Heat exchange apparatus
Abstract
Abstract A HEAT EXCHANGE APPARATUS FOR A CATALYTIC SYSTEM COMPRISING A CLOSED CYLINDRICAL VESSEL CONTAINING AN AXIAL SPINE WHICH EXTENDS SUBSTANTIALLY THE LENGTH OF SAID VESSEL AND A HEAT EXCHANGE MEANS WHICH IS EMBEDDED IN CATALYST WITHIN SAID VESSEL, AND IS SUPPORTED BY SAID AXIAL SPINE ON A REMOVABLE UNIT AND IS IN COMMUNICATION THEREWITH. FRESH FEED GAS IS INTRODUCED INTO AND DISCHARGED FROM SAID HEAT EXCHANGE MEANS BY WAY OF SAID AXIAL SPINE, FINALLY BEING DISCHARGED INTO A CHAMBER AT THE BOTTOM OF THE VESSEL. THE PREHEATED FEED GAS STREAM IS THEN PASSED FORM THE BOTTOM OF THE CHAMBER UP THROUGH THE CATALYST ON THE OUTSIDE OF SAID HEAT EXCHANGE MEANS IN DIRECT CONCURRENT HEAT EXCHANGE WITH THE FRESH FEED GAS FLOWING WITHIN THE HEAT EXCHANGE MEANS AND IS FINALLY DISCHARGED FROM AN EXIT PORT IN THE TOP HEAD OF THE VESSEL.
Inventors
- 👤 James R Muenger
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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |