HK48681A - Improvements in or relating to controllable pitch axial flow fans - Google Patents

Improvements in or relating to controllable pitch axial flow fans

Info

Publication number
HK48681A
HK48681A HK486/81A HK48681A HK48681A HK 48681 A HK48681 A HK 48681A HK 486/81 A HK486/81 A HK 486/81A HK 48681 A HK48681 A HK 48681A HK 48681 A HK48681 A HK 48681A
Authority
HK
Hong Kong
Prior art keywords
relating
axial flow
flow fans
controllable pitch
pitch axial
Prior art date
Application number
HK486/81A
Inventor
E D Appleton
Ballard Richardwoods
Original Assignee
Woods Colchester 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 Woods Colchester Ltd filed Critical Woods Colchester Ltd
Publication of HK48681A publication Critical patent/HK48681A/en

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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
HK486/81A 1975-12-02 1981-10-08 Improvements in or relating to controllable pitch axial flow fans HK48681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49485/75A GB1512559A (en) 1975-12-02 1975-12-02 Controllable pitch axial flow fans

Publications (1)

Publication Number Publication Date
HK48681A true HK48681A (en) 1981-10-16

Family

ID=10452512

Family Applications (2)

Application Number Title Priority Date Filing Date
HK487/81A HK48781A (en) 1975-12-02 1981-10-08 Improvements in or relating to controllable pitch axial flow fans
HK486/81A HK48681A (en) 1975-12-02 1981-10-08 Improvements in or relating to controllable pitch axial flow fans

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK487/81A HK48781A (en) 1975-12-02 1981-10-08 Improvements in or relating to controllable pitch axial flow fans

Country Status (3)

Country Link
GB (1) GB1512559A (en)
HK (2) HK48781A (en)
MY (2) MY8200139A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496807A (en) * 1978-01-18 1979-07-31 Hitachi Ltd Structure of moving vane bearing in variable moving vane type axial fan
DE3227071C1 (en) * 1982-07-20 1984-01-05 Voith Gmbh J M Axial fan with adjustable blades
DE3422046C2 (en) * 1984-06-14 1986-07-10 J.M. Voith Gmbh, 7920 Heidenheim Device for lubricating and, if necessary, cooling the rotating bearings of axial fans

Also Published As

Publication number Publication date
GB1512559A (en) 1978-06-01
MY8200139A (en) 1982-12-31
HK48781A (en) 1981-10-16
MY8200140A (en) 1982-12-31

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