US4137966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulation oven
Assignee: United States Department of the Navy
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Filing: 1977-04-19
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Granted: 1979-02-06
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Expires: 1997-04-19
Abstract
Abstract An oven with temperature-independent sections permits objects placed withint to experience the uneven heating and temperature gradient problems associated with real life conditions. The number of sections can vary depending on the gradients desired.
Inventors
- 👤 Richard D. Ulrich
- 👤 Crill Maples
- 👤 Howard C. Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:49
CPC Classifications
F; F27; F27D; F27D21/00; F27B; F27B17/00; F27D19/00; F27D2019/0028; F27D99/00; F27D99/0001; F27D2099/0061; F27D21/0014
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
130 words
An oven for creating thermal gradients comprising: a plurality of heating sections joined together forming an enclosure; a plurality of temperature monitors distributed with at least one of said temperature monitors in each of said heating sections and mounted so as to measure the heat level therein; a plurality of heating-cooling systems with at least one attached to each heating section so as to control the temperature therein and which is itself controlled by the temperature monitor for that heating section and where said heating-cooling systems contain a working fluid of oil which is suitable for causing radiation heating from said heating sections and is temperature controlled by a closed-loop feed back system; and at least one blower positioned for inducing convection air flows over items placed in the oven.
Claim 2
Dependent Claim
130 words
An oven for creating thermal gradients comprising: a plurality of heating sections joined together forming an enclosure; a plurality of temperature monitors distributed with at least one of said temperature monitors in each of said heating sections and mounted so as to measure the heat level therein; a plurality of heating-cooling systems with at least one attached to each heating section so as to control the temperature therein and which is itself controlled by the temperature monitor for that heating section and where said heating-cooling systems contain a working fluid of oil which is suitable for causing radiation heating from said heating sections and is temperature controlled by a closed-loop feed back system; and at least one blower positioned for inducing convection air flows over items placed in the oven.
Claim 3
Dependent Claim
26 words
An oven as described in claim 1 where the temperature monitors are thermocouples operatively attached to cam temperature controls which in turn regulate the heating-cooling system.
Claim 4
Dependent Claim
15 words
An oven as described in claim 1 where the plurality of heating sections is eight.
Claim 5
Dependent Claim
36 words
An oven as described in claim 1 which further comprises suspension means for supporting items to be heated in the oven, said means capable of supporting an item in a variety of positions within the oven.
Claim 6
Dependent Claim
189 words
An oven for creating thermal gradients comprising: a plurality of heating sections joined together forming an enclosure for radiative heating; a plurality of thermocouples distributed with at least one in each of said heating sections for monitoring the heat level in each of said sections; a working fluid of oil for circulating through said heating sections and serving as a heat source or sink; a plurality of heating-cooling systems with at least one attached to each heating section so as to control the temperature therein by pumping said working fluid through said heating sections and which is itself controlled by the thermocouple monitoring the heat level in that section; at least one blower positioned for inducing convection air flows over item placed in said oven; suspension means for supporting items to be heated in said oven, said means capable of supporting an item in a variety of positions within said oven so that temperature gradients can be induced in said item by radiation from various heating patterns in said heating sections; and a cam temperature control attached to said thermocouples and to said heating-cooling system for regulating said system.
Claim 7
Dependent Claim
189 words
An oven for creating thermal gradients comprising: a plurality of heating sections joined together forming an enclosure for radiative heating; a plurality of thermocouples distributed with at least one in each of said heating sections for monitoring the heat level in each of said sections; a working fluid of oil for circulating through said heating sections and serving as a heat source or sink; a plurality of heating-cooling systems with at least one attached to each heating section so as to control the temperature therein by pumping said working fluid through said heating sections and which is itself controlled by the thermocouple monitoring the heat level in that section; at least one blower positioned for inducing convection air flows over item placed in said oven; suspension means for supporting items to be heated in said oven, said means capable of supporting an item in a variety of positions within said oven so that temperature gradients can be induced in said item by radiation from various heating patterns in said heating sections; and a cam temperature control attached to said thermocouples and to said heating-cooling system for regulating said system.
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) | 1982-02-05 | 1982-08-07 | 1983-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-05 | 1986-08-07 | 1987-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-05 | 1990-08-07 | 1991-02-06 | $7700.00 | Window Closed / Lapsed |