Magnetically Actuated Seal

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$599,959.00
Award Year:
2011
Program:
SBIR
Phase:
Phase II
Contract:
NNX11CC04C
Agency Tracking Number:
094425
Solicitation Year:
2009
Solicitation Topic Code:
X10.01
Solicitation Number:
n/a
Small Business Information
Florida Turbine Technologies, Inc.
FL, Jupiter, FL, 33458-7887
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
Y
Duns:
048159342
Principal Investigator:
Alex Pinera
Principal Investigator
(561) 427-6277
APinera@fttinc.com
Business Contact:
Lloyd Mazer
Business Official
(561) 561-6337
lmazer@fttinc.com
Research Institution:
Stub




Abstract
FTT proposes development of a magnetically actuated dynamic seal. Dynamic seals are used throughout the turbopump in high-performance, pump-fed, liquid rocket engines for a variety of purposes. The most common applications are in the lift-off seal (LOS), inter-propellant seal (IPS), and balance piston seals?high-pressure orifice (HPO), low-pressure orifice (LPO), and inner diameter impeller shroud seal (eye seal). The system solution for conventional seals represents a compromise between the turbopump mechanical design, primarily flowpath, and secondary flowpath design that results in increased leakage, increased seal wear, and reduced balance piston load capacity that reduces performance, throttle-ability, thrust-to-weight, reliability, and operability. The magnetically actuated seal eliminates this compromise and provides significant improvement in performance, throttle-ability, thrust-to-weight, reliability, and operability. Phase 1 resulted in a significant advancement of the technology by demonstrating a magnetically actuated face seal in both ambient and cryogenic conditions, characterizing the seal and actuator performance, and quantifying the performance improvements for the turbopump and engine. Phase 2 will advance the technology from TRL 3 to 5. The technology is applicable to booster engines, in-space engines, and ascent/descent engines.

* information listed above is at the time of submission.

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