US3182901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Westinghouse Electric Corp
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Filing: 1963-11-12
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Granted: 1965-05-11
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:14
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/02; F04B39/0223; F04B39/023; F04B39/0238; F04B39/0246; F04B39/0027; F04B39/0077; F16; F16N; F16N39/00; F16N39/002; F16N7/00; F16N7/36; F16N7/366; F25; F25B; F25B31/00; F25B31/002; F16N2210/00; F16N2210/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
IN A LUBRICATION SYSTEM FOR THE BEARINGS OF A REFRIGERANT MOTOR-COMPRESSOR UNIT HERMETICALLY SEALED IN A SHELL WITH A BODY OF LIQUID LUBRICANT: A VERTICALLY-DISPOSED SHAFT ADAPTED TO BE MOUNTED IN SAID BEARING FOR ROTATION RELATIVE THERETO WITH ITS LOWER TERMINAL PORTION SUBMERGED IN THE BODY OF LUBRICANT SAID SHAFT HAVING A VERTICAL LUBRICANT-CONDUCTING PASSAGE THEREIN PARALLEL TO, A BUT SPACED FROM, THE AXIS OF ROTATION OF SAID SHAFT, AND HAVING LATERAL PASSAGES FOR CONDUCTING LUBRICANT FROM SAID VERTICAL PASSAGE TO SAID BEARINGS, SAID SHAFT ALSO HAVING IN ITS SUBMERGIBLE LOWER TERMINAL PORTION A LATERAL PASSAGE FOR CONDUCTING LUBRICANT TO THE LOWER END OF SAID VERTICAL LUBRICANT-CONDUCTING PASSAGE UNDER CENTRIFUGAL PRESSURE, AND SAID SHAFT HAVING A PASSAGE COAXIAL WITH ITS AXIS OF ROTATION OPENING THROUGH THE LOWER END OF THE SHAFT FOR COMMUNICATION WITH THE BODY OF LUBRICANT; SAID COAXIAL PASSAGE EXTENDING UPWARDLY IN SAID SHAFT TO A REGION THEREOF WHICH WILL BE ABOVE THE SURFACE OF SAID BODY OF LUBRICANT, AND HAVING A LATERAL BRANCH PASSAGE TO THE SPACE WITHIN THE SHELL FOR DISCHARGE OF REFRIGERANT GAS SEPARATE FROM LUBRICANT ENTERING THE COAXIAL PASSAGE AND MEANS FOR REDUCING THE PRESSURE IN THAT PORTION OF SAID SPACE WITHIN THE SHELL WHICH IS AT THE OUTLET OF SAID LATERAL BRANCH PASSAGE.
Claim 2
Dependent Claim
210 words
IN A LUBRICATION SYSTEM FOR THE BEARINGS OF A REFRIGERANT MOTOR-COMPRESSOR UNIT HERMETICALLY SEALED IN A SHELL WITH A BODY OF LIQUID LUBRICANT: A VERTICALLY-DISPOSED SHAFT ADAPTED TO BE MOUNTED IN SAID BEARING FOR ROTATION RELATIVE THERETO WITH ITS LOWER TERMINAL PORTION SUBMERGED IN THE BODY OF LUBRICANT SAID SHAFT HAVING A VERTICAL LUBRICANT-CONDUCTING PASSAGE THEREIN PARALLEL TO, A BUT SPACED FROM, THE AXIS OF ROTATION OF SAID SHAFT, AND HAVING LATERAL PASSAGES FOR CONDUCTING LUBRICANT FROM SAID VERTICAL PASSAGE TO SAID BEARINGS, SAID SHAFT ALSO HAVING IN ITS SUBMERGIBLE LOWER TERMINAL PORTION A LATERAL PASSAGE FOR CONDUCTING LUBRICANT TO THE LOWER END OF SAID VERTICAL LUBRICANT-CONDUCTING PASSAGE UNDER CENTRIFUGAL PRESSURE, AND SAID SHAFT HAVING A PASSAGE COAXIAL WITH ITS AXIS OF ROTATION OPENING THROUGH THE LOWER END OF THE SHAFT FOR COMMUNICATION WITH THE BODY OF LUBRICANT; SAID COAXIAL PASSAGE EXTENDING UPWARDLY IN SAID SHAFT TO A REGION THEREOF WHICH WILL BE ABOVE THE SURFACE OF SAID BODY OF LUBRICANT, AND HAVING A LATERAL BRANCH PASSAGE TO THE SPACE WITHIN THE SHELL FOR DISCHARGE OF REFRIGERANT GAS SEPARATE FROM LUBRICANT ENTERING THE COAXIAL PASSAGE AND MEANS FOR REDUCING THE PRESSURE IN THAT PORTION OF SAID SPACE WITHIN THE SHELL WHICH IS AT THE OUTLET OF SAID LATERAL BRANCH PASSAGE.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |