US4713361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic catalyst body having thermal radiation protection
Assignee: INTERATOM BERGISCH GLADBACH GERMANY A CORP OF GERMANY GmbH
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Filing: 1987-01-15
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Granted: 1987-12-15
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Expires: 2007-01-15
Abstract
Abstract A metallic catalyst body includes a casing, and a metallic honeycomb structure having layers disposed within the casing, the metallic honeycomb structure having at least one other layer disposed outside the casing as thermal radiation protection.
Inventors
- 👤 Wolfgang Maus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:38
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2803; F01N3/2807; F01N3/281; B; B01; B01J; B01J35/00; B01J35/50; B01J35/56; B01J35/57; F01N2260/00; F01N2260/02; F01N2260/022; F01N2330/00; F01N2330/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
35 words
Metallic catalyst body, comprising a casing, and a metallic honeycomb structure having layers disposed within said casing, said metallic honeycomb structure having at least one other layer disposed outside said casing as thermal radiation protection.
Claim 2
Dependent Claim
35 words
Metallic catalyst body, comprising a casing, and a metallic honeycomb structure having layers disposed within said casing, said metallic honeycomb structure having at least one other layer disposed outside said casing as thermal radiation protection.
Claim 3
Dependent Claim
52 words
Catalyst body according to claim 1, wherein said layers of said honeycomb structure are alternating layers of smooth and corrugated metal sheets, and said at least one other layer disposed outside said casing is in the form of from one to five layers each having one smooth and one corrugated metal sheet.
Claim 4
Dependent Claim
49 words
Catalyst body according to claim 1, wherein said layers of said honeycomb structure are alternating layers of smooth and corrugated metal sheets, and said at least one other layer disposed outside said casing is in the form of two layers each having one smooth and one corrugated metal sheet.
Claim 5
Dependent Claim
27 words
Catalyst body according to claim 1, wherein said layers of said honeycomb structure outside and inside said casing are joined to said casing and to one another.
Claim 6
Dependent Claim
29 words
Catalyst body according to claim 1, wherein said layers of said honeycomb structure outside and inside said casing are joined to said casing and to one another by brazing.
Claim 7
Dependent Claim
33 words
Catalyst body according to claim 1, wherein said at least one other layer of said honeycomb structure outside said casing define channels for receiving an ambient air flow therethrough as thermal radiation protection.
Claim 8
Dependent Claim
28 words
Catalyst body according to claim 1, wherein said at least one other layer serving as thermal radiation protection surrounds only part of the catalyst body in circumferential direction.
Claim 9
Dependent Claim
41 words
Catalyst body according to claim 1, wherein the catalyst body has a given portion thereof located at the top after installation, and said at least one other layer serving as thermal radiation protection surrounds only the given portion in circumferential direction.
Claim 10
Dependent Claim
25 words
Catalyst body according to claim 1, wherein said at least one other layer outside said casing is in the form of a smooth metal sheet.
Claim 11
Dependent Claim
25 words
Catalyst body according to claim 1, wherein said at least one other layer outside said casing is in the form of a corrugated metal sheet.
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) | 1990-12-14 | 1991-06-15 | 1991-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-14 | 1995-06-15 | 1995-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-14 | 1999-06-15 | 1999-12-15 | $7700.00 | Window Closed / Lapsed |