US3070977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system, including oil separator and muffler unit and oil return arrangement
Assignee: Heat X Inc
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Filing: 1961-03-31
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Granted: 1963-01-01
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Kimmel
- 👤 Rafael R Bawabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:51
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/02; F25B2500/00; F25B2500/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN THE ART OF REFRIGERATION, THE STEPS OF, DISCHARGING REFRIGERANT WITH ACCOMPANYING OIL FROM THE COMPRESSOR TO AN OIL SEPARATING ZONE, SUCCESSIVELY CHANGING THE FLOW AND PRESSURE CONDITIONS IN THE FLOWING STREAM TO SEPARATE THE OIL FROM THE REFRIGERANT, PASSING THE OIL-FREE REFRIGERANT TO A CONDENSING ZONE, AND DISCHARGING THE OIL FROM THE OIL SEPARATING ZONE THROUGH AN ORIFICE OF SUCH SIZE THAT GAS FLOWING THERETHROUGH PRODUCES A "PRESSURE SHOCK" CONDITION WHEREBY NO SIGNIFICANT AMOUNT OF REFRIGERANT GAS FLOWS THROUGH THE ORIFICE, EVEN WHEN NO OIL IS FLOWING.
Claim 2
Dependent Claim
88 words
IN THE ART OF REFRIGERATION, THE STEPS OF, DISCHARGING REFRIGERANT WITH ACCOMPANYING OIL FROM THE COMPRESSOR TO AN OIL SEPARATING ZONE, SUCCESSIVELY CHANGING THE FLOW AND PRESSURE CONDITIONS IN THE FLOWING STREAM TO SEPARATE THE OIL FROM THE REFRIGERANT, PASSING THE OIL-FREE REFRIGERANT TO A CONDENSING ZONE, AND DISCHARGING THE OIL FROM THE OIL SEPARATING ZONE THROUGH AN ORIFICE OF SUCH SIZE THAT GAS FLOWING THERETHROUGH PRODUCES A "PRESSURE SHOCK" CONDITION WHEREBY NO SIGNIFICANT AMOUNT OF REFRIGERANT GAS FLOWS THROUGH THE ORIFICE, EVEN WHEN NO OIL IS FLOWING.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |