US3210955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration apparatus
Assignee: Carrier Corp
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Filing: 1963-07-22
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Granted: 1965-10-12
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Carl M Anderson
- 👤 James W Endress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:47
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B1/00; F25B1/04; F25B1/053; Y; Y10; Y10S; Y10S62/00; Y10S62/21
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
IN THE OPERATION OF A REFRIGERATION MACHINE INCLUDING CAPACITY CONTROL MEANS FOR CONTINUOSLY REGULATING FLOW OF REFIGERANT GAS TO THE COMPRESSOR, SAID FLOW VARYING FROM A RELATIVELY HIGH VOLUME SUBSTANTIALLY UNIMPEDED FLOW AT HIGH DEMAND TO A LOW VOLUME SUBSTANTIALLY RESTRICTED FLOW AT LOW DEMAND, AND ACTUATING MEANS FOR REGULATING SAID CAPACITY CONTROL MEANS, THE METHOF OF DISTRIBUTING REFIGERANT TO THE EVAPORATOR OF SAID MACHINE WHICH COMPRISES THE STEPS OF SUPPLYING LIQUID REFIGERANT FORMED IN THE CONDENSER TO THE EVAPORATOR; TRANSMITTING HIGH PRESSURE REFIGERANT FLOWING FROM THE COMPRESSOR TO THE CONDENSER TO THE EVAPORATOR TO SUPPLEMENT LIQUID REFRIGERANT FLOW UNDER PREDETERMINED MACHINE OPERATING CONDITIONS; REGULATING TRANSMITTAL OF THE HIGH PRESSURE REFRIGERANFT IN RESPONSE TO OPERATION OF THE CAPACITY CONTROL ACTUATING MEANS AT A PREDETERMINED LOADING ABOVE THE LOW LOAD LIMIT.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |