JPS5420252A - Spiral casing - Google Patents

Spiral casing

Info

Publication number
JPS5420252A
JPS5420252A JP8409377A JP8409377A JPS5420252A JP S5420252 A JPS5420252 A JP S5420252A JP 8409377 A JP8409377 A JP 8409377A JP 8409377 A JP8409377 A JP 8409377A JP S5420252 A JPS5420252 A JP S5420252A
Authority
JP
Japan
Prior art keywords
spiral casing
casing
opiral
convolving
rib
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP8409377A
Other languages
Japanese (ja)
Inventor
Akira Ishida
Mamoru Takeuchi
Tsutomu Iwasaki
Shigeo Higuchi
Koji Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
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
Priority to JP8409377A priority Critical patent/JPS5420252A/en
Publication of JPS5420252A publication Critical patent/JPS5420252A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/15—Geometry two-dimensional spiral
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/25—Geometry three-dimensional helical
    • 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

Landscapes

  • Hydraulic Turbines (AREA)

Abstract

PURPOSE: To obtain a high reliable spiral casing in the intensity in such a way that improvement to the fitting structure of a rib may send down the stress of the peripheral acute angle forming part at the final convolving part of the opiral cs casing.
COPYRIGHT: (C)1979,JPO&Japio
JP8409377A 1977-07-15 1977-07-15 Spiral casing Pending JPS5420252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8409377A JPS5420252A (en) 1977-07-15 1977-07-15 Spiral casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8409377A JPS5420252A (en) 1977-07-15 1977-07-15 Spiral casing

Publications (1)

Publication Number Publication Date
JPS5420252A true JPS5420252A (en) 1979-02-15

Family

ID=13820885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8409377A Pending JPS5420252A (en) 1977-07-15 1977-07-15 Spiral casing

Country Status (1)

Country Link
JP (1) JPS5420252A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5069599A (en) * 1989-08-18 1991-12-03 Ebara Corporation Metal plate stator case, particularly for radial centrifugal pumps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5069599A (en) * 1989-08-18 1991-12-03 Ebara Corporation Metal plate stator case, particularly for radial centrifugal pumps

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