Patent US3871286A successfully refreshed from Google Patents.
US3871286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator
Assignee: Individual
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Filing: 1973-01-15
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Granted: 1975-03-18
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Expires: 1993-01-15
Abstract
Abstract An incinerator for burning refuse, garbage and the like, wherein a furnace chamber is provided with a horizontally extending movable fire grate. The grate constitutes part of a belt or chain conveyor for conveying material which is to be burned. Above the grate is provided one or more air blower units for blowing combustion air against the material to be burned, and each of the air blower units above the grate is movably mounted in that the blower units are mounted pivotally about a transverse axis above the grate below the furnace chamber ceiling.
Inventors
- 👤 Norolf Henriksen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:53
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/002; F23G5/004
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
An incinerator for burning refuse, garbage and the like material, said incinerator comprising: a furnace having end walls, side walls and a ceiling; a fire grate conveyor means extending horizontally within said furnace for moving material to be burned from one end wall of said furnace to the other end wall thereof; said side walls, end walls, ceiling and fire grate conveyor means defining a furnace chamber; at least one air blower unit means mounted within said furnace chamber for blowing combustion air against said material to be burned when positioned on said fire grate conveyor means, each of said blower unit means including perforated blower heads and mounting means extending across said furnace chamber in a direction transverse to the direction of movement of said fire grate conveyor means for providing pivotal movement of each of said blower unit means about an axis extending in said transverse direction.
Claim 2
Dependent Claim
149 words
An incinerator for burning refuse, garbage and the like material, said incinerator comprising: a furnace having end walls, side walls and a ceiling; a fire grate conveyor means extending horizontally within said furnace for moving material to be burned from one end wall of said furnace to the other end wall thereof; said side walls, end walls, ceiling and fire grate conveyor means defining a furnace chamber; at least one air blower unit means mounted within said furnace chamber for blowing combustion air against said material to be burned when positioned on said fire grate conveyor means, each of said blower unit means including perforated blower heads and mounting means extending across said furnace chamber in a direction transverse to the direction of movement of said fire grate conveyor means for providing pivotal movement of each of said blower unit means about an axis extending in said transverse direction.
Claim 3
Dependent Claim
67 words
An incinerator as claimed in claim 1, wherein each of said air blower unit means comprises a hollow beam extending across said furnace chamber in said transverse direction and forming said axis, and at least one pipe-shaped blower tube fixedly coupled to and communicating with said hollow beam and extending towardly therefrom, said blower tubes having connected at the bottom thereof one of said perforated blower heads.
Claim 4
Dependent Claim
59 words
An incinerator as claimed in claim 2, wherein each of said hollow beams extend through said side walls of said furnace, and further comprising combustion air supply means connected to one end of each of said hollow beams, and means for pivoting said hollow beams about said axes connected to the opposite ends of each of said hollow beams.
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) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |