US3584609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drum for waste incinerator
Assignee: Lincoln Electric Company France SA
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Filing: 1970-03-05
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Granted: 1971-06-15
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Expires: 1990-03-05
Abstract
Abstract A rotary drum for waste incinerator, of the type having an outer casing, a coaxial gas-pervious support for a waste, longitudinal partitions between the casing and the support and apertures in the casing for admitting air or for exhausting fumes, said apertures opening in ducts laterally bounded by the lateral partitions. A transverse partition, located between the casing and the gaspervious support, divides each one of the ducts in a section in which flows the admitted air and a section in which flow the fumes to be exhausted.
Inventors
- 👤 Paul Lerner
- 👤 Georges Poterlot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:06
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
174 words
In a waste incinerator comprising a drum adapted to continuously rotate about its axis, said drum comprising an external envelope impervious to gas and an internal gas-pervious support for the waste to be incinerated, a plurality of longitudinal partitions between and fixed to the envelope and the support and forming longitudinal ducts with the envelope and the support, means to feed waste to be incinerated into one end of the support and means for removing incinerated waste from the other end of the support; the improvement comprising transverse partitions dividing said ducts into sections adjacent said one end and sections adjacent said other end, means to connect said sections adjacenT one end with and to mask said sections adjacent one end from a combustion gas discharge depending on their position due to rotation of the drum, and means to connect said sections adjacent the other end with and to mask said sections adjacent the other end from communication with a source of combustion-supporting gas depending on their position due to rotation of the drum.
Claim 2
Dependent Claim
174 words
In a waste incinerator comprising a drum adapted to continuously rotate about its axis, said drum comprising an external envelope impervious to gas and an internal gas-pervious support for the waste to be incinerated, a plurality of longitudinal partitions between and fixed to the envelope and the support and forming longitudinal ducts with the envelope and the support, means to feed waste to be incinerated into one end of the support and means for removing incinerated waste from the other end of the support; the improvement comprising transverse partitions dividing said ducts into sections adjacent said one end and sections adjacent said other end, means to connect said sections adjacenT one end with and to mask said sections adjacent one end from a combustion gas discharge depending on their position due to rotation of the drum, and means to connect said sections adjacent the other end with and to mask said sections adjacent the other end from communication with a source of combustion-supporting gas depending on their position due to rotation of the drum.
Claim 3
Dependent Claim
26 words
Apparatus as claimed in claim 1, said partitions being disposed between a fifth and a half of the length of the ducts from said one end.
Claim 4
Dependent Claim
54 words
Apparatus as claimed in claim 1, there being first openings through said envelope between said longitudinal partitions communicating between said sections adjacent said one end and said combustion gas discharge, and second openings through said envelope between said longitudinal partitions communicating between said sections adjacent said other end and said source of combustion-supporting gas.
Claim 5
Dependent Claim
78 words
Apparatus as claimed in claim 3, said masking means comprising means exposing said first openings on the upper side of the drum and masking said first openings on the under side of the drum, and exposing said second openings on the under side of the drum and masking said second openings on the upper side of the drum whereby combustion-supporting gas enters the under side of the drum and combustion gas leaves the upper side of the drum.
Claim 6
Dependent Claim
13 words
Apparatus as claimed in claim 1, said ducts being closed at their ends.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |