CH630144A5 - Verfahren zum herstellen von leitringen fuer wasserturbinen und pumpenturbinen. - Google Patents

Verfahren zum herstellen von leitringen fuer wasserturbinen und pumpenturbinen. Download PDF

Info

Publication number
CH630144A5
CH630144A5 CH612678A CH612678A CH630144A5 CH 630144 A5 CH630144 A5 CH 630144A5 CH 612678 A CH612678 A CH 612678A CH 612678 A CH612678 A CH 612678A CH 630144 A5 CH630144 A5 CH 630144A5
Authority
CH
Switzerland
Prior art keywords
openings
guide vanes
washer
molds
spaces
Prior art date
Application number
CH612678A
Other languages
German (de)
English (en)
Inventor
Tetsuo Okuni
Masao Ishihara
Takeshi Wada
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CH630144A5 publication Critical patent/CH630144A5/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K25/00—Slag welding, i.e. using a heated layer or mass of powder, slag or the like in contact with the material to be joined
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hydraulic Turbines (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
CH612678A 1977-06-07 1978-06-05 Verfahren zum herstellen von leitringen fuer wasserturbinen und pumpenturbinen. CH630144A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6624377A JPS541736A (en) 1977-06-07 1977-06-07 Manufacturing method of steering

Publications (1)

Publication Number Publication Date
CH630144A5 true CH630144A5 (de) 1982-05-28

Family

ID=13310220

Family Applications (1)

Application Number Title Priority Date Filing Date
CH612678A CH630144A5 (de) 1977-06-07 1978-06-05 Verfahren zum herstellen von leitringen fuer wasserturbinen und pumpenturbinen.

Country Status (4)

Country Link
US (1) US4228336A (enExample)
JP (1) JPS541736A (enExample)
CH (1) CH630144A5 (enExample)
DE (1) DE2824643C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114473302A (zh) * 2022-02-24 2022-05-13 浙江振兴阿祥集团有限公司 一种水轮机蜗壳座环的生产工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421426A (en) * 1977-07-18 1979-02-17 Hitachi Chem Co Ltd Coating resin composition
JPS543169B1 (enExample) * 1977-10-12 1979-02-19
CA1164056A (en) * 1979-12-29 1984-03-20 Yoshihiko Asai Electroslag surfacing method of components having a cylindrical surface and apparatus for carrying out the method
CN115289068B (zh) * 2022-08-16 2025-06-06 哈尔滨电机厂有限责任公司 一种插入式导叶焊接结构水泵水轮机座环制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1615686A (en) * 1921-09-28 1927-01-25 Westinghouse Electric & Mfg Co Method of welding
US1938382A (en) * 1933-03-17 1933-12-05 Gen Electric Method of manufacturing nozzle diaphragms and the like
US2611578A (en) * 1947-10-04 1952-09-23 James Leffel & Co Sectionalized case for turbines and the like
US3550259A (en) * 1968-04-04 1970-12-29 Combustion Eng Nipple or nozzle buildup by the electroslag consumable nozzle technique
US4130931A (en) * 1976-02-11 1978-12-26 Arcos Corporation Electroslag boss and process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114473302A (zh) * 2022-02-24 2022-05-13 浙江振兴阿祥集团有限公司 一种水轮机蜗壳座环的生产工艺
CN114473302B (zh) * 2022-02-24 2024-01-30 浙江振兴阿祥集团有限公司 一种水轮机蜗壳座环的生产工艺

Also Published As

Publication number Publication date
JPS5628227B2 (enExample) 1981-06-30
JPS541736A (en) 1979-01-08
DE2824643C2 (de) 1984-05-03
DE2824643A1 (de) 1978-12-14
US4228336A (en) 1980-10-14

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PL Patent ceased