Patent US4272260A successfully refreshed from Google Patents.
US4272260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tornado-type separator
Assignee: Kraftwerk Union AG
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Filing: 1979-05-07
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Granted: 1981-06-09
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Expires: 1999-05-07
Abstract
Abstract In a tornado-flow vortex generator for separating particulates from gases, having a cylindrical vortex chamber, an inlet tube for raw gas coaxially disposed in the vortex chamber and terminating in a nozzle for providing an advance rotation in a flow of the raw gas therethrough, a hopper diaphragm surrounding the inlet tube and formed, in vicinity of the vortex-chamber casing, with an annular particulate-discharge slot communicating with a space within a hopper, a clean-gas outlet disposed in the vortex chamber spaced from and opposite the raw-gas inlet tube, an auxiliary-gas outlet surrounding the clean-gas outlet, and an auxiliary-gas inlet disposed at the vortex-chamber casing for blowing auxiliary gas into the vortex chamber at an inclination and tangentially to the casing thereof and connected by a blower to the auxiliary-gas outlet, the improvement includes a line having valve means and connecting the hopper space with a location of the vortex generator at which a pressure exists which is lower than the pressure in the hopper space.
Inventors
- 👤 Heinrich Klein
- 👤 Rudolf Pieper
- 👤 Eduard Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:52
CPC Classifications
B; B04; B04C; B04C3/00; B04C5/00; B04C5/24; B04C5/30; B04C7/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
187 words
In a tornado-flow vortex generator assembly for separating particulates from gases, having a plurality of parts including a cylindrical vortex chamber, an inlet tube for raw gas coaxially disposed in the vortex chamber and terminating in a nozzle for providing an advance rotation in a flow of the raw gas therethrough, a hopper connected to the vortex chamber, a hopper diaphragm surrounding the inlet tube and positioned in the vicinity of the vortex-chamber casing, with an annular particulate-discharge slot communicating with a space within the hopper wherein a given pressure exists, a clean-gas outlet disposed in the vortex chamber spaced from and opposite the raw gas inlet tube, an auxiliary-gas outlet surrounding the clean-gas outlet, and an auxiliary-gas inlet disposed at the vortex-chamber casing for blowing auxiliary gas into the vortex chamber at an inclination and tangentially to the casing thereof and connected by a blower to the auxiliary-gas outlet, the improvement comprising means for connecting to the hopper space a pressure source having a pressure lower than the given pressure existing in the hopper space, said means comprising a line having a control valve connected therein.
Claim 2
Dependent Claim
187 words
In a tornado-flow vortex generator assembly for separating particulates from gases, having a plurality of parts including a cylindrical vortex chamber, an inlet tube for raw gas coaxially disposed in the vortex chamber and terminating in a nozzle for providing an advance rotation in a flow of the raw gas therethrough, a hopper connected to the vortex chamber, a hopper diaphragm surrounding the inlet tube and positioned in the vicinity of the vortex-chamber casing, with an annular particulate-discharge slot communicating with a space within the hopper wherein a given pressure exists, a clean-gas outlet disposed in the vortex chamber spaced from and opposite the raw gas inlet tube, an auxiliary-gas outlet surrounding the clean-gas outlet, and an auxiliary-gas inlet disposed at the vortex-chamber casing for blowing auxiliary gas into the vortex chamber at an inclination and tangentially to the casing thereof and connected by a blower to the auxiliary-gas outlet, the improvement comprising means for connecting to the hopper space a pressure source having a pressure lower than the given pressure existing in the hopper space, said means comprising a line having a control valve connected therein.
Claim 3
Dependent Claim
16 words
Tornado-flow vortex generator according to claim 1 wherein said pressure source is the raw-gas inlet tube.
Claim 4
Dependent Claim
24 words
Tornado-flow vortex generator according to claim 2 including a suction blower connected in said line connecting the hopper space to the raw-gas inlet tube.
Claim 5
Dependent Claim
18 words
Tornado-flow vortex generator according to claim 1 wherein said pressure source is the suction side of the blower.
Claim 6
Dependent Claim
25 words
Tornado-flow vortex generator according to claim 1 including an auxiliary dust separator through which said line extends, said auxiliary dust separator being said pressure source.
Claim 7
Dependent Claim
24 words
Tornado-flow vortex generator according to claim 1 wherein said line has an enlarged cross-sectional area at an inlet location thereof to the hopper space.
Claim 8
Dependent Claim
40 words
Tornado-flow vortex generator according to claim 1 wherein said hopper includes a hopper part disposed laterally of the annular particulate-discharge slot and communicating with the space within the other part of the hopper, said line terminating in said hopper part.
Claim 9
Dependent Claim
22 words
Tornado-flow vortex generator according to claim 7 including protective partitioning means for separating the lateral hopper part from the other hopper part.
Claim 10
Dependent Claim
16 words
Tornado-flow vortex generator according to claim 8 wherein said protective partitioning means comprise a protective screen.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-08 | 1984-12-08 | 1985-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-08 | 1988-12-08 | 1989-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-08 | 1992-12-08 | 1993-06-09 | $7700.00 | Window Closed / Lapsed |