US3082609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system for aircraft
Assignee: Carrier Corp
•
Filing: 1957-02-12
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Granted: 1963-03-26
•
Expires: 1977-02-12
Abstract
No abstract record available.
Inventors
- 👤 Matthew G Ryan
- 👤 Richard C Webb
- 👤 Ronald E Sturm
- 👤 Jr James E Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:27
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D13/08; G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453; Y; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A METHOD OF AIR CONDITIONING AN AIRCRAFT WITH A REFRIGERATION SYSTEM INCLUDING A VARIABLE SPEED CENTRIFUGAL COMPRESSOR, AN AIR-COOLED CONDENSER, AND AN EVAPORATOR COMPRISING THE STEPS OF: PROVIDING COOLING TO A MEDIUM BY PASSING IT OVER THE EVAPORATOR, VARYING THE AMOUNT OF COOLING PRODUCED BY THE EVAPORATOR, BY VARYING THE SPEED OF THE COMPRESSOR, COOLING THE CONDENSER BY PASSING AIR SCOOPED FROM OUTSIDE OF THE AIRCRAFT IN CONTACT WITH IT, AND CONTROLLING THE TEMPERATURE OF THE CONDENSER IN RESPONSE TO VARIATIONS IN COMPRESSOR SPEED BY VARYING THE AMOUNT OF AIR PASSED OVER IT WHEREBY BOTH UNDESIRABLE
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |