US3099140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system and control
Assignee: Sporlan Valve Co
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Filing: 1961-02-20
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Granted: 1963-07-30
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 John G Leimbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:29
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A REFRIGERATION SYSTEM, A COMPRESSOR, A CONDENSER CONNECTED TO SAID COMPRESSOR, A LIQUID LINE LEADING FROM SAID CONDENSER, AN EVAPORATOR, MEANS IN SAID LIQUID LINE FOR DELIVERING EXPANDED REFRIGERANT TO SAID EVAPORATOR, A SUCTION LINE CONNECTING SAID EVAPORATOR TO SAID COMPRESSOR, A LAST SAID MEANS INCLUDING A BULB LOCATED IN THERMAL SENSING RELATION TO THE SUCTION LINE AT THE EVAPORATOR OUTLET FOR CONTROLLING FLOW TO SAID EVAPORATOR, A BY-PASS LINE INTERCONNECTING THE LIQUID LINE WITH THE SUCTION LINE AHEAD OF THE LAST SAID BULB, A VALVE IN SAID BYPASS LINE FOR CONTROLLING FLOW THERETHROUGH, AND A MOTOR MEANS OPERATIVELY CONNECTED TO SAID VALVE TO CONTROL OPERATION OF SAID VALVE, THE MOTOR MEANS INCLUDING A FIRST
Claim 2
Dependent Claim
116 words
IN A REFRIGERATION SYSTEM, A COMPRESSOR, A CONDENSER CONNECTED TO SAID COMPRESSOR, A LIQUID LINE LEADING FROM SAID CONDENSER, AN EVAPORATOR, MEANS IN SAID LIQUID LINE FOR DELIVERING EXPANDED REFRIGERANT TO SAID EVAPORATOR, A SUCTION LINE CONNECTING SAID EVAPORATOR TO SAID COMPRESSOR, A LAST SAID MEANS INCLUDING A BULB LOCATED IN THERMAL SENSING RELATION TO THE SUCTION LINE AT THE EVAPORATOR OUTLET FOR CONTROLLING FLOW TO SAID EVAPORATOR, A BY-PASS LINE INTERCONNECTING THE LIQUID LINE WITH THE SUCTION LINE AHEAD OF THE LAST SAID BULB, A VALVE IN SAID BYPASS LINE FOR CONTROLLING FLOW THERETHROUGH, AND A MOTOR MEANS OPERATIVELY CONNECTED TO SAID VALVE TO CONTROL OPERATION OF SAID VALVE, THE MOTOR MEANS INCLUDING A FIRST
References Cited (Backward Citations)
US2972236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |