Patent US3684342A successfully refreshed from Google Patents.
US3307367A
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Control device
Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV
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Filing: 1965-09-23
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Granted: 1967-03-07
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Klipping Gustav
- 👤 Dietrich Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:48
CPC Classifications
F; F17; F17C; F17C6/00; F17C13/00; F17C13/02; F17C13/028; G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/246; G01F23/247; G05; G05D; G05D9/00; G05D9/02; G05D9/12; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A REFILLING SYSTEM FOR LOW BOILING LIQUIDS WHEREIN THE INTERIOR OF A SUPPLY VESSEL SUPPLYING THE LIQUID IS CLOSED BY A CONTROL VALVE IN AN EXHAUST GAS LINE, THE REGULATION OF THE CONTROL VALVE BEING DEPENDENT UPON THE LEVEL OF THE LIQUID IN A WORKING VESSEL, THE BLOCKING OF THE GAS LINE BY THE CLOSING OF THE CONTROL VALVE CAUSING AN EXCESS PRESSURE TO BUILD UP THROUGH THE EVAPORATION OF THE LIQUID WITHIN THE SUPPLY VESSEL, WHEREBY THE EXCESS PRESSURE CAUSES THE LIQUID TO BE CONDUCTED INTO THE WORKING VESSEL, THE IMPROVEMENT COMPRISING: A FINELY ADJUSTABLE THROTTLE MEANS CONNECTED IN FRONT OF THE CONTROL VALVE FOR CONTROLLING THE RATE OF PRESSURE CHANGE IN THE SUPPLY VESSEL WHEN THE CONTROL VALVE IS OPEN.
Claim 2
Dependent Claim
123 words
IN A REFILLING SYSTEM FOR LOW BOILING LIQUIDS WHEREIN THE INTERIOR OF A SUPPLY VESSEL SUPPLYING THE LIQUID IS CLOSED BY A CONTROL VALVE IN AN EXHAUST GAS LINE, THE REGULATION OF THE CONTROL VALVE BEING DEPENDENT UPON THE LEVEL OF THE LIQUID IN A WORKING VESSEL, THE BLOCKING OF THE GAS LINE BY THE CLOSING OF THE CONTROL VALVE CAUSING AN EXCESS PRESSURE TO BUILD UP THROUGH THE EVAPORATION OF THE LIQUID WITHIN THE SUPPLY VESSEL, WHEREBY THE EXCESS PRESSURE CAUSES THE LIQUID TO BE CONDUCTED INTO THE WORKING VESSEL, THE IMPROVEMENT COMPRISING: A FINELY ADJUSTABLE THROTTLE MEANS CONNECTED IN FRONT OF THE CONTROL VALVE FOR CONTROLLING THE RATE OF PRESSURE CHANGE IN THE SUPPLY VESSEL WHEN THE CONTROL VALVE IS OPEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |