US3081935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal oil separating and antislugging device for refrigeration compressors
Assignee: Tecumseh Products Co
•
Filing: 1959-11-12
•
Granted: 1963-03-19
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Geisenhaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002; F25B31/02; Y; Y10; Y10S; Y10S417/00; Y10S417/902; Y10S494/00; Y10S494/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A REFRIGERATING APPARATUS WHEREIN A GASEOUS REFRIGERANT IS COMPRESSED, LIQUIFIED, AND EVAPORATED IN EACH CYCLE OF OPERATION OF THE APPARATUS, THE COMBINATION OF A MECHANICAL COMPRESSOR FOR COMPRESSING THE GASEOUS REFRIGERANT AND HAVING AN INTAKE CONDUIT, AN ELECTRIC MOTOR DISPOSED ADJACENT SAID COMPRESSOR AND HAVING STATOR WINDINGS AND A ROTOR CONNECTED IN DRIVING RELATION WITH SAID COMPRESSOR, A HERMETICALLY SEALED HOUSING ADAPTED TO RECEIVE THE GASEOUS REFRIGERANT AND SURROUNDING SAID MOTOR AND COMPRESSOR TO THEREBY ENCLOSE SAID MOTOR AND COMPRESSOR AND TO FORM A LOW PRESSURE COLLECTING CHAMBER FOR THE GASEOUS REFRIGERANT, MEANS IN THE LOW PRESSURE CHAMBER OF THE HOUSING FOR LUBRICATING THE COMPRESSOR INCLUDING AN OPEN SUMP ARRANGED TO CONTAIN OIL, AND A CENTRIFUGE MOUNTED ADJACENT SAID STATOR WINDINGS AT THE END THEREOF REMOTE FROM SAID COMPRESSOR FOR ROTATION WITH SAID ROTOR, SAID CENTRIFUGE COMPRISING A HOLLOW BODY HAVING A PAIR OF WALLS SPACED APART ALONG THE AXIS OF RO-
Claim 2
Dependent Claim
153 words
IN A REFRIGERATING APPARATUS WHEREIN A GASEOUS REFRIGERANT IS COMPRESSED, LIQUIFIED, AND EVAPORATED IN EACH CYCLE OF OPERATION OF THE APPARATUS, THE COMBINATION OF A MECHANICAL COMPRESSOR FOR COMPRESSING THE GASEOUS REFRIGERANT AND HAVING AN INTAKE CONDUIT, AN ELECTRIC MOTOR DISPOSED ADJACENT SAID COMPRESSOR AND HAVING STATOR WINDINGS AND A ROTOR CONNECTED IN DRIVING RELATION WITH SAID COMPRESSOR, A HERMETICALLY SEALED HOUSING ADAPTED TO RECEIVE THE GASEOUS REFRIGERANT AND SURROUNDING SAID MOTOR AND COMPRESSOR TO THEREBY ENCLOSE SAID MOTOR AND COMPRESSOR AND TO FORM A LOW PRESSURE COLLECTING CHAMBER FOR THE GASEOUS REFRIGERANT, MEANS IN THE LOW PRESSURE CHAMBER OF THE HOUSING FOR LUBRICATING THE COMPRESSOR INCLUDING AN OPEN SUMP ARRANGED TO CONTAIN OIL, AND A CENTRIFUGE MOUNTED ADJACENT SAID STATOR WINDINGS AT THE END THEREOF REMOTE FROM SAID COMPRESSOR FOR ROTATION WITH SAID ROTOR, SAID CENTRIFUGE COMPRISING A HOLLOW BODY HAVING A PAIR OF WALLS SPACED APART ALONG THE AXIS OF RO-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |