CA2552492A1 - Heat activated air shutter for fireplace - Google Patents

Heat activated air shutter for fireplace Download PDF

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Publication number
CA2552492A1
CA2552492A1 CA002552492A CA2552492A CA2552492A1 CA 2552492 A1 CA2552492 A1 CA 2552492A1 CA 002552492 A CA002552492 A CA 002552492A CA 2552492 A CA2552492 A CA 2552492A CA 2552492 A1 CA2552492 A1 CA 2552492A1
Authority
CA
Canada
Prior art keywords
assembly
burner housing
shutter collar
shutter
air opening
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
CA002552492A
Other languages
French (fr)
Other versions
CA2552492C (en
Inventor
Rashed Almasri
Thomas J. Beal
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.)
Monessen Hearth Systems Co
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 CA2552492A1 publication Critical patent/CA2552492A1/en
Application granted granted Critical
Publication of CA2552492C publication Critical patent/CA2552492C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/1808—Simulated fireplaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Gas Burners (AREA)

Abstract

The present invention is directed to a heating unit, such as a fireplace, including an interior housing forming a combustion chamber. The housing includes a top wall, a rear wall and sidewalls defining an exterior housing about the combustion chamber. A burner assembly is positioned to provide combustion to the combustion chamber and a heat-activated shutter is provided in communication with the burner assembly for controlling flow of air into the burner assembly.

Claims (19)

1. A gas heating unit, comprising:
a combustion chamber; and a burner housing assembly positioned to provide combustion to said combustion chamber, wherein said burner housing assembly includes a burner housing and a gas and air mixing assembly in communication with said burner housing, said gas and air mixing assembly functioning to mix gas and air to provide a yellow appearing flame instantaneously after initiation of combustion.
2. The gas heating unit of claim 1, wherein said gas and air mixing assembly is automatically responsive to changes in temperature to maintain said yellow appearing flame over time.
3. A gas heating unit, comprising:
a combustion chamber; and a burner housing assembly positioned to provide combustion to said combustion chamber, wherein said burner housing assembly includes a burner housing and a gas and air mixing assembly in communication with said burner housing;
said gas and air mixing assembly including a mixing tube assembly, said the mixing tube assembly including a mixing tube having at least one air opening formed at an outer end thereof and a shutter collar assembly sized, shaped and positioned to seal with said at least one air opening of said mixing tube, said shutter collar assembly being attached to a bi-metal coil spring, said bi-metal coil spring being responsive to changes in temperature to withdraw said shutter collar assembly from said at least one air opening in response to an increase of temperature from an ambient temperature and permitting air to enter said at least one air opening.
4. The gas heating unit of claim 3, wherein said burner housing includes a burner housing opening sized and shaped to receive said mixing tube.
5. The gas heating unit of claim 3, wherein said at least one air opening includes an upper air opening and a lower air opening.
6. The gas heating unit of claim 5, wherein said shutter collar assembly includes a first shutter collar having a first shutter collar inside surface and a first shutter gasket attached to said first shutter collar inside surface.
7. The gas heating unit of claim 6, wherein said shutter collar assembly includes a second shutter collar having a second shutter collar inside surface and a second shutter gasket attached to said second shutter collar inside surface.
8. The gas heating unit of claim 7, wherein said upper air opening includes a first shutter collar subassembly and said lower air opening includes a second shutter collar subassembly.
9. The gas heating unit of claim 8, wherein said first shutter collar subassembly is attached to an upper bi-metal coil spring and said second shutter collar subassembly is attached to a lower bi-metal coil spring.
10. A burner housing assembly for use in a heating unit, comprising:
a burner housing and a gas and air mixing assembly in communication with said burner housing;
said gas and air mixing assembly including a mixing tube assembly, said the mixing tube assembly including a mixing tube having at least one air opening formed at an outer end thereof and a shutter collar assembly sized, shaped and positioned to seal with said at least one air opening of said mixing tube, said shutter collar assembly being attached to a bi-metal coil spring, said bi-metal coil spring being responsive to changes in temperature to withdraw said shutter collar assembly from said at least one air opening in response to an increase of temperature from an ambient temperature and permitting air to enter said at least one air opening.
11. The burner housing assembly of claim 10, wherein said burner housing includes a burner housing opening sized and shaped to receive said mixing tube.
12. The burner housing assembly of claim 10, wherein said at least one air opening includes an upper air opening and a lower air opening.
13 The burner housing assembly of claim 12, wherein said shutter collar assembly includes a first shutter collar having a first shutter collar inside surface and a first shutter gasket attached to said first shutter collar inside surface.
14. The burner housing assembly of claim 13, wherein said shutter collar assembly includes a second shutter collar having a second shutter collar inside surface and a second shutter gasket attached to said second shutter collar inside surface.
15. The burner housing assembly of claim 14, wherein said upper air opening includes a first shutter collar subassembly and said lower air opening includes a second shutter collar subassembly.
16. The burner housing assembly of claim 15, wherein said first shutter collar subassembly is attached to an upper bi-metal coil spring and said second shutter collar subassembly is attached to a lower bi-metal coil spring.
17. The burner housing assembly of claim 16, further including a spring plate connected to said mixing tube, said spring plate having a pair of spring tabs extending therefrom, each of said pair of spring tabs positioned adjacent a respective one of said upper air opening and said lower air opening.
18. The burner housing assembly of claim 17, wherein said upper bi-metal coil spring is attached to an upper of said pair of spring tabs at a mounting portion thereof and said lower bi-metal coil spring is attached to a lower of said pair of spring tabs at a mounting portion thereof.
19. The burner housing assembly of claim 18, when said upper bi-metal coil spring is attached to a first shutter collar subassembly at an attachment portion thereof and said lower bi-metal coil spring is attached to a lower shutter collar subassembly at an attachment portion thereof.
CA2552492A 2005-07-19 2006-07-19 Heat activated air shutter for fireplace Expired - Fee Related CA2552492C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70063905P 2005-07-19 2005-07-19
US60/700,639 2005-07-19

Publications (2)

Publication Number Publication Date
CA2552492A1 true CA2552492A1 (en) 2007-01-19
CA2552492C CA2552492C (en) 2010-06-01

Family

ID=37663474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2552492A Expired - Fee Related CA2552492C (en) 2005-07-19 2006-07-19 Heat activated air shutter for fireplace

Country Status (2)

Country Link
US (1) US20070169771A1 (en)
CA (1) CA2552492C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8807987B2 (en) * 2009-11-12 2014-08-19 Unified Brands, Inc. Burner and ignition assembly and method

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Also Published As

Publication number Publication date
US20070169771A1 (en) 2007-07-26
CA2552492C (en) 2010-06-01

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EEER Examination request
MKLA Lapsed

Effective date: 20220301

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Effective date: 20200831