ZA744431B - Improvements in or relating to foldable propellers - Google Patents

Improvements in or relating to foldable propellers

Info

Publication number
ZA744431B
ZA744431B ZA00744431A ZA744431A ZA744431B ZA 744431 B ZA744431 B ZA 744431B ZA 00744431 A ZA00744431 A ZA 00744431A ZA 744431 A ZA744431 A ZA 744431A ZA 744431 B ZA744431 B ZA 744431B
Authority
ZA
South Africa
Prior art keywords
relating
foldable propellers
propellers
foldable
Prior art date
Application number
ZA00744431A
Inventor
N Ehrenskjold
T Munk
Original Assignee
Gori Vaerk As
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 Gori Vaerk As filed Critical Gori Vaerk As
Publication of ZA744431B publication Critical patent/ZA744431B/en

Links

Classifications

    • 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
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/20—Hubs; Blade connections
    • B63H1/22—Hubs; Blade connections the blades being foldable
    • B63H1/24—Hubs; Blade connections the blades being foldable automatically foldable or unfoldable
ZA00744431A 1973-07-11 1974-07-10 Improvements in or relating to foldable propellers ZA744431B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3304473A GB1476302A (en) 1973-07-11 1973-07-11 Propellers

Publications (1)

Publication Number Publication Date
ZA744431B true ZA744431B (en) 1975-07-30

Family

ID=10347775

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00744431A ZA744431B (en) 1973-07-11 1974-07-10 Improvements in or relating to foldable propellers

Country Status (3)

Country Link
BE (1) BE817519A (en)
GB (1) GB1476302A (en)
ZA (1) ZA744431B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7054156B2 (en) * 2003-09-02 2006-05-30 Hewlett-Packard Development Company, L.P. Fan rotor systems having collapsible fan blades

Also Published As

Publication number Publication date
GB1476302A (en) 1977-06-10
BE817519A (en) 1974-11-04

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