US3229472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for pumping and vaporizing liquefied gas
Assignee: Union Carbide Corp
•
Filing: 1964-05-15
•
Granted: 1966-01-18
•
Expires: 1984-05-15
Abstract
No abstract record available.
Inventors
- 👤 Edward W Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:32
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0107; F17C2221/00; F17C2221/03; F17C2221/038; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/03; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN THE METHOD OF PUMPING A LIQUEFIED GAS TO A HIGH PRESSURE WHEREIN A LIQUEFIED GAS PUMP IS DRIVEN BY AN INTERNAL COMBUSTION ENGINE HAVING A COOLANT JACKET, THE IMPROVEMENT WHICH COMPRISES VAPORIZING SUCH LIQUIFIED GAS AND WARMING IT TO ABOVE ITS LIQUEFACTION TEMPERATURE BY ABSORBING HEAT FROM SAID COOLANT JACKET, HEAT FROM THE EXHAUST GASES FROM SAID ENGINE, AND HEAT FROM A FRICTIONAL BRAKING DEVICE DRIVEN BY SAID ENGINE, AND TRANSFERRING A SUBSTANTIAL PORTION OF SUCH ABSORBED HEAT INTO SUCH LIQUIFIED GAS.
Claim 2
Dependent Claim
83 words
IN THE METHOD OF PUMPING A LIQUEFIED GAS TO A HIGH PRESSURE WHEREIN A LIQUEFIED GAS PUMP IS DRIVEN BY AN INTERNAL COMBUSTION ENGINE HAVING A COOLANT JACKET, THE IMPROVEMENT WHICH COMPRISES VAPORIZING SUCH LIQUIFIED GAS AND WARMING IT TO ABOVE ITS LIQUEFACTION TEMPERATURE BY ABSORBING HEAT FROM SAID COOLANT JACKET, HEAT FROM THE EXHAUST GASES FROM SAID ENGINE, AND HEAT FROM A FRICTIONAL BRAKING DEVICE DRIVEN BY SAID ENGINE, AND TRANSFERRING A SUBSTANTIAL PORTION OF SUCH ABSORBED HEAT INTO SUCH LIQUIFIED GAS.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |