US3257816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus
Assignee: Individual
•
Filing: 1964-01-02
•
Granted: 1966-06-28
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Parce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1405; F24F3/153
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
188 words
A METHOD OF CONDITIONING AIR TO A TEMPERATURE BELOW THE DEW POINT OF THE AIR BEING CONDITIONED COMPRISING THE STEPS OF SENSING THE TEMPERATURE OF AIR IN AN ENVIRONMENTAL CHAMBER, PASSING THE AIR INTO A PASSAGEWAY SENSING THE HUMIDITY OF THE AIR BEING PASSED INTO SAID PASSAGEWAY, ADJUSTING AIR BLOCKING MEANS ASSOCIATED WITH A FIRST COOLING UNIT AND SAID PASSAGEWAY IN RESPONSE TO THE TEMPERATURE AND HUMIDITY SENSING OF THE AIR TO BLOCK A PORTION OF THE FLOW OF AIR IN SAID PASSAGEWAY, PASSING THE BLOCKED PORTION OF THE AIR THROUGH A FIRST COOLING COIL IN SAID FIRST COOLING UNIT REDUCING THE TEMPERATUERE AND HUMIDITY OF THE AIR, THEN MIXING THE AIR HAVING REDUCED TEMPERATURE AND HUMIDITY WITH THE AIR FLOWING IN SAID PASSAGEWAY, THEN PASSING THE MIXED AIR PAST A CLOSED SECOND COOLING UNIT, PERIOCIALLY AT A PREDETERMINED TIME, ADMITTING REFRIGERANT TO A COOLING COIL IN SAID SECOND COOLING UNIT, THEN CLOSING SAID FIRST COOLING UNIT AIR BLOCKING MEANS AND SIMULTANEOUSLY ADJUSTING PASSAGEWAY AIR BLOCKING MEANS OF SAID SECOND COOLING UNIT TO BLOCK A PORTION OF THE FLOW OF AIR IN SAID PASSAGEWAY, THEN PASSING A POR-
References Cited (Backward Citations)
US2001704A
Cited
US2207714A
Cited
US2389440A
Cited
US2388210A
Cited
US3065608A
Cited
US3063253A
Cited
US3091942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |