Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Reexamination Certificate
2008-03-25
2008-03-25
Doerrler, William C (Department: 3744)
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
C062S049200, C062S054100
Reexamination Certificate
active
11159743
ABSTRACT:
A densifier is provided which in one embodiment can simultaneously densify two cryogenic liquids at different temperatures. The densifier has an oscillatory power source for generating oscillatory power and a two stage pulse tube refrigerator. The oscillatory power source can be a thermoacoustic heat engine or a mechanical oscillatory power source such as a linear flexure bearing compressor. The first stage densifies a first cryogenic liquid to a first cryogenic temperature, and the second stage densifies a second cryogenic liquid to a second, lower cryogenic temperature. A densified propellant management system also is provided which has a densifier for simultaneously densifying two cryogenic liquids at different temperatures, and a cryogenic temperature probe for measuring the temperature gradient in a cryogenic liquid.
REFERENCES:
patent: 3237421 (1966-03-01), Gifford
patent: 3609982 (1971-10-01), O'Neil et al.
patent: 3994141 (1976-11-01), Schrawer
patent: 4398398 (1983-08-01), Wheatley et al.
patent: 4489553 (1984-12-01), Wheatley et al.
patent: 4953366 (1990-09-01), Swift et al.
patent: 5154062 (1992-10-01), Gaumer, Jr. et al.
patent: 5168710 (1992-12-01), Miyazaki
patent: 5220801 (1993-06-01), Butler et al.
patent: 5269147 (1993-12-01), Ishizaki et al.
patent: 5275002 (1994-01-01), Inoue et al.
patent: 5280710 (1994-01-01), Gaumer et al.
patent: 5301510 (1994-04-01), Glasser
patent: 5303555 (1994-04-01), Chrysler et al.
patent: 5349813 (1994-09-01), Eisinger
patent: 5398515 (1995-03-01), Lak
patent: 5402649 (1995-04-01), Glasser
patent: 5435136 (1995-07-01), Ishizaki et al.
patent: 5488830 (1996-02-01), Burt
patent: 5489202 (1996-02-01), Eisinger
patent: 5519999 (1996-05-01), Harpole et al.
patent: 5561984 (1996-10-01), Godshalk et al.
patent: 5644920 (1997-07-01), Lak et al.
patent: 5647216 (1997-07-01), Garrett
patent: 5705771 (1998-01-01), Flynn et al.
patent: 5711156 (1998-01-01), Matsui et al.
patent: 5791149 (1998-08-01), Dean
patent: 5813234 (1998-09-01), Wighard
patent: 5845498 (1998-12-01), Matsui et al.
patent: 5889456 (1999-03-01), Triebe et al.
patent: 5901556 (1999-05-01), Hofler
patent: 5904046 (1999-05-01), Kawano
patent: 5913888 (1999-06-01), Steinmeyer et al.
patent: 5953920 (1999-09-01), Swift et al.
patent: 5966942 (1999-10-01), Mitchell
patent: 5966943 (1999-10-01), Mitchell
patent: 5983646 (1999-11-01), Grothe et al.
patent: 5996345 (1999-12-01), Hofler
patent: 6021643 (2000-02-01), Swift et al.
patent: 6032464 (2000-03-01), Swift et al.
patent: 6073450 (2000-06-01), Lak et al.
patent: 6116030 (2000-09-01), Story
patent: 6131395 (2000-10-01), Greene et al.
patent: 6151900 (2000-11-01), Lak et al.
patent: 6164078 (2000-12-01), Lak et al.
patent: 6374617 (2002-04-01), Bonaquist et al.
patent: 6425250 (2002-07-01), Acharya et al.
patent: 6453681 (2002-09-01), Lak et al.
patent: 6640553 (2003-11-01), Kotsubo et al.
patent: 6640635 (2003-11-01), Nakatsuka
patent: 7043925 (2006-05-01), Haberbusch
National Institute of Standards and Technology (NEL), Boulder, CO Chemical Engineering Science Div., “Analytical Model for the Refrigeration Power of the Orifice Pulse Tube Refrigerator”. Dec. 1990, cover page and pp. 4-7.
Thomas M. Tomsik, “Performance Tests of a Liquid Hydrogen Propellant Densification Ground Support System for the X33/RLV”, 33rdAIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Jul. 6-9, 1997.
S. Backhaus et al., “A thermoacoustic Stirling heat engine”, NATURE, vol. 399, May 27, 1999, pp. 335-338.
M. M. Fazah, “STS Propellant Densification Feasibility Study Data Book”, NASA Technical Memorandum 108467, Sep. 1994.
D. B. Mann et al., “Liquid-Solid Mixtures of Hydrogen Near the Triple Point”, Cryogenics Division-NBS Institute for Material Research, Boulder, Coorado, pp. 207-217, at least as early as 2000.
E. Cady et al., “Solar Thermal Upper Stage Technology Demonstrator Program”, 32ndAIAA/ASME/SAE/ASEE Joint Propulsion Conference, Jul. 1-3, 1996.
Ray Radebaugh, “Development fo the Pulse Tube Refrigerator as an Efficient and Reliable Cryocooler”, Proc. Institute of Refrigeration (London) 1999-2000.
Eric Marquardt et al., “Design Equations and Scaling Laws for Linear Compressors with Flexure Springs”, Seventh International Cryocooler Conference (Santa Fe, NM) Nov. 17-19, 1992.
Culler Adam John
Haberbusch Mark Steven
Doerrler William C
Pearne & Gordon LLP
Sierra Lobo Inc.
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