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GB2217592A - Air heated mirror - Google Patents

Air heated mirror Download PDF

Info

Publication number
GB2217592A
GB2217592A GB8902201A GB8902201A GB2217592A GB 2217592 A GB2217592 A GB 2217592A GB 8902201 A GB8902201 A GB 8902201A GB 8902201 A GB8902201 A GB 8902201A GB 2217592 A GB2217592 A GB 2217592A
Authority
GB
United Kingdom
Prior art keywords
mirror
air
mirror assembly
fan unit
box
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.)
Granted
Application number
GB8902201A
Other versions
GB8902201D0 (en
GB2217592B (en
Inventor
Joseph Clark
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
Publication of GB8902201D0 publication Critical patent/GB8902201D0/en
Publication of GB2217592A publication Critical patent/GB2217592A/en
Application granted granted Critical
Publication of GB2217592B publication Critical patent/GB2217592B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/181—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
    • G02B7/1815—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation with cooling or heating systems
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/02—Mirrors used as equipment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Central Heating Systems (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)

Abstract

A mirror assembly 10 has a box-like structure 11 supporting a mirror 12. The interior of the structure 11 contains an electrically-operated fan unit 14 comprising a rotary impeller and a heating element 148 which is arranged to cause flow of heated air through the structure 11 and exiting to flow over the surface of the mirror 12 to free the mirror from condensation. <IMAGE>

Description

AIR HEATED MIRROR This invention relates to a mirror assembly.
According to the present invention there is provided a mirror assembly in which a box-like structure supports a mirror and contains an electrically-operated fan unit arranged to cause flow of heated air through the structure and over the surface of the mirror to free the surface from condensation.
Preferably the fan unit has separate impeller and heating components.
Preferably the box-like structure has an air inlet passageway at its upper end and an air outlet passageway at its lower end, said lower end being shaped to guide out flowing heated air in an upwardly directed stream over the surface of the mirror.
Preferably a horizontally-projecting mesh-like platform is provided at the lowermost edge of the mirror to close off the air outlet passageway in an air permeable manner.
An embodiment of the present invention will now be described by way of example with reference to the accompanying drawing, in which: Fig. 1 is a front view of a mirror assembly in accordance with the present invention; and Fig. 2 is a sectional view (to a different scale) taken on the line A-A in Fig. 1.
The mirror assembly 10 shown in the drawing comprises a box-like structure 11 made of heat resistant moulded plastics material having a rear surface lIA adapted to be secured to a wall (not shown) for example by headed screws secured to the wall and entering keyhole slots in surface llA. The front surface llB of the structure 11 has a mirror 12 secured thereto for example by means of adhesive. The side surfaces 11C, 11D of the structure are essentially planar and the upper surface llE is apertured as at 13 to provide an air inlet passageway to the interior of the structure 11 which contains an electrically-operated fan unit 14 comprising a rotary impellor 14A and a heating element 14B.
The bottom end of the structure 11 defines an air outlet passageway 15 shaped to guide outflowing heated air with minimal turbulence in an upwardly directed stream denoted by arrows B over the surface of the mirror 12 to free the mirror surface from condensation. A horizontally-projecting mesh-like platform 16 is provided at the lowermost edge of the mirror 12 to close off the air outlet passageway 15 in an air permeable manner so that bathroom accessories do not fall into the passageway 15.
In operation the fan unit 14 is actuated by an electrical ON/OFF switch 17 fitted to one of the side surfaces llC, llD, being either mains or battery operated, resulting in an inflow of air through the air inlet passageway which is heated by element 14B and which emerges from outlet passageway 15 to flow over the exposed surface of the mirror 12. If the assembly 10 is located in a moist atmosphere so as to be likely to be covered in condensation, the flow of heated air over the mirror 12 removes or prevents condensation so that the mirror 12 is available for use in a normal manner.
The fan unit 14 is conveniently provided with a safety-cut-out to prevent overheating of the interior of the structure 11.

Claims (5)

1. A mirror assembly in which a box-like structure supports a mirror and contains an electrically-operated fan unit arranged to cause flow of heated air through the structure and over the surface of the mirror to free the surface from condensation.
2. A mirror assembly as claimed in claim 1, wherein the fan unit has separate impeller and heating components.
3. A mirror assembly as claimed in either preceding claim, wherein the box-like structure has an air inlet passageway at its upper end and an air outlet passageway at its lower end, said lower end being shaped to guide outflow heated air in an upwardly directed stream over the surface of the mirror.
4. A mirror assembly as claimed claim 3, wherein a horizontally-projecting mesh-like platform is provided at the lowermost edge of the mirror to close off the air outlet passageway in an air permeable manner.
5. A mirror assembly as claimed in claim 1 and substantially as hereinbefore described with reference to the accompanying drawing.
GB8902201A 1988-04-25 1989-02-01 Air heated mirror Expired - Lifetime GB2217592B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888809677A GB8809677D0 (en) 1988-04-25 1988-04-25 Warm air bathroom mirror

Publications (3)

Publication Number Publication Date
GB8902201D0 GB8902201D0 (en) 1989-03-22
GB2217592A true GB2217592A (en) 1989-11-01
GB2217592B GB2217592B (en) 1991-10-23

Family

ID=10635763

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888809677A Pending GB8809677D0 (en) 1988-04-25 1988-04-25 Warm air bathroom mirror
GB8902201A Expired - Lifetime GB2217592B (en) 1988-04-25 1989-02-01 Air heated mirror

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888809677A Pending GB8809677D0 (en) 1988-04-25 1988-04-25 Warm air bathroom mirror

Country Status (1)

Country Link
GB (2) GB8809677D0 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226629A (en) * 1988-12-07 1990-07-04 Brian Smith Mirror de-fogging apparatus
FR2685157A1 (en) * 1991-12-17 1993-06-18 Casals Macia Miguel DEVICE ASSOCIATED WITH A MIRROR FOR AVOIDING THE FORMATION OF BUEE.
GB2262441A (en) * 1991-12-17 1993-06-23 Macia Miguel Casals Device incorporated into a mirror to avoid the formation of misting
WO1994018031A1 (en) * 1993-02-15 1994-08-18 Fischerwerke Artur Fischer Gmbh & Co. Kg Motor vehicle inner rearview mirror with integrated glove box
DE29520523U1 (en) * 1995-12-23 1996-04-11 Müller, Oliver, 72336 Balingen Heated anti-fog plumbing and damp room mirror

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185185A (en) * 1986-01-09 1987-07-15 Kohler Co Combined mirror and dryer air outlet assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185185A (en) * 1986-01-09 1987-07-15 Kohler Co Combined mirror and dryer air outlet assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GB 2185185 A *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226629A (en) * 1988-12-07 1990-07-04 Brian Smith Mirror de-fogging apparatus
FR2685157A1 (en) * 1991-12-17 1993-06-18 Casals Macia Miguel DEVICE ASSOCIATED WITH A MIRROR FOR AVOIDING THE FORMATION OF BUEE.
GB2262441A (en) * 1991-12-17 1993-06-23 Macia Miguel Casals Device incorporated into a mirror to avoid the formation of misting
WO1994018031A1 (en) * 1993-02-15 1994-08-18 Fischerwerke Artur Fischer Gmbh & Co. Kg Motor vehicle inner rearview mirror with integrated glove box
DE29520523U1 (en) * 1995-12-23 1996-04-11 Müller, Oliver, 72336 Balingen Heated anti-fog plumbing and damp room mirror

Also Published As

Publication number Publication date
GB8902201D0 (en) 1989-03-22
GB2217592B (en) 1991-10-23
GB8809677D0 (en) 1988-06-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930201