GB1396095A - Marine craft - Google Patents

Marine craft

Info

Publication number
GB1396095A
GB1396095A GB201574A GB201574A GB1396095A GB 1396095 A GB1396095 A GB 1396095A GB 201574 A GB201574 A GB 201574A GB 201574 A GB201574 A GB 201574A GB 1396095 A GB1396095 A GB 1396095A
Authority
GB
United Kingdom
Prior art keywords
hull
track
buoyant
sections
craft
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
GB201574A
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
Priority to GB201574A priority Critical patent/GB1396095A/en
Publication of GB1396095A publication Critical patent/GB1396095A/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
    • B63B1/36—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using mechanical 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
    • B63H1/30—Propulsive elements directly acting on water of non-rotary type
    • B63H1/34—Propulsive elements directly acting on water of non-rotary type of endless-track type
    • 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
    • B63H1/30—Propulsive elements directly acting on water of non-rotary type
    • B63H1/34—Propulsive elements directly acting on water of non-rotary type of endless-track type
    • B63H2001/342—Propulsive elements directly acting on water of non-rotary type of endless-track type with tracks substantially parallel to propulsive direction
    • B63H2001/344—Propulsive elements directly acting on water of non-rotary type of endless-track type with tracks substantially parallel to propulsive direction having paddles mounted in fixed relation to tracks, or to track members
    • 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)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Abstract

1396095 Marine propulsion LO KAM CHU 16 Jan 1974 02015/74 Heading B7V A marine craft comprises a hull 9 enclosing a forward passenger or freight section 11 and a rear engine section 13, the hull being surrounded by a single buoyant endless track 14 which runs over the top of the hull underneath a hood 15 and back beneath the hull 9, the lower run of the track providing sufficient buoyancy to hull the craft out of the water and the track 14 being driven round the hull by engine driven pinions 34 engaging racks 33 formed in the track, on both the top and bottom runs of the track 14. The track is composed of a number of rigid transverse elements 23 (one of which is shown in Fig. 5) the elements being interconnected by transverse pivot pins. Each element comprises a centre buoyant section 24 and two end buoyant sections 25 interconnected by members 26. The buoyant sections include tanks having walls of metal or plastics material preferably filled with an expanded plastics material. The members 26 include sections of the driving racks 33 and rollers 28 which run on rails 29 on the hull 9. Plates 27 at each end of each element 23 carry rollers 30 running on flange guide rails 31 on the hull 9 to limit separation of the track 14 and the hull. The plates 27 of adjacent elements 23 overlap to reduce friction when the craft is under way. The gaps formed between adjacent elements 23 when passing round the bow and stern of the hull 9 is maintained closed to prevent ingress of rubbish by plates projecting from one element underlapping the buoyant sections of the adjacent element 23. A rudder 21 for steering and screw propellers (not shown) for additional propulsion are also provided.
GB201574A 1974-01-16 1974-01-16 Marine craft Expired GB1396095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201574A GB1396095A (en) 1974-01-16 1974-01-16 Marine craft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201574A GB1396095A (en) 1974-01-16 1974-01-16 Marine craft

Publications (1)

Publication Number Publication Date
GB1396095A true GB1396095A (en) 1975-05-29

Family

ID=9732099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201574A Expired GB1396095A (en) 1974-01-16 1974-01-16 Marine craft

Country Status (1)

Country Link
GB (1) GB1396095A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128154A (en) * 1982-09-24 1984-04-26 Manuel Munoz Saiz Reducing resistance to the advance of a nautical vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128154A (en) * 1982-09-24 1984-04-26 Manuel Munoz Saiz Reducing resistance to the advance of a nautical vessel

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Legal Events

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