US3242680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for suppressing the thermal backflow from a heat-exchanger to the cooling space of a cooling device equipped especially with a thermoelectric cooling element
Assignee: US Philips Corp
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Filing: 1964-05-28
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Granted: 1966-03-29
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Boke Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:24
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F25B2321/00; F25B2321/02; F25B2321/025; F25B2321/0252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A DEVICE FOR SUPPRESSING THE THERMAL BACKFLOW TO A THERMO-ELECTRIC COOLING ELEMENT CONNECTED TO A COOLING CONTAINER AND HAVING BOTH HEAT DISSIPATING AND HEAT ABSORBING PARTS WHEREBY THERMAL ENERGY MAY BE EXTRACTED BY MEANS OF A FLOWING HEAT EXCHANGING MEDIUM, COMPRISING A FLOW CHANNEL OF RELATIVELY SMALL AREA LEADING SAID HEAT EXCHANGING MEDIUM ALONG SAID HEAT DISSIPATING PARTS OF SAID COOLING ELEMENT WHEREBY THE HEAT IN SAID HEAT ABSORBING PARTS IS DISSIPATED TO SAID FLOW CHANNEL, INLET AND OUTLET TUBES FOR SAID HEAT EXCHANGE MEDIUM COMMUNICATING WITH SAID FLOW CHANNEL, AND AT LEAST ONE THERMALLY INSULATED CLOSURE MEMBER FOR CLOSING OFF THE FLOW CHANNEL WHEN SAID COOLING ELEMENT HAS STOPPED OPERATING.
Claim 2
Independent Claim
111 words
A DEVICE FOR SUPPRESSING THE THERMAL BACKFLOW TO A THERMO-ELECTRIC COOLING ELEMENT CONNECTED TO A COOLING CONTAINER AND HAVING BOTH HEAT DISSIPATING AND HEAT ABSORBING PARTS WHEREBY THERMAL ENERGY MAY BE EXTRACTED BY MEANS OF A FLOWING HEAT EXCHANGING MEDIUM, COMPRISING A FLOW CHANNEL OF RELATIVELY SMALL AREA LEADING SAID HEAT EXCHANGING MEDIUM ALONG SAID HEAT DISSIPATING PARTS OF SAID COOLING ELEMENT WHEREBY THE HEAT IN SAID HEAT ABSORBING PARTS IS DISSIPATED TO SAID FLOW CHANNEL, INLET AND OUTLET TUBES FOR SAID HEAT EXCHANGE MEDIUM COMMUNICATING WITH SAID FLOW CHANNEL, AND AT LEAST ONE THERMALLY INSULATED CLOSURE MEMBER FOR CLOSING OFF THE FLOW CHANNEL WHEN SAID COOLING ELEMENT HAS STOPPED OPERATING.
References Cited (Backward Citations)
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Cited
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Cited
US2928253A
Cited
US3054840A
Cited
US3099429A
Cited
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Cited
US3112759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |