US3286479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inlet air control
Assignee: Carrier Corp
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Filing: 1965-03-31
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Granted: 1966-11-22
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 John J Nolan
- 👤 David S Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:04
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN CONDITIONING APPARATUS HAVING FAN MEANS FOR DRAWING AIR TO BE CONDITIONED INTO SAID APPARATUS, AND PASSAGE FORMING MEANS ADAPTED TO COMMUNICATE THE INLET OF SAID FAN MEANS WITH BOTH THE AREA BEING CONDITIONED AND THE OUTDOORS, THE COMBINATION OF MEANS CONTROLLING OPERATION OF SAID FAN MEANS; DAMPER MEANS IN SAID PASSAGE FORMING MEANS ADAPTED TO CLOSE COMMUNICATION OF SAID PASSAGE MEANS WITH THE OUTDOORS, SAID DAMPER MEANS BEING MOVABLE BETWEEN OPEN AND CLOSED POSITIONS; AND CONTROL MEANS FOR SAID DAMPER MEANS RESPONDING TO OPERATION OF SAID FAN MEANS TO MOVE SAID DAMPER MEANS IN ACCORDANCE WITH CONDITIONS OF THE AIR IN SAID PASSAGE FORMING MEANS TO PERMIT SAID FAN MEANS TO DRAW SELECTED AMOUNTS OF OUTDOOR AIR INTO SAID APPARATUS, SAID DAMPER CONTROL MEANS INCLUDING MEANS TO LIMIT OPENING MOVEMENT OF SAID DAMPER MEANS TO A PRESET POSITION BETWEEN SAID DAMPER OPEN AND CLOSED POSITIONS.
Claim 2
Dependent Claim
146 words
IN CONDITIONING APPARATUS HAVING FAN MEANS FOR DRAWING AIR TO BE CONDITIONED INTO SAID APPARATUS, AND PASSAGE FORMING MEANS ADAPTED TO COMMUNICATE THE INLET OF SAID FAN MEANS WITH BOTH THE AREA BEING CONDITIONED AND THE OUTDOORS, THE COMBINATION OF MEANS CONTROLLING OPERATION OF SAID FAN MEANS; DAMPER MEANS IN SAID PASSAGE FORMING MEANS ADAPTED TO CLOSE COMMUNICATION OF SAID PASSAGE MEANS WITH THE OUTDOORS, SAID DAMPER MEANS BEING MOVABLE BETWEEN OPEN AND CLOSED POSITIONS; AND CONTROL MEANS FOR SAID DAMPER MEANS RESPONDING TO OPERATION OF SAID FAN MEANS TO MOVE SAID DAMPER MEANS IN ACCORDANCE WITH CONDITIONS OF THE AIR IN SAID PASSAGE FORMING MEANS TO PERMIT SAID FAN MEANS TO DRAW SELECTED AMOUNTS OF OUTDOOR AIR INTO SAID APPARATUS, SAID DAMPER CONTROL MEANS INCLUDING MEANS TO LIMIT OPENING MOVEMENT OF SAID DAMPER MEANS TO A PRESET POSITION BETWEEN SAID DAMPER OPEN AND CLOSED POSITIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |