NL7513006A - Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade - Google Patents

Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade

Info

Publication number
NL7513006A
NL7513006A NL7513006A NL7513006A NL7513006A NL 7513006 A NL7513006 A NL 7513006A NL 7513006 A NL7513006 A NL 7513006A NL 7513006 A NL7513006 A NL 7513006A NL 7513006 A NL7513006 A NL 7513006A
Authority
NL
Netherlands
Prior art keywords
blade
pattern
fixed pitch
pitch
welded seams
Prior art date
Application number
NL7513006A
Other languages
English (en)
Dutch (nl)
Original Assignee
Kawasaki Heavy Ind Ltd
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
Priority to NO753599A priority Critical patent/NO138556C/no
Priority to US05/627,464 priority patent/US4143536A/en
Priority to GB45116/75A priority patent/GB1520460A/en
Application filed by Kawasaki Heavy Ind Ltd filed Critical Kawasaki Heavy Ind Ltd
Priority to NL7513006A priority patent/NL7513006A/xx
Priority to DE19752550003 priority patent/DE2550003A1/de
Publication of NL7513006A publication Critical patent/NL7513006A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F04D29/247—Vanes elastic or self-adjusting
    • 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
    • B63H1/26—Blades
    • 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
    • B63H1/28—Other means for improving propeller efficiency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/12—Propeller-blade pitch changing the pitch being adjustable only when propeller is stationary
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49332—Propeller making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arc Welding In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Heat Treatment Of Articles (AREA)
  • Control Of Turbines (AREA)
  • Coating Apparatus (AREA)
  • Paper (AREA)
NL7513006A 1975-10-28 1975-11-06 Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade NL7513006A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO753599A NO138556C (no) 1975-10-28 1975-10-28 Fremgangsmaate til behandling av en propells blad for regulering av omloepshastigheten for propellen
US05/627,464 US4143536A (en) 1975-10-28 1975-10-30 Method of correcting rotational speed of screw propeller
GB45116/75A GB1520460A (en) 1975-10-28 1975-10-31 Method of correcting rotational speed of screw propeller
NL7513006A NL7513006A (en) 1975-10-28 1975-11-06 Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade
DE19752550003 DE2550003A1 (de) 1975-10-28 1975-11-07 Verfahren zur korrektur der drehzahl einer fluegelschraube mit gleicher blattsteigung

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NO753599A NO138556C (no) 1975-10-28 1975-10-28 Fremgangsmaate til behandling av en propells blad for regulering av omloepshastigheten for propellen
US05/627,464 US4143536A (en) 1975-10-28 1975-10-30 Method of correcting rotational speed of screw propeller
GB45116/75A GB1520460A (en) 1975-10-28 1975-10-31 Method of correcting rotational speed of screw propeller
NL7513006A NL7513006A (en) 1975-10-28 1975-11-06 Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade
DE19752550003 DE2550003A1 (de) 1975-10-28 1975-11-07 Verfahren zur korrektur der drehzahl einer fluegelschraube mit gleicher blattsteigung

Publications (1)

Publication Number Publication Date
NL7513006A true NL7513006A (en) 1977-05-10

Family

ID=60191029

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7513006A NL7513006A (en) 1975-10-28 1975-11-06 Drag control for fixed pitch marine blade - with welded seams in pattern on front and back of blade

Country Status (5)

Country Link
US (1) US4143536A (pm)
DE (1) DE2550003A1 (pm)
GB (1) GB1520460A (pm)
NL (1) NL7513006A (pm)
NO (1) NO138556C (pm)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100088A (ja) * 1982-11-30 1984-06-09 Sanshin Ind Co Ltd 船舶推進機用プロペラ
IT1160151B (it) * 1983-01-07 1987-03-04 Innocente Riganti Off Mec Procedimento di fabbricazione di un'elica
US5169290A (en) * 1991-11-07 1992-12-08 Carrier Corporation Blade for centrifugal flow fan
FR2822801B1 (fr) * 2001-03-30 2005-08-05 Jacques Juan Procede d'amelioration du rendement des helices de bateaux et helices modifiees selon ce procede
US6837760B2 (en) * 2002-05-24 2005-01-04 James Clyde Mackey Method for modifying engine loading through changing of propeller blade shape by bending a propeller blade edge to modify the section camber and pitch of the blade, and propellers made using the same
US9551230B2 (en) * 2015-02-13 2017-01-24 United Technologies Corporation Friction welding rotor blades to a rotor disk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428825A (en) * 1941-02-27 1947-10-14 Linde Air Prod Co Method of controlling distortion, straightening distorted objects, and/or altering the shape of metal objects
NL157261B (nl) * 1969-10-15 1978-07-17 Kawasaki Heavy Ind Ltd Werkwijze voor het aanpassen aan het gewenste motortoerental van een scheepsschroef.

Also Published As

Publication number Publication date
GB1520460A (en) 1978-08-09
NO138556C (no) 1978-09-27
DE2550003A1 (de) 1977-05-18
US4143536A (en) 1979-03-13
NO753599L (pm) 1977-04-29
NO138556B (no) 1978-06-19

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Legal Events

Date Code Title Description
BN A decision not to publish the application has become irrevocable