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US3608311A Expired / Lapsed US ⏱️ 0.0 years remaining

Engine

Assignee: Individual
•
Filing: 1970-04-17
•
Granted: 1971-09-28
•
Expires: 1990-04-17
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Abstract

Abstract D R A W I N G IN A HEAT ENGINE WHERE HEAT IS APPLIED TO A WORKING FLUID CONTAINED IN A CHAMBER TO EXPAND THE FLUID, REMOVING THE HEAT SOURCE WHILE ALLOWING THE FLUID TO EXPAND FURTHER, APPLYING COOLING WHILE COMPRESSING THE WORKING FLUID AND REMOVING THE COOLING WHILE FURTHER COMPRESSING THE FLUID, SAID FLUID DURING SAID EXPANSION BEING APPLIED TO UTILIZATION MEANS TO PERFORM WORK, THE IMPROVEMENT THEREIN COMPRISING: HAVING AT LEAST TWO CHAMBERS WHICH CONTAIN A LIQUID AND A GAS SECTION, HOT AND COLD LINES CONNECTING THE LIQUID SECTIONS TO THE GAS SECTIONS, INCLUDING PUMPING MEANS, HEATING AND COOLING MEANS IN THE RESPECTIVE LINES, FORWARD AND RETURN FLOW PASSAGES COMMUNICATING BETWEEN SAID LIQUID SECTIONS ACROSS ONE-WAY VALVES WHICH ALLOW FLOW INTO THE FORWARD FLOW PASSAGE AND OUT OF THE RETURN FLOW PASSAGE, AND A WORK AREA IN SERIES BETWEEN THE FORWARD AND RETURN PASSAGES, AND, TIMER MEANS COUPLED TO SAID HOT AND COLD LINES TO SEQUENTIALLY ALLOW HOT AND COOL LIQUID TO FLOW FROM LIQUID TO GAS SECTIONS TO CAUSE GAS EXPANSION AND COMPRESSION RESULTING IN A FLOW OF LIQUID OUT OF AT LEAST ONE CHAMBER INTO SAID FORWARD PASSAGE AND/OR OUT OF SAID RETURN PASSAGE INTO AT LEAST ONE CHAMBER ACROSS SAID WORK AREA.

Inventors

  • 👤 John F Roesel Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:16
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/0435

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) 1974-09-27 1975-03-29 1975-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-27 1979-03-29 1979-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-27 1983-03-29 1983-09-28 $7700.00 Window Closed / Lapsed

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