US3095710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-surge control for fluid compressor
Assignee: Carrier Corp
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Filing: 1960-05-18
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Granted: 1963-07-02
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Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 William E Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B2700/00; F25B2700/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE METHOD OF CONTROLLING OPERATION OF A COMPRESSOR SUBJECT TO SURGING ACTION IN A REFRIGERATION SYSTEM INCLUDING IN ADDITION TO THE COMPRESSOR A CONDENSER FOR LIQUEFYING REFRIGERANT, AN EVAPORATOR FOR VAPORIZING REFRIGERANT AND MEANS FOR METERING REFRIGERANT FLOW TO SAID EVAPORATOR, WHICH CONSISTS IN THE STEPS OF PROVIDING A PATH OF FLOW FOR REFRIGERANT FROM THE HIGH PRESSURE SIDE OF THE SYSTEM TO THE LOW PRESSURE SIDE OF THE SYSTEM WITHOUT FLOW THROUGH SAID METERING MEANS, CONTROLLING FLOW OF REFRIGERANT IN SAID PATH IN RESPONSE TO A PREDETERMINED DIFFERENCE IN THE TEMPERATURE OF THE GASEOUS REFRIGERANT AT THE INLET OF THE COMPRESSION MEANS AND THE SATURATED TEMPERATURE OF THE GASEOUS REFRIGERANT IN THE EVAPORATOR AS DETERMINED BY A MEASURED CHARACTERISTIC OF THE REFRIGERANT INDICATIVE OF THE SATURATED TEMPERATURE OF THE REFRIGERANT IN THE EVAPORATOR.
Claim 2
Independent Claim
134 words
THE METHOD OF CONTROLLING OPERATION OF A COMPRESSOR SUBJECT TO SURGING ACTION IN A REFRIGERATION SYSTEM INCLUDING IN ADDITION TO THE COMPRESSOR A CONDENSER FOR LIQUEFYING REFRIGERANT, AN EVAPORATOR FOR VAPORIZING REFRIGERANT AND MEANS FOR METERING REFRIGERANT FLOW TO SAID EVAPORATOR, WHICH CONSISTS IN THE STEPS OF PROVIDING A PATH OF FLOW FOR REFRIGERANT FROM THE HIGH PRESSURE SIDE OF THE SYSTEM TO THE LOW PRESSURE SIDE OF THE SYSTEM WITHOUT FLOW THROUGH SAID METERING MEANS, CONTROLLING FLOW OF REFRIGERANT IN SAID PATH IN RESPONSE TO A PREDETERMINED DIFFERENCE IN THE TEMPERATURE OF THE GASEOUS REFRIGERANT AT THE INLET OF THE COMPRESSION MEANS AND THE SATURATED TEMPERATURE OF THE GASEOUS REFRIGERANT IN THE EVAPORATOR AS DETERMINED BY A MEASURED CHARACTERISTIC OF THE REFRIGERANT INDICATIVE OF THE SATURATED TEMPERATURE OF THE REFRIGERANT IN THE EVAPORATOR.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |