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US3200581A Expired / Lapsed US ⏱️ 0.0 years remaining

Method, system and apparatus for starting a fluid engine

Assignee: Cleveland Pneumatic Industries Inc
•
Filing: 1962-09-10
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Granted: 1965-08-17
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Expires: 1982-09-10
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Abstract

No abstract record available.

Inventors

  • 👤 Stanley A Weiland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:42
CPC Classifications
F; F02; F02N; F02N9/00; F02N9/04; F02G; F02G1/00; F02G1/04; F25; F25B; F25B9/00; F25B9/002; F25B9/004

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 169 words
IN A SYSTEM HAVING A WORKING FLUID TRAVERSING A THERMODYNAMIC OF COMPRESSION, HEATING, EXPANSION AND COOLING STAGES, A FLUID ENGINE PROVIDED WITH A WORKING FLUID COMPRESSION CHAMBER AND A WORKING FLUID EXPANSION CHAMBER, CONDUIT MEANS FOR CONNECTING THE CHAMBERS OF THE ENGINE TOGETHER, HEATING MEANS ASSOCIATED WITH THE CONDUIT MEANS FOR HEATING SUCH WORKING FLUID, MEANS FOR CONTROLLING THE OPERATION AND SPEED OF THE ENGINE BY VARIABLY BYPASSING THE WORKING FLUID BY THE COOLING STAGE OF THE SYSTEM, MEANS FOR VARYING THE VOLUME OF THE COMPRESSIN CHAMBER OF THEENGINE TO COMPENSATE FOR TEMPERATURE VARIATIONS AND DIFFERENT WORKING FLUIDS, AND APPARATUS FOR RE-STARTING THE ENGINE AFTER SHUT DOWN, SAID APPARATUS COMPRISING, AN ARRANGEMENT CONNECTED TO THE CIRCUIT MEANS AT A LOCATION THEREALONG WHICH IS BETWEEN THE COMPRESSION CHAMBER OF THE ENGINE AND THE HEATING MEANS FOR RECEIVING AND STORING A QUANTITY OF COMPRESSED WORKING FLUID WHILE THE ENGINE IS RUNNING AND FOR RELEASING THE QUANTITY OF STORED COMPRESSED WORKING FLUID AFTER THE ENGINE HAS BEEN STOPPED TO RE-START THE ENGINE.

References Cited (Backward Citations)

US324060A Cited
US459501A Cited
US1879563A Cited
US1895082A Cited
US2067453A Cited
US2602288A Cited
US2643508A Cited
US2746241A Cited
US3009315A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-16 1969-02-15 1969-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-16 1973-02-15 1973-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-16 1977-02-15 1977-08-17 $7700.00 Window Closed / Lapsed

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