Refrigeration – Vortex tube – e.g. – ranque
Reexamination Certificate
2007-05-22
2007-05-22
Doerrler, William C (Department: 3744)
Refrigeration
Vortex tube, e.g., ranque
C417S370000, C166S057000, C095S034000, C096S134000
Reexamination Certificate
active
11002501
ABSTRACT:
A compressor fuel gas conditioner for a natural gas well having a compressor which utilizes natural gas from the well as a fuel. The conditioner includes a vortex tube having an inlet to receive compressed natural gas from the compressor, a warm gas outlet for gas which has been heated by circular motion in the vortex tube, and a cool gas outlet for cool gas exiting the vortex tube after passing through the tube wherein the warm gas is returned to an inlet side of the compressor. A salt dryer includes a dryer inlet to receive the cool gas exiting the cool gas outlet of the vortex tube and a dryer outlet to deliver gas from the salt dryer as fuel gas to the compressor.
REFERENCES:
patent: 3296807 (1967-01-01), Fekete
patent: 4026120 (1977-05-01), Tallant
patent: 5582012 (1996-12-01), Tunkel et al.
patent: 6932858 (2005-08-01), Nicol et al.
patent: 6962199 (2005-11-01), Tjeenk Willink
Doerrler William C
Head Johnson & Kachigian
Process Equipment & Service Company, Inc.
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