Cryogenic cooling system
Abstract
Abstract A CRYOGENIC COOLING SYSTEM, OF GENERAL UTILTIY, ADAPTED TO ACHIEVE A HIGH RATE OF COOLING AND CHARACTERIZED BY A CLOSED CIRCUIT INCLUDING A COOLING CHAMBER THROUGH WHICH THERE IS ESTABISHED A CIRCULATING FLOW OF CRYOGEN, SUCH AS VAPORIZED NITROGEN, AN IMPELLER HAVING AN AIR-DRIVEN TURBINE CONNECTED THEREWITH ADAPTED TO IMPART TO THE IMPELLER SELECTED RATES OF ROTATION FOR ACCELERATING THE FLOW OF CRYOGEN TO SELECTED FLOW RATES AS THE CRYOGEN IS CIRCULATED THROUGH THE CHAMBER, AN INJECTOR FOR INJECTING LIQUID CRYOGEN INTO THE ESTABLISHED FLOW, AND AN ATOMIZER FOR ATOMIZING THE INJECTED CRYOGEN, WHEREBY THE CRYOGENIC LIQUID MAY BE ATOMIZED AND VAPORIZED AS IT IS INTRODUCED INTO THE ESTABLISHED FLOW OF CRYOGEN AS IT IS CIRCULATED THROUGH THE COOLING CHAMBER.
Inventors
- 👤 Raymond E Fraze
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |