PT77032B - Method and apparatus for increasing efficiency of a propeller-driven vehicle - Google Patents

Method and apparatus for increasing efficiency of a propeller-driven vehicle

Info

Publication number
PT77032B
PT77032B PT77032A PT7703283A PT77032B PT 77032 B PT77032 B PT 77032B PT 77032 A PT77032 A PT 77032A PT 7703283 A PT7703283 A PT 7703283A PT 77032 B PT77032 B PT 77032B
Authority
PT
Portugal
Prior art keywords
propeller
driven vehicle
increasing efficiency
increasing
efficiency
Prior art date
Application number
PT77032A
Other languages
Portuguese (pt)
Other versions
PT77032A (en
Original Assignee
Espanoles Astilleros
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 Espanoles Astilleros filed Critical Espanoles Astilleros
Publication of PT77032A publication Critical patent/PT77032A/en
Publication of PT77032B publication Critical patent/PT77032B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Types And Forms Of Lifts (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Control Of Transmission Device (AREA)
  • Structure Of Transmissions (AREA)
PT77032A 1982-07-19 1983-07-14 Method and apparatus for increasing efficiency of a propeller-driven vehicle PT77032B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES514112 1982-07-19

Publications (2)

Publication Number Publication Date
PT77032A PT77032A (en) 1983-08-01
PT77032B true PT77032B (en) 1986-02-03

Family

ID=8484480

Family Applications (1)

Application Number Title Priority Date Filing Date
PT77032A PT77032B (en) 1982-07-19 1983-07-14 Method and apparatus for increasing efficiency of a propeller-driven vehicle

Country Status (11)

Country Link
EP (1) EP0100058A1 (en)
JP (1) JPS5996093A (en)
KR (1) KR840005402A (en)
BR (1) BR8303846A (en)
DD (1) DD210095A5 (en)
DK (1) DK332083A (en)
FI (1) FI832576A (en)
GR (1) GR82298B (en)
NO (1) NO832600L (en)
PL (1) PL243092A1 (en)
PT (1) PT77032B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1034333C2 (en) * 2007-09-04 2009-03-11 Hrp Holding B V Combined propeller and jet pipe propulsion system for boat, has propeller completely enclosed by jet pipe supported against stern
ES2317799B1 (en) * 2008-08-01 2010-03-17 Juan Jose Romero Vazquez PROPULSION SYSTEM WITH HELICE AND FIXED TOWER REGARDING HELICE.
CH699473A2 (en) * 2008-08-27 2010-03-15 Drs Drag Reduction Systems Sa Device for channeling the water flow around the hub of a ship's propeller.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1106558A (en) * 1954-08-19 1955-12-20 Ostermann & Co propeller screen
FR1170011A (en) * 1957-03-25 1959-01-08 Fin for stabilizing and directing water nets for boats
DE1842679U (en) * 1960-08-05 1961-11-30 Ts B Konstrukcji Okretowych COVERING A SHIP'S SCREW.
FR1425538A (en) * 1964-12-07 1966-01-24 Underwater jet thruster
US3635186A (en) * 1970-02-25 1972-01-18 William H German Ship construction
JPS5271095A (en) * 1975-08-14 1977-06-14 Mitsui Eng & Shipbuild Co Ltd Ship

Also Published As

Publication number Publication date
JPS5996093A (en) 1984-06-02
DD210095A5 (en) 1984-05-30
FI832576A0 (en) 1983-07-14
PL243092A1 (en) 1984-03-12
BR8303846A (en) 1984-08-28
NO832600L (en) 1984-01-20
GR82298B (en) 1984-12-13
PT77032A (en) 1983-08-01
KR840005402A (en) 1984-11-12
DK332083D0 (en) 1983-07-19
EP0100058A1 (en) 1984-02-08
DK332083A (en) 1984-01-20
FI832576A (en) 1984-01-20

Similar Documents

Publication Publication Date Title
DE3380744D1 (en) Immunoassay apparatus and method
ZA832051B (en) Flotation apparatus and method
DE3373841D1 (en) Method and apparatus for performing assays
EP0107191A3 (en) Method and apparatus for coordination among distributed subsystems
GB2131204B (en) Electroerosion machining method and apparatus
ZA832063B (en) Separating process and apparatus
GB2119686B (en) Method and apparatus for making drawn containers
ZA838556B (en) Method and apparatus for separating particulate materials
IL70177A0 (en) Photocomposing apparatus and method
GB2131001B (en) Currency-dispensing method and apparatus
DE3274164D1 (en) Method and apparatus for division operations
ZA835808B (en) Labelling apparatus and method
DE3374816D1 (en) Method and apparatus for entering graphics
GB8307963D0 (en) Method and apparatus
DE3277340D1 (en) Winding method and winding apparatus therefor
GB2129356B (en) Billet-shearing method and apparatus
GB2124575B (en) Apparatus for and method of charging of containers
ZA833450B (en) A method and an apparatus for transdiaphragm distillation
GB2168909B (en) Method and apparatus for separating liquids
PT77032A (en) Method and apparatus for increasing efficiency of a propeller-driven vehicle
GB2118452B (en) Filtration method and apparatus
GB2131731B (en) Travelling-wire edm method and apparatus
GB2126441B (en) Positioning method and apparatus therefor
GB2114460B (en) Filtration method and apparatus
GB2116117B (en) Printing apparatus and method

Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19910204