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1. (WO1991007313) SHIP'S PROPELLER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/007313 International Application No.: PCT/NL1989/000083
Publication Date: 30.05.1991 International Filing Date: 15.11.1989
Chapter 2 Demand Filed: 12.06.1991
IPC:
B63H 1/16 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
H
MARINE PROPULSION OR STEERING
1
Propulsive elements directly acting on water
02
of rotary type
12
with rotation axis substantially in propulsive direction
14
Propellers
16
having a shrouding ring attached to blades
Applicants:
STICHTING VOOR DE TECHNISCHE WETENSCHAPPEN [NL/NL]; Van Vollenhovenlaan 661 P.O. Box 3021 NL-3502 GA Utrecht, NL (AllExceptUS)
DE JONG, Karel [NL/NL]; NL (UsOnly)
DE VRIES, Jacob [NL/NL]; NL (UsOnly)
SPARENBERG, Johan, Adolf [NL/NL]; NL (UsOnly)
Inventors:
DE JONG, Karel; NL
DE VRIES, Jacob; NL
SPARENBERG, Johan, Adolf; NL
Agent:
DE BRUIJN, Leendert, C. ; Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720 NL-2502 LS The Hague, NL
Priority Data:
Title (EN) SHIP'S PROPELLER
(FR) HELICE POUR NAVIRE
Abstract:
(EN) Ship's propeller provided with propeller blades (1) with end plates (3, 4) at the end remote from the propeller hub and on both sides of the blade (1), whereby on the spot of the attachment to the blade (1) the end plates (3, 4) have a chord length less than the chord length of the blade end (2) and are overlapping each other partly and, whereby one end plate (3) is extending to one blade edge (5) and the other end plate (4) is extending to the other blade edge (6).
(FR) Hélice de navire munie de pales (1) possédant des plaques terminales (3, 4) à l'extrémité distante du moyeu de l'hélice et situées sur les deux côtés de la pale (1). A l'endroit où elles sont fixées à la pale (1), les plaques terminales (3, 4) ont une profondeur de profil inférieure à celle de l'extrémité (2) de la pale, et se chevauchent en partie. Une plaque terminale (3) s'étend jusqu'à un bord (5) de la pale, et l'autre plaque (4) s'étend jusqu'à l'autre bord (6).
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
ZA1989/08561EP0445207EP0500521US5312228CA2003949DE000068916040
KR1019900701535AU1990048072