GB344521A - Improvements in and connected with ventilating fans and the like - Google Patents

Improvements in and connected with ventilating fans and the like

Info

Publication number
GB344521A
GB344521A GB3772329A GB3772329A GB344521A GB 344521 A GB344521 A GB 344521A GB 3772329 A GB3772329 A GB 3772329A GB 3772329 A GB3772329 A GB 3772329A GB 344521 A GB344521 A GB 344521A
Authority
GB
United Kingdom
Prior art keywords
worm
wheel teeth
ventilating fans
worm wheel
gearing
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
GB3772329A
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.)
JOHN FURSE BANCROF VIDAL
Stone J and Co Ltd
J Stone and Co Ltd
Original Assignee
JOHN FURSE BANCROF VIDAL
Stone J and Co Ltd
J Stone and Co 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 JOHN FURSE BANCROF VIDAL, Stone J and Co Ltd, J Stone and Co Ltd filed Critical JOHN FURSE BANCROF VIDAL
Priority to GB3772329A priority Critical patent/GB344521A/en
Publication of GB344521A publication Critical patent/GB344521A/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
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gear Transmission (AREA)

Abstract

344,521. Worm gearing. STONE & CO., Ltd., J., Deptford, and VIDAL, J. F. B., 18, Brandram Road, Lee, both in London. Dec. 9, 1929, No. 37723. [Class 80 (i).] In means for causing a fan and motor e to gyrate, a reaction arm z employed in the apparatus is driven by reduction gearing comprising a worm n on the motor shaft which engages worm wheel teeth o on a drum p which is also formed with worm grooves v, Fig. 2, to engage internal worm wheel teeth on a ring w.
GB3772329A 1929-12-09 1929-12-09 Improvements in and connected with ventilating fans and the like Expired GB344521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3772329A GB344521A (en) 1929-12-09 1929-12-09 Improvements in and connected with ventilating fans and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3772329A GB344521A (en) 1929-12-09 1929-12-09 Improvements in and connected with ventilating fans and the like

Publications (1)

Publication Number Publication Date
GB344521A true GB344521A (en) 1931-03-09

Family

ID=10398572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3772329A Expired GB344521A (en) 1929-12-09 1929-12-09 Improvements in and connected with ventilating fans and the like

Country Status (1)

Country Link
GB (1) GB344521A (en)

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