Multi-height ramp injector scramjet combustor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Mar 13, 2008
app pub date -
Sep 7, 2006
filing date -
Sep 7, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A multi-height ramp injection system, for use in a supersonic propulsion system, comprises a plurality of multi-height ramp injectors for variably introducing a fuel into an airflow in a combustor. In one embodiment of the invention, the multi-height ramp injectors comprise a plurality of tall injectors for fueling an inner portion of the airflow, and a plurality of short injectors for fueling an outer portion of the airflow.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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PRATT & WHITNEY ROCKETDYNE INC | 6633 CANOGA AVENUE CANOGA PARK CA 91309 |
International Classification(s)

- 2006 Application Filing Year
- F02K Class
- 215 Applications Filed
- 162 Patents Issued To-Date
- 75.35 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Edelman, Raymond B | Woodland Hills, CA | 9 | 266 |
# of filed Patents : 9 Total Citations : 266 | |||
Morrison, Calvin Q | Thousand Oaks, CA | 3 | 23 |
# of filed Patents : 3 Total Citations : 23 |
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Patent Citation Ranking
- 11 Citation Count
- F02K Class
- 63.33 % this patent is cited more than
- 17 Age
Forward Cite Landscape
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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 |
---|---|---|---|
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 |
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