Patent US2727194A successfully refreshed from Google Patents.
US3200609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange apparatus and air conditioner units incorporating such apparatus
Assignee: LAING VORTEX Inc
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Filing: 1964-04-15
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Granted: 1965-08-17
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Laing Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:57
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/02; F04D17/04; F24; F24F; F24F1/00; F24F1/02; F24F1/028; F24F1/0284; F24F1/03; F24F1/031; F24F1/032; F24F1/0323; F24F1/0328; F24F1/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A RECTANGULARLY-SHAPED HEAT EXCHANGER APPARATUS HAVING AN AIR OUTLET AND AN AIR INLET POSITIONED ON THE SAME SIDE OF SAID APPARATUS, A CROSS-FLOW BLOWER HAVING A HOLLOW CYLINDRICAL BLADED ROTOR POSITIONED IN SAID APPARATUS FOR MOVING AND TURNING AIR 180* IN SAID APPARATUS FROM SAID INLET TO SAID OUTLET AND IN A DIRECTION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID APPARATUS, A RECTANGULARLY-SHAPED HEAT EXCHANGER BLOCK POSITIONED IN SAID APPARATUS BETWEEN SAID INLET AND SAID OUTLET AND TO ONE SIDE OF SAID ROTOR WHEREBY AIR WILL PASS THROUGH SUBSTANTIALLY THE COMPLETE CROSS-SECTION OF SAID BLOCK WHEN SAID ROTOR IS ROTATED, DUCTING INCLUDING ENCLOSURE WALLS EXTENDING PERPENDICULAR TO THE ROTOR AXIS AND SUBSTANTIALLY COVERING THE ENDS OF SAID ROTOR, AND GUIDE MEANS ASSOCIATED WITH SAID ROTOR TO GUIDE AIR PASSING FROM SAID INLET TO SAID OUTLET THROUGH SAID ROTOR FROM THE SUCTION SIDE THEREOF
Claim 2
Dependent Claim
143 words
A RECTANGULARLY-SHAPED HEAT EXCHANGER APPARATUS HAVING AN AIR OUTLET AND AN AIR INLET POSITIONED ON THE SAME SIDE OF SAID APPARATUS, A CROSS-FLOW BLOWER HAVING A HOLLOW CYLINDRICAL BLADED ROTOR POSITIONED IN SAID APPARATUS FOR MOVING AND TURNING AIR 180* IN SAID APPARATUS FROM SAID INLET TO SAID OUTLET AND IN A DIRECTION PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID APPARATUS, A RECTANGULARLY-SHAPED HEAT EXCHANGER BLOCK POSITIONED IN SAID APPARATUS BETWEEN SAID INLET AND SAID OUTLET AND TO ONE SIDE OF SAID ROTOR WHEREBY AIR WILL PASS THROUGH SUBSTANTIALLY THE COMPLETE CROSS-SECTION OF SAID BLOCK WHEN SAID ROTOR IS ROTATED, DUCTING INCLUDING ENCLOSURE WALLS EXTENDING PERPENDICULAR TO THE ROTOR AXIS AND SUBSTANTIALLY COVERING THE ENDS OF SAID ROTOR, AND GUIDE MEANS ASSOCIATED WITH SAID ROTOR TO GUIDE AIR PASSING FROM SAID INLET TO SAID OUTLET THROUGH SAID ROTOR FROM THE SUCTION SIDE THEREOF
References Cited (Backward Citations)
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |