GB2356359A - Air return register with filter and fresh air inlet - Google Patents

Air return register with filter and fresh air inlet Download PDF

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Publication number
GB2356359A
GB2356359A GB9927254A GB9927254A GB2356359A GB 2356359 A GB2356359 A GB 2356359A GB 9927254 A GB9927254 A GB 9927254A GB 9927254 A GB9927254 A GB 9927254A GB 2356359 A GB2356359 A GB 2356359A
Authority
GB
United Kingdom
Prior art keywords
air
filter
register
fresh air
drawn
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Withdrawn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
GB9927254A
Other versions
GB9927254D0 (en
Inventor
Albert Robert Lowes
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 GB9927254A priority Critical patent/GB2356359A/en
Publication of GB9927254D0 publication Critical patent/GB9927254D0/en
Publication of GB2356359A publication Critical patent/GB2356359A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/04—Air-mixing units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

An air return register forming part of an air recirculation system (not shown) comprises a casing 1, a filter element 2, a fresh air inlet 9 and air vents 10. Fresh air is drawn into the casing through inlet 9, passes through filter element 2, and out through vents 10. Below the register the fresh air mixes with existing air for recirculation. The air then passes through vents 10 into the casing, through the filter element 2 (on the other side of a separating wall 4,5) and out through outlets 7 and 8, which are connected to air distribution units (not shown). To replace the filter element 2, latch 11 is undone, and the bottom frame 3 of the casing is pivoted about hinge 6 to provide access. The air recirculation system may include heating and cooling coils, fans, and heat exchangers. If the recirculation system is off, no air is drawn off from outlets 7 and 8, but fresh air is drawn in and fills the area below the register. If no fresh air is drawn in, air below the register is drawn in for recirculation.

Description

2356359 Patent Application of Albert Robert Lowes for MULTIPURPOSE AIR
RETURN REGISTER.
Inventors Number a Q C FIELD OF THE INVENTION. This invention relates to a air re-circulation system with filtration, it can include air conditioning, a fan coil, heating or cooling coils, or heat exchangers to recover heat from expelled air.
DESCRIPTION OF PRIOR ART. Prior air systems use return registers only to collect air to be re-circulated, occasionally a filter is included to filter the re-circulated air. Fresh air feeds have separate filter boxes. Fan coils and air conditioners have separate filters, In ducted units these can be difficult to change,
OBJECTS AND ADVANTAGES OF THE INVENTION. Accordingly, besides the objects and advantages of eliminating separate filter housings, this invention provides filtration of the re-circulated air, filtration of the fresh air feed, also providing a register for collection of the recirculated air, mixing of fresh air with re-circulated air, and provides an easily changed filter for both fresh air and re-circulated air. Fresh air with filtration can still be provided even if the re-circulation system is off, If this system is used in place of an air handling unit, the heating and cooling coils together with a fan is all that is required.
SUIRY OF THE INVENTION WITH OBJECTS. A general object of the invention is to make changing the fresh air filter and the re-circulating air filter a simple operation. This is accomplished by using a single filter to provide both functions, and locating it in the return air grille where it can be easily accessed, and replaced. Combining several fimctions in one unit, means that the system can be more compact. and it shortens the time needed to install the system.
DESCREPTION OF THE DRAWING. Figure I is a schematic diagram of the MULTIPURPOSE AIR RETURN REGISTER incorporating the principles of the invention.
Reference numerals in the drawing.
I Case of air return register. 2 Filter. 3 Bottom frame. 4 Holding bar. 5 Case separator. 6 Hinge.
7 Spigot. 8 Spigot. 9 Spigot. 10 Air Vents I I Latch DESCRIPTION OF TBE PREFERRED EMBODIMENT.
Fig 1, shows a Multipurpose Air Return Register according to the invention, the preferred embodiment works by, fresh air flows though Spigot 9, into Case 1, Case Separator 5, causes the air to flow though Filter 2, into the Bottom Frame 3, air flows though Air Vents 10, and is drawn together with extra air though the Air Vents 10, then though Filter 2 to Spigot 7 or 8, these Spigots can be connected to one or more units drawing the air for distribution, if no air is drawn from Spigot 7 or 8 any fresh air that flows will fill the area below the Register, if fresh air is prevented from flowing, air below the unit will be drawn in, for re-circulation, holding bar 4 presses the filter 2 against separator 5 preventing air from the spigot 9 by-passing the filter, likewise air from below the unit will pass though Filter 2 to flow out of Spigots 7 or 8, the Filter 2, can be changed by undoing Latch 11, and opening the Frame 3, pivoting about ffinge 6, to provide an opening to remove, or replace Filter 2. Filter 2, will under all conditions prevent any insects from travelling in via the fresh air conduit.
z

Claims (3)

  1. I claim
    I A return air register with a means to introduce ftesh air to mix with the re-circulated air containing a means to filter both air flows.
  2. 2 A return air register as clamed in claim I where the filter for ftesh air, and the filter for re-circulated air can be changed though a single access.
  3. 3 A return air register as claimed in claim I and 2 that contains a means that enables a single filter element to similtainiusly filter a fresh air flow, and a recirculated air flow.
    3
GB9927254A 1999-11-19 1999-11-19 Air return register with filter and fresh air inlet Withdrawn GB2356359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9927254A GB2356359A (en) 1999-11-19 1999-11-19 Air return register with filter and fresh air inlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9927254A GB2356359A (en) 1999-11-19 1999-11-19 Air return register with filter and fresh air inlet

Publications (2)

Publication Number Publication Date
GB9927254D0 GB9927254D0 (en) 2000-01-12
GB2356359A true GB2356359A (en) 2001-05-23

Family

ID=10864722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9927254A Withdrawn GB2356359A (en) 1999-11-19 1999-11-19 Air return register with filter and fresh air inlet

Country Status (1)

Country Link
GB (1) GB2356359A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7320719B2 (en) 2002-02-13 2008-01-22 3M Innovative Properties Company Filter device method of manufacturing the same and method of replacing a filter device
FR3071910A1 (en) * 2017-10-02 2019-04-05 Atlantic Climatisation & Ventilation VENTILATION HOUSING FOR RECYCLING THE AMBIENT AIR OF A VENTILATION FACILITY

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191543A (en) * 1977-12-23 1980-03-04 Peters Max D Sterile air recycling apparatus
US4989500A (en) * 1990-01-10 1991-02-05 J. I. Case Company Cab duct arrangment for service of air filters through a single access opening
US5176570A (en) * 1991-06-20 1993-01-05 Loren Liedl Filtered cold air baseboard return
WO1997043584A1 (en) * 1996-05-10 1997-11-20 Baas, Laurens, Jan Compact mechanical air cleaner
GB2314923A (en) * 1996-06-29 1998-01-14 Kenneth James Woodcock Fresh air recirculation unit
US5860856A (en) * 1996-07-12 1999-01-19 Deere & Company Vehicle cab ventilating system
US5947815A (en) * 1996-04-18 1999-09-07 Danforth; Doug A. Air register filtering system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191543A (en) * 1977-12-23 1980-03-04 Peters Max D Sterile air recycling apparatus
US4989500A (en) * 1990-01-10 1991-02-05 J. I. Case Company Cab duct arrangment for service of air filters through a single access opening
US5176570A (en) * 1991-06-20 1993-01-05 Loren Liedl Filtered cold air baseboard return
US5947815A (en) * 1996-04-18 1999-09-07 Danforth; Doug A. Air register filtering system
WO1997043584A1 (en) * 1996-05-10 1997-11-20 Baas, Laurens, Jan Compact mechanical air cleaner
GB2314923A (en) * 1996-06-29 1998-01-14 Kenneth James Woodcock Fresh air recirculation unit
US5860856A (en) * 1996-07-12 1999-01-19 Deere & Company Vehicle cab ventilating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7320719B2 (en) 2002-02-13 2008-01-22 3M Innovative Properties Company Filter device method of manufacturing the same and method of replacing a filter device
FR3071910A1 (en) * 2017-10-02 2019-04-05 Atlantic Climatisation & Ventilation VENTILATION HOUSING FOR RECYCLING THE AMBIENT AIR OF A VENTILATION FACILITY

Also Published As

Publication number Publication date
GB9927254D0 (en) 2000-01-12

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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)