US3926562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical tube combustion reactor
Assignee: United States Department of the Navy
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Filing: 1974-08-23
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Granted: 1975-12-16
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Expires: 1994-08-23
Abstract
Abstract A vertical tube reactor for analyzing combustion in which the controllable electrically heated reactor tube with optional opposing side ports is sealed to an outer transparent jacket having ports optically aligned therewith, has an optionally heated chimney, and has a lower port suitable for introducing reactants, sensors, and dopants therein.
Inventors
- 👤 Frederick W Williams
- 👤 Ronald S Sheinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:24
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12; H; H05; H05B; H05B3/00; H05B3/0014
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
111 words
AN APPARATUS FOR THE STUDY OF COMBUSTION COMPRISING: AN UPRIGHT HOLLOW TRANSPARENT CYLINDER HAVING A RESTRICTED LOWER OPENING AND A RESTRICTED UPPER OPENING; A CHIMNEY WITHIN SAID UPPER OPENING; AN OUTER TRANSPARENT JACKET SEALINGLY ENGAGED TO SAID CYLINDER THEREBY PERMITTING THE PRESSURIZATION OR EVACUATION BETWEEN SAID CYLINDER AND SAID JACKET; AN ELECTRICALLY CONDUCTIVE SEMI-TRANSPARENT COATING SUBSTANTIALLY COVERING SAID CYLINDER FOR RESISTIVE HEATING OF SAID CYLINDER; A FIRST ELECTRICAL CONTACT ON SAID CYLINDER ABOVE SAID LOWER OPENING WHEREBY ELECTRICAL CONTACT IS MADE WITH SAID COATING; A SECOND ELECTRICAL CONTACT ON SAID CYLINDER BELOW SAID UPPER OPENING WHEREBY ELECTRICAL CONTACT IS MADE WITH SAID COATING; AN INERT RETAINING MEANS LOCATED INSIDE CYLINDER AND
Claim 2
Independent Claim
111 words
AN APPARATUS FOR THE STUDY OF COMBUSTION COMPRISING: AN UPRIGHT HOLLOW TRANSPARENT CYLINDER HAVING A RESTRICTED LOWER OPENING AND A RESTRICTED UPPER OPENING; A CHIMNEY WITHIN SAID UPPER OPENING; AN OUTER TRANSPARENT JACKET SEALINGLY ENGAGED TO SAID CYLINDER THEREBY PERMITTING THE PRESSURIZATION OR EVACUATION BETWEEN SAID CYLINDER AND SAID JACKET; AN ELECTRICALLY CONDUCTIVE SEMI-TRANSPARENT COATING SUBSTANTIALLY COVERING SAID CYLINDER FOR RESISTIVE HEATING OF SAID CYLINDER; A FIRST ELECTRICAL CONTACT ON SAID CYLINDER ABOVE SAID LOWER OPENING WHEREBY ELECTRICAL CONTACT IS MADE WITH SAID COATING; A SECOND ELECTRICAL CONTACT ON SAID CYLINDER BELOW SAID UPPER OPENING WHEREBY ELECTRICAL CONTACT IS MADE WITH SAID COATING; AN INERT RETAINING MEANS LOCATED INSIDE CYLINDER AND
Claim 3
Dependent Claim
14 words
The apparatus of claim 1 which further comprises a heating means for said chimney.
Claim 4
Dependent Claim
63 words
The apparatus of claim 2 wherein said cylinder comprisEs a material selected from the group consisting of quartz glass and borosilicate glass: said coating is a metal oxide; said electrical contacts comprise a material selected from the group consisting of silver print paint and a metal having a high electrical conductivity in a nonpaint form and said inert porous material comprises glass beads.
Claim 5
Dependent Claim
16 words
The apparatus of claim 3 which further comprises means to determine the temperature within said cylinder.
Claim 6
Dependent Claim
31 words
The apparatus of claim 4 which further comprises at least one means for adding and extracting that extends from at least one end opening into said cylinder in coaxial alignment therewith.
Claim 7
Dependent Claim
15 words
The apparatus of claim 4 which further comprises a pressure altering means for said cylinder.
Claim 8
Dependent Claim
69 words
The apparatus of claim 4 wherein said cylinder has two opposing colinear ports and said outer jacket has two ports in optical alignment with said ports of said cylinder; and which further comprises a sidearm extending from each port of said cylinder to and beyond each port of said outer jacket and sealingly connecting with said cylinder and jacket, and a removable sidearm window on each of said sidearms.
Claim 9
Dependent Claim
87 words
The apparatus of claim 6 wherein said cylinder has a third port perpendicular to and in the same plane as the axis between said ports of said cylinder, and said outer jacket has a third port in optical alignment with said third port of said cylinder; and which further comprises a third sidearm extending from said third port of said cylinder to and beyond said third port of said outer jacket and sealingly connecting with said cylinder and jacket, and a sidearm window on said third sidearm.
Claim 10
Dependent Claim
74 words
The apparatus of claim 8 wherein said cylinder has a fourth port in optical alignment with said third port and said outer jacket has a fourth port in optical alignment with said fourth port of said cylinder; and which further comprises a fourth sidearm extending from said fourth cylinder port to and beyond said fourth outer jacket port and sealingly connecting with said cylinder and jacket, and a sidearm window on said fourth sidearm.
Claim 11
Dependent Claim
21 words
The apparatus of claim 9 wherein each of two opposing sidearm windows have electrodes extending toward the cavity of said cylinder.
Claim 12
Dependent Claim
17 words
The apparatus of claim 9 wherein at least one of said sidearm windows has a probing means.
Claim 13
Dependent Claim
17 words
The apparatus of claim 11 wherein said probing means is a probe for adding and extracting material.
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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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |