Patent US2875579A successfully refreshed from Google Patents.
US3749033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary kiln incinerator
Assignee: Individual
•
Filing: 1971-12-30
•
Granted: 1973-07-31
•
Expires: 1991-12-30
Abstract
Abstract An incinerator comprising a horizontally extending rotary kiln having a cooling water jacket between its inner and outer walls. An inner drum extends axially through the rotary kiln to define an annular combustion chamber therein, the inner drum including a water conduit in communication with the cooling water jacket and a plurality of air channels to supply air into the combustion chamber. On the circumference of the rotary kiln there are mounted a plurality of gear wheels respectively in mesh with pinions coupled to a motor for rotating the kiln. The kiln has a plurality of raised circular rims on its circumference each resting on a pair of rollers for further support.
Inventors
- 👤 K Sugano
- 👤 K Matsumura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:46
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/20; F23G7/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
123 words
An incinerator comprising a horizontally extending cylindrical kiln having a cooling water jacket defined by an inner wall and outer wall spaced from said inner wall, a pair of fixed faceplates, said cylindrical kiln having its ends closed by said faceplates forming a combustion chamber, a plurality of gear wheels on said cylindrical kiln, a plurality of pinions in mesh with said gear wheels, a motor means connected to said pinions for rotating said cylindrical kiln relative to said faceplates, a plurality of raised rims, roller means engaged by said sylindrical kiln, each of sAid raised rims for rotatably supporting said cylindrical kiln, a charging gate formed through one of said faceplates, and an exhaust opening formed through the other of said faceplates.
Claim 2
Dependent Claim
123 words
An incinerator comprising a horizontally extending cylindrical kiln having a cooling water jacket defined by an inner wall and outer wall spaced from said inner wall, a pair of fixed faceplates, said cylindrical kiln having its ends closed by said faceplates forming a combustion chamber, a plurality of gear wheels on said cylindrical kiln, a plurality of pinions in mesh with said gear wheels, a motor means connected to said pinions for rotating said cylindrical kiln relative to said faceplates, a plurality of raised rims, roller means engaged by said sylindrical kiln, each of sAid raised rims for rotatably supporting said cylindrical kiln, a charging gate formed through one of said faceplates, and an exhaust opening formed through the other of said faceplates.
Claim 3
Dependent Claim
58 words
An incinerator according to claim 1, further comprising an inner drum extending axially through said cylindrical kiln and having a portion projecting outward from one of said faceplates, said inner drum including a water conduit in communication with said cooling water jacket, said inner drum having a plurality of air channels for supplying air into said combustion chamber.
Claim 4
Dependent Claim
50 words
An incinerator according to claim 2, wherein said water conduit includes a plurality of annularly spaced projections of substantially rectangular cross section extending in parallel with one another throughout the length thereof and defining spacings therebetween, and a plurality of bored members closing said spacings to define said air channels.
Claim 5
Dependent Claim
51 words
An incinerator according to claim 2, wherein said air channels communicate with said portion projecting outward from one of said faceplates, said projecting portion having slots, an air duct, a fixed cylindrical enclosure at one end of said air duct, said projecting portion being received with substantial clearance in said enclosure.
Claim 6
Dependent Claim
54 words
An incinerator according to claim 2, including a feed pipe extending axially through said projecting portion, said feed pipe being connected to a source of water supply, a discharge pipe extending outward through the center of said other faceplate, said water conduit having its ends connected to said feed pipe and said discharged pipe.
Claim 7
Dependent Claim
145 words
An incinerator according to claim 5, wherein means are provided for exhausting the steam produced in said water conduit and said cooling jacket, said means comprising a plurality of short exhaust pipes provided at circumferential intervals on said cylindrical kiln in direct communcation with said cooling water jacket, each of said exhaust pipes having an open end provided with a displaceable cap which is secured at one end of a lever supported on a fulcrum, said lever having a weight on the opposite side of said fulcrum, thereby to keep said cap off the open end of the exhaust pipe while the same is above the level of the cooling water within said cylindrical kiln, and guide means for supporting said weight so as to keep the open end of the exhaust pipe securely closed with said cap at and below the cooling water level.
Claim 8
Dependent Claim
38 words
An incinerator according to claim 1, further comprising fins arranged helically on the inner surface of said inner wall of said cylindrical kiln for feeding refuse charged from said gate toward said other faceplate at the opposite end.
Claim 9
Dependent Claim
31 words
An incinerator according to claim 1, including flange means for mounting said gear wheels and said raised rims on said cylindrical kiln for preventing too much heat conduction from said kiln.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |