US3072318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for converting a refrigeration compressor for use in a plural compressor refrigeration installation
Assignee: Worthington Corp
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Filing: 1961-06-16
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Granted: 1963-01-08
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 Richard K Berger
- 👤 Andrew J Nicholas
- 👤 David N Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:43
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002; F25B2400/00; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
MEANS FOR CONVERTING A REFRIGERATION COMPRESSOR FOR USE IN A PLURAL COMPRESSOR REFRIGERATION INSTALLATION, EACH OF THE COMPRESSORS COMPRISING A CASING HAVING A PARTITION THEREIN FOR DIVIDING THE CASING INTO A SUCTION AND CRANKCASE COMPARTMENT, MEANS IN EACH COMPRESSOR FORMING A DISCHARGE COMPARTMENT, A LUBRICATION SYSTEM DISPOSED IN EACH OF SAID COMPRESSORS AND INCLUDING A PUMP HAVING AN INLET AND OUTLET, THE INLET OF SAID PUMP BEING CONNECTED TO ITS RESPECTIVE CRANKCASE COMPARTMENT, VENT MEANS IN THE PARTITION OF EACH COMPRESSOR, PORT MEANS IN EACH COMPRESSOR PROVIDING COMMUNICATION BETWEEN THE SUCTION AND CRANKCASE COMPARTMENTS AND SAID PORT MEANS TO MAINTAIN A PRESSURE IN SAID CRANKCASE COMPARTMENT TO PERMIT LUBRICANT TO FLOW FROM SAID SUCTION COMPARTMENT TO SAID CRANKCASE COMPARTMENT, SAID MEANS FOR CONVERTING SAID COMPRESSORS FOR USE IN A PLURAL COMPRESSOR REFRIGERATION INSTALLATION COMPRISING A SUCTION CONDUIT INTERCONNECTING EACH OF THE SUCTION COMPARTMENTS AND SAID SUCTION CONDUIT CONNECTED TO THE LOW SIDE OF THE REFRIGERATION INSTALLATION, A DISCHARGE CONDUIT INTERCONNECTING EACH OF THE DISCHARGE COMPARTMENTS AND SAID DISCHARGE CONDUIT CONNECTED TO THE HIGH SIDE OF SAID RE-
Claim 2
Dependent Claim
177 words
MEANS FOR CONVERTING A REFRIGERATION COMPRESSOR FOR USE IN A PLURAL COMPRESSOR REFRIGERATION INSTALLATION, EACH OF THE COMPRESSORS COMPRISING A CASING HAVING A PARTITION THEREIN FOR DIVIDING THE CASING INTO A SUCTION AND CRANKCASE COMPARTMENT, MEANS IN EACH COMPRESSOR FORMING A DISCHARGE COMPARTMENT, A LUBRICATION SYSTEM DISPOSED IN EACH OF SAID COMPRESSORS AND INCLUDING A PUMP HAVING AN INLET AND OUTLET, THE INLET OF SAID PUMP BEING CONNECTED TO ITS RESPECTIVE CRANKCASE COMPARTMENT, VENT MEANS IN THE PARTITION OF EACH COMPRESSOR, PORT MEANS IN EACH COMPRESSOR PROVIDING COMMUNICATION BETWEEN THE SUCTION AND CRANKCASE COMPARTMENTS AND SAID PORT MEANS TO MAINTAIN A PRESSURE IN SAID CRANKCASE COMPARTMENT TO PERMIT LUBRICANT TO FLOW FROM SAID SUCTION COMPARTMENT TO SAID CRANKCASE COMPARTMENT, SAID MEANS FOR CONVERTING SAID COMPRESSORS FOR USE IN A PLURAL COMPRESSOR REFRIGERATION INSTALLATION COMPRISING A SUCTION CONDUIT INTERCONNECTING EACH OF THE SUCTION COMPARTMENTS AND SAID SUCTION CONDUIT CONNECTED TO THE LOW SIDE OF THE REFRIGERATION INSTALLATION, A DISCHARGE CONDUIT INTERCONNECTING EACH OF THE DISCHARGE COMPARTMENTS AND SAID DISCHARGE CONDUIT CONNECTED TO THE HIGH SIDE OF SAID RE-
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |