FI95226B - Propeller för båtar och fartyg - Google Patents

Propeller för båtar och fartyg Download PDF

Info

Publication number
FI95226B
FI95226B FI940840A FI940840A FI95226B FI 95226 B FI95226 B FI 95226B FI 940840 A FI940840 A FI 940840A FI 940840 A FI940840 A FI 940840A FI 95226 B FI95226 B FI 95226B
Authority
FI
Finland
Prior art keywords
propeller
blades
blade
efficiency
water
Prior art date
Application number
FI940840A
Other languages
English (en)
Finnish (fi)
Other versions
FI95226C (sv
FI940840A0 (sv
Inventor
Jukka Kalevi Pohjola
Original Assignee
Jukka Kalevi Pohjola
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 Jukka Kalevi Pohjola filed Critical Jukka Kalevi Pohjola
Priority to FI940840A priority Critical patent/FI95226C/sv
Publication of FI940840A0 publication Critical patent/FI940840A0/sv
Priority to PCT/FI1995/000099 priority patent/WO1995023088A1/en
Priority to AU17109/95A priority patent/AU1710995A/en
Application granted granted Critical
Publication of FI95226B publication Critical patent/FI95226B/sv
Publication of FI95226C publication Critical patent/FI95226C/sv

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

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)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (2)

  1. 95226
  2. 1. En fartygs- och bätpropeller, pä vilkens cylindriska propellerstomme (1) har fästs tre, fyra eller flera symraetrlska propellerblad (2) i vlss stigningsvinkel skruvlikt sälunda att frän sidan betraktat det blir en springa Ό3) mellan bladen, som är 3 - k ganger lika tjock sora propellerbladet, känne teckna.d därav, att alla propellerblad sedda i axelns längdriktning tangerar varandra sä mycket att de i hydrodynamisk form gjorda bladen fyller en väsentligt stor del av propellerns rotationsyta och i vilken avstandet mellan det första bladet (2a) och det sista bladet (2d) är större än propellerns diameter sälunda att ingen i normalens riktning varande tryckvägsvektor frän det första propellerbladets differentialyta träffar det sista propellerbladets inneryta.
FI940840A 1994-02-23 1994-02-23 Propeller för båtar och fartyg FI95226C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI940840A FI95226C (sv) 1994-02-23 1994-02-23 Propeller för båtar och fartyg
PCT/FI1995/000099 WO1995023088A1 (en) 1994-02-23 1995-02-23 Propeller for boats and ships
AU17109/95A AU1710995A (en) 1994-02-23 1995-02-23 Propeller for boats and ships

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI940840A FI95226C (sv) 1994-02-23 1994-02-23 Propeller för båtar och fartyg
FI940840 1994-02-23

Publications (3)

Publication Number Publication Date
FI940840A0 FI940840A0 (sv) 1994-02-23
FI95226B true FI95226B (sv) 1995-09-29
FI95226C FI95226C (sv) 1996-01-10

Family

ID=8540179

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940840A FI95226C (sv) 1994-02-23 1994-02-23 Propeller för båtar och fartyg

Country Status (3)

Country Link
AU (1) AU1710995A (sv)
FI (1) FI95226C (sv)
WO (1) WO1995023088A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6527520B2 (en) 1999-07-29 2003-03-04 Jonathan B. Rosefsky Ribbon drive pumping with centrifugal contaminant removal
US6626638B2 (en) 1999-07-29 2003-09-30 Jonathan B. Rosefsky Ribbon drive power generation for variable flow conditions
DE10084861T1 (de) 1999-07-29 2002-07-25 Jonathan B Rosefsky Energieerzeugungsvorrichtung und -verfahren mit Schneckenrad

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR808921A (fr) * 1936-07-24 1937-02-18 Hélice à grand rendement pour moteurs à rotation rapide

Also Published As

Publication number Publication date
FI95226C (sv) 1996-01-10
FI940840A0 (sv) 1994-02-23
AU1710995A (en) 1995-09-11
WO1995023088A1 (en) 1995-08-31

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed