US3199306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay for compressor motor circuit
Assignee: Worthington Corp
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Filing: 1964-06-05
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Granted: 1965-08-10
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Pruce M Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:17
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/025; F25B2400/00; F25B2400/16; F25B2600/00; F25B2600/23; F25B2700/00; F25B2700/19; F25B2700/195; F25B2700/197; F25B2700/21; F25B2700/2117; F25B41/00; F25B41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A CONTROL CIRCUIT FOR REFRIGERANT COMPRESSOR MOTOR FORMING A PORTION OF CLOSED SYSTEM CIRCULATING A REFRIGERANT, WHICH SYSTEM INCLUDES THE COMPRESSOR, A CONDENSER, AND AN EVAPORATOR, SAID CONTROL CIRCUIT COMPRISING: (A) COMPRESSOR MOTOR SWITCHING MEANS FOR CONNECTING AND DISCONNECTING SAID COMPRESSOR MOTOR TO AND FROM A SOURCE OF ELECTRICAL POWER, (B) TEMPERATURE SENSING MEANS OPERATIVE TO MEASURE THE TEMPERATURE OF REFRIGERANT AND TO ENERGIZE SAID COMPRESSOR MOTOR SWITCHING MEANS WHEN THE REFRIGERANT TEMPERATURE RISES ABOVE A PREDETERMINED VALUE TO CAUSE SAID COMPRESSOR MOTOR TO BE CONNECTED TO THE SOURCE OF ELECTRICAL POWER, SAID TEMPERATURE SENSING MEANS BEING FURTHER OPERATIVE TO CAUSE SAID COMPRESSOR MOTOR SWITCHING MEANS TO DISCONNECT SAID COMPRESSOR MOTOR FROM THE SOURCE OF ELECTRICAL POWER WHEN THE TEMPERATURE OF THE REFRIGERANT DROPS BELOW A PREDETERMINED VALUE, (C) PRESSURE SENSING MEANS OPERATIVE TO CAUSE SAID COMPRESSOR MOTOR SWITCHING MEANS T DISCONNECT THE COMPRESSOR MOTOR FROM THE SOURCE OF ELECTRICAL POWER WHEN THE REFRIGERANT PRESSURE FALLS OUTSIDE OF A PREDETERMINED PRESSURE RANGE,
Claim 2
Dependent Claim
162 words
A CONTROL CIRCUIT FOR REFRIGERANT COMPRESSOR MOTOR FORMING A PORTION OF CLOSED SYSTEM CIRCULATING A REFRIGERANT, WHICH SYSTEM INCLUDES THE COMPRESSOR, A CONDENSER, AND AN EVAPORATOR, SAID CONTROL CIRCUIT COMPRISING: (A) COMPRESSOR MOTOR SWITCHING MEANS FOR CONNECTING AND DISCONNECTING SAID COMPRESSOR MOTOR TO AND FROM A SOURCE OF ELECTRICAL POWER, (B) TEMPERATURE SENSING MEANS OPERATIVE TO MEASURE THE TEMPERATURE OF REFRIGERANT AND TO ENERGIZE SAID COMPRESSOR MOTOR SWITCHING MEANS WHEN THE REFRIGERANT TEMPERATURE RISES ABOVE A PREDETERMINED VALUE TO CAUSE SAID COMPRESSOR MOTOR TO BE CONNECTED TO THE SOURCE OF ELECTRICAL POWER, SAID TEMPERATURE SENSING MEANS BEING FURTHER OPERATIVE TO CAUSE SAID COMPRESSOR MOTOR SWITCHING MEANS TO DISCONNECT SAID COMPRESSOR MOTOR FROM THE SOURCE OF ELECTRICAL POWER WHEN THE TEMPERATURE OF THE REFRIGERANT DROPS BELOW A PREDETERMINED VALUE, (C) PRESSURE SENSING MEANS OPERATIVE TO CAUSE SAID COMPRESSOR MOTOR SWITCHING MEANS T DISCONNECT THE COMPRESSOR MOTOR FROM THE SOURCE OF ELECTRICAL POWER WHEN THE REFRIGERANT PRESSURE FALLS OUTSIDE OF A PREDETERMINED PRESSURE RANGE,
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |