GB2276671A - Fan unit - Google Patents

Fan unit Download PDF

Info

Publication number
GB2276671A
GB2276671A GB9307088A GB9307088A GB2276671A GB 2276671 A GB2276671 A GB 2276671A GB 9307088 A GB9307088 A GB 9307088A GB 9307088 A GB9307088 A GB 9307088A GB 2276671 A GB2276671 A GB 2276671A
Authority
GB
United Kingdom
Prior art keywords
fan unit
lamp
guard
fan
type
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.)
Withdrawn
Application number
GB9307088A
Other versions
GB9307088D0 (en
Inventor
Jamie Stoker
John Stoker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9307088A priority Critical patent/GB2276671A/en
Publication of GB9307088D0 publication Critical patent/GB9307088D0/en
Publication of GB2276671A publication Critical patent/GB2276671A/en
Withdrawn legal-status Critical Current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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • 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

Abstract

A fan unit which can be fitted into the bulb socket of an existing anglepoise or other type of desk lamp, replacing the bulb. The front safety guard (Fig. 6) of which can be removed and interchanged with differently sized guards to fit differently sized reflectors of various lamps. The guard is to have an integral handle for holding when filling into the lamp and a fine mesh or annular ring type of protector such that no part of the fan blades can be touched when fitting or operating the fan unit. The outer edge of the guard is to have an anti-vibration device comprising of either a bonded strip of shaped foam or a number spring steel or plastic clips both of which will centre the fan unit into the lamp reflector and prevent vibration. The operation of the fan unit is by means of the on/off switch of the lamp. <IMAGE>

Description

FAN UNIT This Invention Relates to a Fan Unit.
Portable adjustable fan units are in use in most office environments and comprise of a multi-bladed fan driven by an electric motor and gearbox assembly, powered from mains electricity, complete with a safety guard and adjustable direction/speed controllers.
In summer, however these fan units are in great demand and according to the resources available to any company it is not always possible to supply each individual with these fan units.
According to the present invention there is a fan unit which comprises of a bulb type of bayonet fitting at one end, specifically to fit into the bulb socket of an existing anglepoise or other type of desk lamp.
The fan unit therefore uses the on/off switch of the lamp and power feed from the bulb socket for it S operational power.
A heat resistant PVC or other type of plastic moulded body is required to enclose an electric motor and gearbox and as a fixing for a removeable PVC or other type of plastic moulded or metal mesh safety guard, complete with a handle for installation into the lamp, such that no part of the fan blades can be touched whilst installing or operating the unit.
The safety guard is made removeable by either having fixing screws or sprung plastic/steel insets into the body of the motor housing.
A specific embodiment of the invention will now be described by way of example and with reference to the accompanying drawings.
FIG.1 Shows the fan unit in perspective from the front.
FIG.2 Shows the fan unit in perspective from the back.
FIG.3 Shows the fan unit front elevation.
FIG.4 Shows the fan unit in part section.
FIG.5 Shows the fan unit rear elevation.
FIG.6 Shows the separate safety guard in perspective.
Referring to the drawings the fan unit comprises of :1. A safety guard.
2. A multi-bladed fan and drive shaft.
3. A motor/gearbox housing.
4. An electric motor and gearbox.
5. An electric bulb type bayonet fitting.
6. Anti-vibration foam bonded to the guard.
7. An installation handle.
In order to use the fan unit, simply remove the bulb from an existing anglepoise or other type of desk lamp and install the fan unit as you would a replacement bulb, using the installation handle to turn and lock the fan unit into the bayonet socket.

Claims (6)

1. A fan unit which can be introduced into the bulb socket of an existing anglepoise or other type of desk lamp, using thereflector of the lamp as a housing and the on/off switch as a controller and power feed from the mains electricity or other type of power supply, eg. battery,
2. A fan unit as claimed in claim 1. wherein a heatproof PVC or other type of plastic moulded body is made to house a motor and gearbox to drive a multi-bladed fan, and to form a fixing for the safety guard by way of threaded holes to receive fixing screws or moulded holes to receive sprung plastic or steel clips moulded as part of or added to the guard.
3. A fan unit as claimed in claims 1. & 2. wherein the power is picked up from the lamp by means of a standard bulb type of bayonet fitting screwed into the motor/gearbox housing.
4. A fan unit as claimed in claim 3. wherein the rotary motion of the fan blades is provided from an electric motor through a gearbox and drive shaft.
5. A fan unit as claimed in claims 1. & 2. wherein there is variably sized, removeable safety guard, complete with integrally moulded installation handle and anti-vibration foam strip surround or anti-vibration spring clips around the guard rim giving a firm grip to the lamp reflector.
The guard to be manufactured in various sizes to fit differing sizes of lamp reflector, and to be interchangeable with all fan bodies.
6. A fan unit substantially as described herein and with reference to FIGS. 1-6 of the accompanying drawings.
GB9307088A 1993-04-03 1993-04-03 Fan unit Withdrawn GB2276671A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9307088A GB2276671A (en) 1993-04-03 1993-04-03 Fan unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9307088A GB2276671A (en) 1993-04-03 1993-04-03 Fan unit

Publications (2)

Publication Number Publication Date
GB9307088D0 GB9307088D0 (en) 1993-05-26
GB2276671A true GB2276671A (en) 1994-10-05

Family

ID=10733366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9307088A Withdrawn GB2276671A (en) 1993-04-03 1993-04-03 Fan unit

Country Status (1)

Country Link
GB (1) GB2276671A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372295A (en) * 2001-02-20 2002-08-21 Lawrence Kaplan Portable ventilation fan

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661747A (en) * 1948-12-18 1951-11-28 British Thomson Houston Co Ltd Improvements in and relating to oscillating fans
GB794655A (en) * 1955-06-13 1958-05-07 Gen Electric Improvements relating to domestic ventilating fans
GB2154660A (en) * 1984-02-22 1985-09-11 Franco Mandelli A portable fan for room ventilation
DE4038775A1 (en) * 1990-12-05 1992-06-11 Klaus Reinhardt Ventilator fan driven by electric motor - has electrical screw connection of electric motor to fit light socket and provided with centre and side contacts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661747A (en) * 1948-12-18 1951-11-28 British Thomson Houston Co Ltd Improvements in and relating to oscillating fans
GB794655A (en) * 1955-06-13 1958-05-07 Gen Electric Improvements relating to domestic ventilating fans
GB2154660A (en) * 1984-02-22 1985-09-11 Franco Mandelli A portable fan for room ventilation
DE4038775A1 (en) * 1990-12-05 1992-06-11 Klaus Reinhardt Ventilator fan driven by electric motor - has electrical screw connection of electric motor to fit light socket and provided with centre and side contacts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372295A (en) * 2001-02-20 2002-08-21 Lawrence Kaplan Portable ventilation fan

Also Published As

Publication number Publication date
GB9307088D0 (en) 1993-05-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)