventilating, Reducing Resistance to Propulsion of and Smoke Discharging in Ships. Expired GB190614012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190614012T 1906-06-19

Publications (1)

Publication Number Publication Date
GB190614012A true GB190614012A (en) 1907-06-19

Family

ID=32204864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190614012D Expired GB190614012A (en) 1906-06-19 1906-06-19 Improved Means for Steering, Ventilating, Reducing Resistance to Propulsion of and Smoke Discharging in Ships.

Country Status (1)

Country Link
GB (1) GB190614012A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446860A (en) * 1945-06-29 1948-08-10 Milton A Wallace Boat
US2663276A (en) * 1951-12-27 1953-12-22 Albert F Ouellet Ship construction for reducing drag
US3690283A (en) * 1970-10-07 1972-09-12 Joseph Harbit Pool Methods of and apparatus for reducing resistance to the hull of a vessel
CN110306517A (en) * 2019-07-12 2019-10-08 长江勘测规划设计研究有限责任公司 Ship lift ship lift fume extractor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446860A (en) * 1945-06-29 1948-08-10 Milton A Wallace Boat
US2663276A (en) * 1951-12-27 1953-12-22 Albert F Ouellet Ship construction for reducing drag
US3690283A (en) * 1970-10-07 1972-09-12 Joseph Harbit Pool Methods of and apparatus for reducing resistance to the hull of a vessel
CN110306517A (en) * 2019-07-12 2019-10-08 长江勘测规划设计研究有限责任公司 Ship lift ship lift fume extractor

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