Patent US3107724A successfully refreshed from Google Patents.
US3107724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas supply unit
Assignee: AERO SUPPLY Manufacturing CO Inc
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Filing: 1960-10-26
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Granted: 1963-10-22
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Horn Walter
- 👤 Frank P Vultaggio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:53
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2064; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A GAS SUPPLY UNIT, COMPRISING A CASING HAVING AN INLET END AND AN OUTLET END, A PLURALITY OF PARALLEL PARTITIONS IN THE CASING DISPOSED BETWEEN THE INLET END AND THE OUTLET END AND DIVIDING SAID CASING INTO A PLURALITY OF PARALLEL PASSAGES, HEAT EXCHANGE MEANS IN ALTERNATE PASSAGES OF THE CASING TO PROVIDE HEAT EXCHANGE PASSAGES ALTERNATE WITH BY-PASS PASSAGES, A PLURALITY OF PAIRS OF ADJACENT DAMPERS PIVOTED ABOUT PARALLEL, COPLANAR AXES DISPOSED IN THE PLANES OF SAID PARTITIONS AT THE INLET END, EACH DAMPER HAVING A PAIR OF WINGS CONSISTING OF AN INNER WING AND AN OUTER WING MOVABLE TOGETHER, ABOUT THE PIVOTAL AXIS OF SAID DAMPER, AND EXTENDING TO OPPOSITE SIDES OF A PARTITION, EACH PAIR OF ADJACENT DAMPERS, IN ONE POSITION THEREOF, HAVING THEIR INNER WINGS PROJECTING TOWARD EACH OTHER AND CLOSING A FIRST PASSAGE BETWEEN THE PAIR OF PARTITIONS DISPOSED IN THE PLANES OF THE AXES OF ONE PAIR OF ADJACENT DAMPERS, AND HAVING THEIR OUTER WINGS LOCATED CLOSED TO THE OUTER SIDES OF SAID PAIR OF PARTITIONS TO KEEP THE PASSAGES ON OPPOSITE SIDES OF SAID FIRST PASSAGE OPEN, MEANS TO SIMULTANEOUSLY OSCILLATE SAID ONE PAIR OF SAID ADJACENT DAMPERS IN OPPOSITE DIRECTIONS TO ANOTHER POSITION OF SAID DAMPERS TO MOVE THE INNER
Claim 2
Dependent Claim
208 words
A GAS SUPPLY UNIT, COMPRISING A CASING HAVING AN INLET END AND AN OUTLET END, A PLURALITY OF PARALLEL PARTITIONS IN THE CASING DISPOSED BETWEEN THE INLET END AND THE OUTLET END AND DIVIDING SAID CASING INTO A PLURALITY OF PARALLEL PASSAGES, HEAT EXCHANGE MEANS IN ALTERNATE PASSAGES OF THE CASING TO PROVIDE HEAT EXCHANGE PASSAGES ALTERNATE WITH BY-PASS PASSAGES, A PLURALITY OF PAIRS OF ADJACENT DAMPERS PIVOTED ABOUT PARALLEL, COPLANAR AXES DISPOSED IN THE PLANES OF SAID PARTITIONS AT THE INLET END, EACH DAMPER HAVING A PAIR OF WINGS CONSISTING OF AN INNER WING AND AN OUTER WING MOVABLE TOGETHER, ABOUT THE PIVOTAL AXIS OF SAID DAMPER, AND EXTENDING TO OPPOSITE SIDES OF A PARTITION, EACH PAIR OF ADJACENT DAMPERS, IN ONE POSITION THEREOF, HAVING THEIR INNER WINGS PROJECTING TOWARD EACH OTHER AND CLOSING A FIRST PASSAGE BETWEEN THE PAIR OF PARTITIONS DISPOSED IN THE PLANES OF THE AXES OF ONE PAIR OF ADJACENT DAMPERS, AND HAVING THEIR OUTER WINGS LOCATED CLOSED TO THE OUTER SIDES OF SAID PAIR OF PARTITIONS TO KEEP THE PASSAGES ON OPPOSITE SIDES OF SAID FIRST PASSAGE OPEN, MEANS TO SIMULTANEOUSLY OSCILLATE SAID ONE PAIR OF SAID ADJACENT DAMPERS IN OPPOSITE DIRECTIONS TO ANOTHER POSITION OF SAID DAMPERS TO MOVE THE INNER
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |