US3176753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid fuel burner apparatus
Assignee: Whirlpool Corp
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Filing: 1961-08-31
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Granted: 1965-04-06
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 George E Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:23
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/06; F23N; F23N1/00; F23N1/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743; Y10T137/86751
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
BURNER APPARATUS COMPRISING: A SOURCE OF FLUID FUEL; A BURNER HEAD; A STANDING PILOT SPACED FROM SAID BURNER HEAD; AN IGNITION PILOT DEVICE ADJACENT SAID BURNER HEAD; MEANS DEFINING A FIRST FLOW PASSAGE FOR DELIVERING COMBUSTIBLE FLUID FUEL TO SAID BURNER HEAD; MEANS DEFINING A SECOND FLOW PASSAGE FOR DELIVERING COMBUSTIBLE FLUID FUEL TO SAID IGNITION PILOT DEVICE; MEANS DEFINING A THIRD FLOW PASSAGE BETWEEN SAID SECOND FLOW PASSAGE AND SAID STANDING PILOT FOR RECEIVING FLUID FUEL FROM SAID SECOND FLOW PASSAGE TO FLASH BACK AND IGNITE FLUID FUEL DELIVERED TO SAID IGNITION PILOT DEVICE THEREBY TO IGNITE FLUID FUEL DELIVERED TO SAID BURNER HEAD; AND MANUALLY CONTROLLED VALVE MEANS CONTROLLING THE DELVIERY OF FLUID FUEL THROUGH SAID FLOW PASSAGES INCLUDING MEANS FOR DELIVERING FLUID FUEL TO SAID SECOND PASSAGE FOR FLOW TO SAID IGNITION PILOT DEVIVE AT A HIGH RATE FOR INSTANTANEOUS IGNITION OF SAID PILOT DEVICE AND THEN AT A LOW RATE TO MAINTAIN SAID IGNITION OF SAID PILOT DEVICE, SAID VALVE MEANS DELIVERING FLUID FUEL TO SAID FIRST PASSAGE SELECTIVELY OVER A RANGE OF FLOW RATES ONLY AFTER THE IGNITION OF SAID PILOT DEVICE.
Claim 2
Dependent Claim
187 words
BURNER APPARATUS COMPRISING: A SOURCE OF FLUID FUEL; A BURNER HEAD; A STANDING PILOT SPACED FROM SAID BURNER HEAD; AN IGNITION PILOT DEVICE ADJACENT SAID BURNER HEAD; MEANS DEFINING A FIRST FLOW PASSAGE FOR DELIVERING COMBUSTIBLE FLUID FUEL TO SAID BURNER HEAD; MEANS DEFINING A SECOND FLOW PASSAGE FOR DELIVERING COMBUSTIBLE FLUID FUEL TO SAID IGNITION PILOT DEVICE; MEANS DEFINING A THIRD FLOW PASSAGE BETWEEN SAID SECOND FLOW PASSAGE AND SAID STANDING PILOT FOR RECEIVING FLUID FUEL FROM SAID SECOND FLOW PASSAGE TO FLASH BACK AND IGNITE FLUID FUEL DELIVERED TO SAID IGNITION PILOT DEVICE THEREBY TO IGNITE FLUID FUEL DELIVERED TO SAID BURNER HEAD; AND MANUALLY CONTROLLED VALVE MEANS CONTROLLING THE DELVIERY OF FLUID FUEL THROUGH SAID FLOW PASSAGES INCLUDING MEANS FOR DELIVERING FLUID FUEL TO SAID SECOND PASSAGE FOR FLOW TO SAID IGNITION PILOT DEVIVE AT A HIGH RATE FOR INSTANTANEOUS IGNITION OF SAID PILOT DEVICE AND THEN AT A LOW RATE TO MAINTAIN SAID IGNITION OF SAID PILOT DEVICE, SAID VALVE MEANS DELIVERING FLUID FUEL TO SAID FIRST PASSAGE SELECTIVELY OVER A RANGE OF FLOW RATES ONLY AFTER THE IGNITION OF SAID PILOT DEVICE.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |