GR920100376A - Improvements of the wave energy attenuator that reduces the resistance developed during the propulsion of a ship. - Google Patents

Improvements of the wave energy attenuator that reduces the resistance developed during the propulsion of a ship.

Info

Publication number
GR920100376A
GR920100376A GR920100376A GR920100376A GR920100376A GR 920100376 A GR920100376 A GR 920100376A GR 920100376 A GR920100376 A GR 920100376A GR 920100376 A GR920100376 A GR 920100376A GR 920100376 A GR920100376 A GR 920100376A
Authority
GR
Greece
Prior art keywords
ship
propulsion
wave energy
possibility
reduces
Prior art date
Application number
GR920100376A
Other languages
Greek (el)
Inventor
Emmanouil Petromanolakis
Original Assignee
Emmanouil Petromanolakis
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 Emmanouil Petromanolakis filed Critical Emmanouil Petromanolakis
Publication of GR920100376A publication Critical patent/GR920100376A/en

Links

Classifications

    • 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

  • Vibration Prevention Devices (AREA)

Abstract

The invention referring to the hydrodynamic technical field concerns improvements in external ducts placed on the bow of a ship and extending aft resulting in the damping of wave energy during the propulsion of the ship. The improvements refer to placement of a duct and/or legs only under or above and under or up to the water-line of the ship, in their whole or partial hydrodynamic cross-section, with their possibility of being divided in parts longitudinally, with the possibility of addition of ledges for flow levelling and with the possibility of hydrodynamic cross-section or not of the supports of the duct where they are found inside the flow.
GR920100376A 1992-09-02 1992-09-02 Improvements of the wave energy attenuator that reduces the resistance developed during the propulsion of a ship. GR920100376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR92100376 1992-09-02

Publications (1)

Publication Number Publication Date
GR920100376A true GR920100376A (en) 1994-05-31

Family

ID=10941169

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920100376A GR920100376A (en) 1992-09-02 1992-09-02 Improvements of the wave energy attenuator that reduces the resistance developed during the propulsion of a ship.

Country Status (1)

Country Link
GR (1) GR920100376A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003055A1 (en) * 1981-03-02 1982-09-16 Brian See Water-borne vessel and method of moving vessel through water
DE3224390A1 (en) * 1982-06-30 1984-01-05 Blohm + Voss Ag, 2000 Hamburg Bulbous bow for ships
JPS5967191A (en) * 1982-10-09 1984-04-16 Murakami Sosenjo:Kk Vessel
EP0300977A1 (en) * 1987-05-29 1989-01-25 Ferdinando Puccioni Device for increasing the velocity of vessels by reducing the resistance against propulsion and vessels incorporating this device
EP0347363A1 (en) * 1988-06-15 1989-12-20 Emmanuel E. Petromanolakis Arangement to decrease the propulsion resistance of a vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003055A1 (en) * 1981-03-02 1982-09-16 Brian See Water-borne vessel and method of moving vessel through water
DE3224390A1 (en) * 1982-06-30 1984-01-05 Blohm + Voss Ag, 2000 Hamburg Bulbous bow for ships
JPS5967191A (en) * 1982-10-09 1984-04-16 Murakami Sosenjo:Kk Vessel
EP0300977A1 (en) * 1987-05-29 1989-01-25 Ferdinando Puccioni Device for increasing the velocity of vessels by reducing the resistance against propulsion and vessels incorporating this device
EP0347363A1 (en) * 1988-06-15 1989-12-20 Emmanuel E. Petromanolakis Arangement to decrease the propulsion resistance of a vessel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 8, no. 174 (M-316)(1611) 10 August 1984 & JP-A-59 67 191 ( MURAKAMI ZOUSENSHIYO K.K. ) 16 April 1984 *

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Legal Events

Date Code Title Description
MF Right revoked (revocation)
MA Right expired

Effective date: 20110611

NF Restoration of lapsed right

Effective date: 20050602