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US3568438A Expired / Lapsed US ⏱️ 0.0 years remaining

Synthesis plant

Assignee: Sulzer Escher Wyss AG
•
Filing: 1969-08-04
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Granted: 1971-03-09
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Expires: 1989-08-04
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Abstract

Abstract A SYNTHESIS PLANT HAVING A SYNTHESIS GAS COMPRESSOR, A REACTOR, A CONDENSER AND A CIRCULATING TURBO-COMPRESSOR CONNECTED INTO THE CLOSED CIRCUIT FORMED BY SAID REACTOR AND BY THE GAS SECTION OF SAID CONDENSER. A PRODUCT STEAM TURBINE IS PROVIDED FOR DRIVING SAID CIRCULATING TURBORCOMPRESSOR, WHICH IS PRECEDED BY A HEAT EXCHANGER FOR HEATING THE PRODUCT SERVING AS WORKING MEDIUM FOR SAID PRODUCT STEAM TURBINE, SAID HEAT EXCHANGER BEING ARRANGED AT THE OUTLET SIDE OF SAID REACTOR, THE WORKING MEDIUM THUS BEING HEATED WITH PROCESS HEAT, SAID PRODUCT STEAM TURBINE AND SAID CIRCULATING TURBO-COMPRESSOR BEING ARRANGED IN A COMMON HOUSING AND BEING DIRECTLY COUPLED THROUGH A COMMON SHAFT, AND THE BEARINGS OF SAID COMMON SHAFT BEING LUBRICATED WITH PROCESS MEDIUM, I.E. WITH SYNTHESIS GAS OR WITH PRODUCT.

Inventors

  • 👤 Hans Meienberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 00:05
CPC Classifications
F; F01; F01K; F01K25/00; F01K25/08; F01K25/10; F01K25/106; F01D; F01D15/00; F01D15/08; F01D25/00; F01D25/18; F01D25/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-03-08 1974-09-07 1975-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-08 1978-09-07 1979-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-08 1982-09-07 1983-03-09 $7700.00 Window Closed / Lapsed

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