JPS57153997A - Blower - Google Patents

Blower

Info

Publication number
JPS57153997A
JPS57153997A JP3946581A JP3946581A JPS57153997A JP S57153997 A JPS57153997 A JP S57153997A JP 3946581 A JP3946581 A JP 3946581A JP 3946581 A JP3946581 A JP 3946581A JP S57153997 A JPS57153997 A JP S57153997A
Authority
JP
Japan
Prior art keywords
angle
hub
blade
hub plate
airfoil
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
JP3946581A
Other languages
Japanese (ja)
Inventor
Shigeaki Kuroda
Toru Arai
Yasuro Oishi
Masamichi Hanada
Yoshihiro Takada
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 JP3946581A priority Critical patent/JPS57153997A/en
Publication of JPS57153997A publication Critical patent/JPS57153997A/en
Pending legal-status Critical Current

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE:To provide a performance equivalent to that of a blower which is supplied with three-dimensional airfoil blades by disposing each of two-dimensional airfoil blades on a hub plate at a certain angle. CONSTITUTION:A sheet metal 10 is bent with a radius of carvature through a center of a dotted line 10a into an airfoil 13. The airfoil 13 of a blade is fit on a hub plate 12. The fitting is carried out at a certain angle theta as to make an inlet angle beta1h at the side of the hub as much as an inflow angle of air at the side of the hub with respect to the center 7 of the hub plate. This requisition is not enough, that is, although the inlet angle beta1h at the side of the hub is suitable for a flow, the angle is not at the side of a shoroud. To attack this problem, the blade 13 is disposed inclinatorily with respect to the face of the hub plate in such a manner that the angle of flow at the side of the shround may be equivalent to an inlet angle beta1s of a blade. Thereby, the inlet angle of the blade may be approximately equal to the inflow angle of the air.
JP3946581A 1981-03-20 1981-03-20 Blower Pending JPS57153997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3946581A JPS57153997A (en) 1981-03-20 1981-03-20 Blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3946581A JPS57153997A (en) 1981-03-20 1981-03-20 Blower

Publications (1)

Publication Number Publication Date
JPS57153997A true JPS57153997A (en) 1982-09-22

Family

ID=12553797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3946581A Pending JPS57153997A (en) 1981-03-20 1981-03-20 Blower

Country Status (1)

Country Link
JP (1) JPS57153997A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526506A (en) * 1982-12-29 1985-07-02 Wilhelm Gebhardt Gmbh Radial fan with backwardly curving blades

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526506A (en) * 1982-12-29 1985-07-02 Wilhelm Gebhardt Gmbh Radial fan with backwardly curving blades

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