US3081604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for fluid compression means
Assignee: Carrier Corp
•
Filing: 1959-05-28
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Granted: 1963-03-19
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Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 Namisniak Joseph
- 👤 James W Endress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/462; F04D27/00; F04D27/02; F04D27/0246; F04D27/0284; F04D29/4206; F04D29/4213; F25; F25B; F25B1/00; F25B1/04; F25B1/053; F25B49/00; F25B49/02; F25B49/022; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/51; F25B2400/00; F25B2400/13; F25B2400/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
THE METHOD OF OPERATING A REFRIGERATION MACHINE INCLUDING A COMPRESSOR HAVING A LUBRICATION SYSTEM, A CONDENSER, AN EXPANSION MEMBER, AN EVAPORATOR, A SUCTION LINE CONNECTING THE EVAPORATOR AND THE COMPRESSOR, AND ADJUSTABLE FLOW DIVERTING MEANS POSITIONED IN THE SUCTION LINE WHICH CONSISTS IN THE STEPS OF UTILIZING THE PRESSURE OF THE LUBRICANT IN THE LUBRICATION SYSTEM TO VARY THE POSITION OF FLOW DIVERTING MEANS SUBSTANTIALLY IN ACCORDANCE WITH THE REFRIGERATING REQUIREMENT ON THE MACHINE AND EMPLOYING CONDENSER PRESSURE TO ASSURE POSITIONING OF THE FLOW DIVERTING MEANS SO AS TO OFFER MAXIMUM RESISTANCE TO THE FLOW OF REFRIGERANT UPON TERMINATION OF THE OPERATION OF THE COMPRESSOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |