Patent US3243101A successfully refreshed from Google Patents.
US3243101A
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Compressor lubrication system
Assignee: Carrier Corp
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Filing: 1964-11-25
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Granted: 1966-03-29
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Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 David N Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/128; F04B39/02; F04B39/0207; F04B41/00; F04B41/06; F25; F25B; F25B31/00; F25B31/002; F25B2400/00; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A HERMETIC MOTOR COMPRESSOR, THE COMBINATION OF A HOUSING, PARTITION MEANS SEPARATING SAID HOUSING INTO A CRANKCASE COMPARTMENT AND A SUCTION COMPARTMENT ADAPTED TO COMMUNICATE WITH A SOURCE OF SUCTION GAS, COMPRESSION MEANS IN SAID CRANKCASE COMPARTMENT, DRIVE MEANS INCLUDING A CRANKSHAFT FOR SAID COMPRESSION MEANS, SAID COMPRESSOR HAVING A PASSAGE CONNECTING SAID CRANKCASE COMPARTMENT WITH SAID SUCTION COMPARTMENT, AND VALVE CONTROL MEANS FOR SAID PASSAGE EFFECTIVE WHEN PRESSURE CONDITIONS ON THE SUCTION SIDE THEREOF EXCEED PRESSURE CONDITIONS ON THE CRANKCASE SIDE THEREOF TO CLOSE SAID PASSAGE.
Claim 2
Dependent Claim
88 words
IN A HERMETIC MOTOR COMPRESSOR, THE COMBINATION OF A HOUSING, PARTITION MEANS SEPARATING SAID HOUSING INTO A CRANKCASE COMPARTMENT AND A SUCTION COMPARTMENT ADAPTED TO COMMUNICATE WITH A SOURCE OF SUCTION GAS, COMPRESSION MEANS IN SAID CRANKCASE COMPARTMENT, DRIVE MEANS INCLUDING A CRANKSHAFT FOR SAID COMPRESSION MEANS, SAID COMPRESSOR HAVING A PASSAGE CONNECTING SAID CRANKCASE COMPARTMENT WITH SAID SUCTION COMPARTMENT, AND VALVE CONTROL MEANS FOR SAID PASSAGE EFFECTIVE WHEN PRESSURE CONDITIONS ON THE SUCTION SIDE THEREOF EXCEED PRESSURE CONDITIONS ON THE CRANKCASE SIDE THEREOF TO CLOSE SAID PASSAGE.
References Cited (Backward Citations)
DE624770C
Cited
US3082937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |