Pulverized coal combination burner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Nov 20, 2008
app pub date -
May 8, 2008
filing date -
May 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
Disclosed is a burner for oxidant gasification of pulverized fuels under high pressures of e.g. 80 bar (8 MPa) and temperatures of e.g. 1200 to 1900.degree. C. in reactors with liquid slag removal for oxygen gasification, the individual pulverized fuel supply tubes in the burner are designed such that, while retaining the entry cross-sectional area of the tube, the cross-section makes a systematic transition to a curved rectangular duct matched to the annulus. This means that fuel feeding ends immediately adjacent to the oxidant duct, and the flow rate provided in the feeding element is maintained up to the outlet, thereby ensuring trouble-free flow of the pulverized fuel and reducing the amount of inert gas required for purging the feeding element in the non-operational state.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SIEMENS AKTIENGESELLSCHAFT | 80333 MÜNCHEN |
International Classification(s)

- 2008 Application Filing Year
- F23C Class
- 64 Applications Filed
- 42 Patents Issued To-Date
- 65.63 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Reuther, Christian | Freiberg, DE | 10 | 42 |
# of filed Patents : 10 Total Citations : 42 | |||
Schingnitz, Manfred | Freiberg, DE | 62 | 500 |
# of filed Patents : 62 Total Citations : 500 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F23C Class
- 0 % this patent is cited more than
- 17 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jun 04, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Dec 12, 2017 | I | Issuance | |
Dec 12, 2017 | PD | Priority Date | |
Nov 21, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 31, 2017 | P | Published | |
Apr 25, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SATTLER, MICHAEL;POPOWICZ, GRZEGORZ;DAWIDOWSKI, MACIEJ;AND OTHERS;SIGNING DATES FROM 20170328 TO 20170412;REEL/FRAME:042134/0356 Owner name: HELMHOLTZ ZENTRUM MUNCHEN - DEUTSCHES FORSCHUNGSZE |
Sep 08, 2015 | F | Filing |

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