US3086392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for testing refrigerant systems
Assignee: —
•
Filing: —
•
Granted: 1963-04-23
•
Expires: 1980-04-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:19
CPC Classifications
F; F25; F25B; F25B49/00; F25B2500/00; F25B2500/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF TESTING A NORMALLY HERMETICALLY SEALED REFRIGERANT SYSTEM OF THE TYPE INCLUDING, IN A CLOSED SERIES CIRCUIT, A COMPRESSOR, A CONDENSER; A CAPILLARY TUBE, AND AN EVAPORATOR: SAID METHOD COMPRISING, WHILE MAINTAINING ALL THE SYSTEM COMPONENTS OPERATIVELY CONNECTED TO EACH OTHER, REMOVING ALL THE REFRIGERANT FROM THE SYSTEM; OPENING THE FULLY CONNECTED SYSTEM TO ATMOSPHERE AT A FIRST POINT BETWEEN THE EVAPORATOR OUTLET AND THE COMPRESSOR INLET; THEN OPERATING THE SYSTEM TO BALANCE THE PRESSURES AT SUCH FIRST POINT; AND, WHILE SO OPERATING THE SYSTEM, MEASURING THE PRESSURE AT A SECOND POINT BETWEEN THE COMPRESSOR OUTLET AND THE CONDENSER INLET TO OBTAIN A MEASURE OF THE EVAPORATOR TEMPERATURE WHEN THE SYSTEM IS RE-FILLED WITH REFRIGERANT.
Claim 2
Independent Claim
117 words
A METHOD OF TESTING A NORMALLY HERMETICALLY SEALED REFRIGERANT SYSTEM OF THE TYPE INCLUDING, IN A CLOSED SERIES CIRCUIT, A COMPRESSOR, A CONDENSER; A CAPILLARY TUBE, AND AN EVAPORATOR: SAID METHOD COMPRISING, WHILE MAINTAINING ALL THE SYSTEM COMPONENTS OPERATIVELY CONNECTED TO EACH OTHER, REMOVING ALL THE REFRIGERANT FROM THE SYSTEM; OPENING THE FULLY CONNECTED SYSTEM TO ATMOSPHERE AT A FIRST POINT BETWEEN THE EVAPORATOR OUTLET AND THE COMPRESSOR INLET; THEN OPERATING THE SYSTEM TO BALANCE THE PRESSURES AT SUCH FIRST POINT; AND, WHILE SO OPERATING THE SYSTEM, MEASURING THE PRESSURE AT A SECOND POINT BETWEEN THE COMPRESSOR OUTLET AND THE CONDENSER INLET TO OBTAIN A MEASURE OF THE EVAPORATOR TEMPERATURE WHEN THE SYSTEM IS RE-FILLED WITH REFRIGERANT.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |