US3173273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vortex tube
Assignee: Individual
•
Filing: 1962-11-27
•
Granted: 1965-03-16
•
Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Charles D Fulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/06; C03B27/062; C03B27/0404; F; F25; F25B; F25B9/00; F25B9/02; F25B9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A VORTEX TUBE APPARATUS FOR COOLING A FLUID FLOWING CONTINUOUSLY THERETHROUGH COMPRISING A HOUSING BODY HAVING AN OPENING FOR ADMITTING A GAS, A VORTEX GENERATOR SUPPORTED IN SAID BODY AND RECEIVING SAID GAS, SAID GENERATOR HAVING A PLURALITY OF NOZZLES AND A CIRCULAR VORTEX CAVITY INTO WHICH SAID NOZZLES DISCHARGE SAID GAS TANGENTIALLY, A SEAL AT ONE END OF SAID VORTEX CAVITY, A DISCHARGE LINE COMMUNICATING WITH THE OTHER END OF SAID VORTEX CAVITY, AND A SMALLER LINE FOR RECEIVING SAID FLUID TO BE COOLED PASSING COAXIALLY THROUGH SAID DISCHARGE LINE, VORTEX CAVITY AND SEAL.
Claim 2
Dependent Claim
95 words
A VORTEX TUBE APPARATUS FOR COOLING A FLUID FLOWING CONTINUOUSLY THERETHROUGH COMPRISING A HOUSING BODY HAVING AN OPENING FOR ADMITTING A GAS, A VORTEX GENERATOR SUPPORTED IN SAID BODY AND RECEIVING SAID GAS, SAID GENERATOR HAVING A PLURALITY OF NOZZLES AND A CIRCULAR VORTEX CAVITY INTO WHICH SAID NOZZLES DISCHARGE SAID GAS TANGENTIALLY, A SEAL AT ONE END OF SAID VORTEX CAVITY, A DISCHARGE LINE COMMUNICATING WITH THE OTHER END OF SAID VORTEX CAVITY, AND A SMALLER LINE FOR RECEIVING SAID FLUID TO BE COOLED PASSING COAXIALLY THROUGH SAID DISCHARGE LINE, VORTEX CAVITY AND SEAL.
References Cited (Backward Citations)
BE556867A
Cited
US2187217A
Cited
US2581168A
Cited
US2661965A
Cited
US2839900A
Cited
US2802530A
Cited
US2893214A
Cited
US2955432A
Cited
US2979776A
Cited
US3057166A
Cited
US3074243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |