Patent US4413976A successfully refreshed from Google Patents.
US4413976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter for a gas burner
Assignee: Hussmann Corp
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Filing: 1981-05-15
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Granted: 1983-11-08
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Expires: 2001-05-15
Abstract
Abstract An igniter which is for a gas burner and which serves to produce a pilot flame at the outer surface of the burner face. The igniter includes a tube which extends through the housing chamber and the burner and terminates adjacent to the burner face. Pilot gas passes through the tube where gas ignition occurs at the burner surface.
Inventors
- 👤 Richard M. Scherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; F23Q9/045; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
185 words
A gas burner including tile having inner and outer surfaces with multiple openings extending through the tile from the inner to the outer surfaces thereof, a housing associated with said tile and defining a chamber with said tile inner surface forming one wall of said housing chamber, means for introducing gas into said housing chamber, and means for igniting said gas to produce radiant heat at said tile outer surface, the improvement wherein said gas igniting means includes a nozzle secured within one of said openings, tube means adapted for connection at one end to a gas source extending within said housing chamber and seated at its other end in said nozzle for supplying gas to a pilot flame at said tile outer surface, said tube means as it extends into said housing chamber including heat expandable bellows parts to accommodate heat expansion of the tube means within said housing chamber during burner usage for the purpose of maintaining the seat of said tube means other end in said nozzle, whereby gas introduced into said housing chamber will be ignited at said tile outer surface.
Claim 2
Dependent Claim
185 words
A gas burner including tile having inner and outer surfaces with multiple openings extending through the tile from the inner to the outer surfaces thereof, a housing associated with said tile and defining a chamber with said tile inner surface forming one wall of said housing chamber, means for introducing gas into said housing chamber, and means for igniting said gas to produce radiant heat at said tile outer surface, the improvement wherein said gas igniting means includes a nozzle secured within one of said openings, tube means adapted for connection at one end to a gas source extending within said housing chamber and seated at its other end in said nozzle for supplying gas to a pilot flame at said tile outer surface, said tube means as it extends into said housing chamber including heat expandable bellows parts to accommodate heat expansion of the tube means within said housing chamber during burner usage for the purpose of maintaining the seat of said tube means other end in said nozzle, whereby gas introduced into said housing chamber will be ignited at said tile outer surface.
Claim 3
Dependent Claim
35 words
The radiant burner of claim 1 wherein said nozzle has a gas-emitting slot formed therein adjacent said tile outer surface, a shoulder formed in said nozzle, said tube means other end seated against said shoulder.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-07 | 1987-05-09 | 1987-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-07 | 1991-05-09 | 1991-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-07 | 1995-05-09 | 1995-11-08 | $7700.00 | Window Closed / Lapsed |