GB180923A - Improvements in rotary fans - Google Patents

Improvements in rotary fans

Info

Publication number
GB180923A
GB180923A GB1791021A GB1791021A GB180923A GB 180923 A GB180923 A GB 180923A GB 1791021 A GB1791021 A GB 1791021A GB 1791021 A GB1791021 A GB 1791021A GB 180923 A GB180923 A GB 180923A
Authority
GB
United Kingdom
Prior art keywords
hub
fan
thread
rotary fans
gear
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.)
Expired
Application number
GB1791021A
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.)
CHARLES ALEXANDRE NICOLLE
Original Assignee
CHARLES ALEXANDRE NICOLLE
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 CHARLES ALEXANDRE NICOLLE filed Critical CHARLES ALEXANDRE NICOLLE
Priority to GB1791021A priority Critical patent/GB180923A/en
Publication of GB180923A publication Critical patent/GB180923A/en
Expired 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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
    • F04D25/086—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans hand operated

Landscapes

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

Abstract

180,923. Nicolle, C. A. July 1, 1921. Driving-gear.-A handdriven fan, operated by a press-button or lever and a multiplying gear, has a high-speed spindle c driven alternately in opposite directions and communicating motion in one direction only to the hub of the fan through a screw-thread e and a short screw-thread on the hub.
GB1791021A 1921-07-01 1921-07-01 Improvements in rotary fans Expired GB180923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1791021A GB180923A (en) 1921-07-01 1921-07-01 Improvements in rotary fans

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1791021A GB180923A (en) 1921-07-01 1921-07-01 Improvements in rotary fans

Publications (1)

Publication Number Publication Date
GB180923A true GB180923A (en) 1922-06-08

Family

ID=10103389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1791021A Expired GB180923A (en) 1921-07-01 1921-07-01 Improvements in rotary fans

Country Status (1)

Country Link
GB (1) GB180923A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370859A (en) * 2000-11-20 2002-07-10 Stephen Bedford Manually operated portable fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370859A (en) * 2000-11-20 2002-07-10 Stephen Bedford Manually operated portable fan

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