US3724267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat flux sensing device
Assignee: Foster Wheeler Inc
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Filing: 1970-08-28
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Granted: 1973-04-03
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Expires: 1990-08-28
Abstract
Abstract Heat absorption rates of cooling tubes are measured accurately without the use of devices which cause high stresses. An elongated conductor extends from between the tubes toward a heat zone on one side of the tubes and is provided with two thermocouples which have junctions at different locations along the length of the conductor, to sense a temperature gradient from which the heat flux through the conductor can be determined.
Inventors
- 👤 R Zoschak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:37
CPC Classifications
G; G01; G01K; G01K17/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
In combination, two parallel tubes for flowing a cooling fluid on one side of a heat zone, said tubes being joined by a fin extending longitudinally of and between said tubes, an orifice in said fin, a heat flux sensing device comprising an elongated conductor and two thermocouples within said conductor said conductor having an end in said heat zone and passing through said orifice to be connected to said fin at a location remote from said end, said thermocouples being disposed between said location and said end, each of said thermocouples having a junction, said two junctions being spaced from one another a given distance along the length of said conductor.
Claim 2
Dependent Claim
112 words
In combination, two parallel tubes for flowing a cooling fluid on one side of a heat zone, said tubes being joined by a fin extending longitudinally of and between said tubes, an orifice in said fin, a heat flux sensing device comprising an elongated conductor and two thermocouples within said conductor said conductor having an end in said heat zone and passing through said orifice to be connected to said fin at a location remote from said end, said thermocouples being disposed between said location and said end, each of said thermocouples having a junction, said two junctions being spaced from one another a given distance along the length of said conductor.
Claim 3
Dependent Claim
43 words
The structure defined in claim 1 further comprising a radiation shield bridging said two tubes, said shield having a hole, said hole being aligned with said conductor so that heat emanating from said heat zone will impinge against the end of said conductor.
Claim 4
Dependent Claim
48 words
The structure defined in claim 2 wherein said conductor comprises a pin portion and a base portion, said base portion being positioned within an aperture in said fin, and said pin portion extending from said base portion toward said heat zone, said junctions being in said pin portion.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |