US3945803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic support for a ceramic monolithic catalyzer body
Assignee: Kali Chemie AG
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Filing: 1973-04-03
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Granted: 1976-03-23
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Expires: 1993-04-03
Abstract
Abstract In an apparatus for cleaning exhaust gases comprising a rigid housing forming an outer wall of the exhaust conduit, a pocket formed at each end of the housing, a pair of accordion-shaped or corrugated wall and resilient compensating devices placed at each end into the pockets and each having gripping end portions, a catalyzer body of the monolithic type being placed between the gripping end portions for suspension axially within the housing with a gap in the housing.
Inventors
- 👤 Reimar Musall
- 👤 Wilhelm Wolsing
- 👤 Klaus Almeroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:36
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2853; F01N3/2867; F01N3/2875; F01N2330/00; F01N2330/06; F01N2470/00; F01N2470/12
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
211 words
An apparatus for cleaning exhaust gases comprising a monolithic catalyst body suitable for removing toxic gases from a gas flow through an exhaust gas passage and an elastic holder resiliently supporting said monolithic catalyst body, said elastic holder including a rigid metallic housing having an inlet opening and an outlet opening and forming an outer wall of said exhaust gas passage; resilient means operable to apply a resilient force upon being compressed, disposed within said housing and a major portion of which is spaced from said housing near each opening therein and being compressed, said resilient means comprising a corrugated wall device, the space between said resilent means and said housing forming an annular chamber near each opening in said housing; inner circumferential plate means secured to said housing and dispoded therein for guiding and supporting said resilient means for axial movement thereof said plate means being disposed between said resilient means and said gas flow to thereby shield said resilient means from direct contact by the gases; gripping end portions operably secured to and axially pressed by said compressed resilient means, said gripping end portions being positioned to suspend the monolithic catalyst body therebetween whereby the monolithic catalyst body is resiliently suspended, within said housing, between said gripping end portions.
Claim 2
Independent Claim
211 words
An apparatus for cleaning exhaust gases comprising a monolithic catalyst body suitable for removing toxic gases from a gas flow through an exhaust gas passage and an elastic holder resiliently supporting said monolithic catalyst body, said elastic holder including a rigid metallic housing having an inlet opening and an outlet opening and forming an outer wall of said exhaust gas passage; resilient means operable to apply a resilient force upon being compressed, disposed within said housing and a major portion of which is spaced from said housing near each opening therein and being compressed, said resilient means comprising a corrugated wall device, the space between said resilent means and said housing forming an annular chamber near each opening in said housing; inner circumferential plate means secured to said housing and dispoded therein for guiding and supporting said resilient means for axial movement thereof said plate means being disposed between said resilient means and said gas flow to thereby shield said resilient means from direct contact by the gases; gripping end portions operably secured to and axially pressed by said compressed resilient means, said gripping end portions being positioned to suspend the monolithic catalyst body therebetween whereby the monolithic catalyst body is resiliently suspended, within said housing, between said gripping end portions.
Claim 3
Dependent Claim
36 words
The apparatus as claimed in claim 1, wherein a perforated plate means is placed between said gripping end portions and the catalyst body, said plate means extending substantially over the entire cross-section of said catalyst body.
Claim 4
Dependent Claim
106 words
The apparatus as claimed in claim 1, wherein said resilient means is an especially soft flexible corrugated walled device means, a compression spring placed in each said annular chamber, each said gripping end portion comprising a flange for supporting said catalyst body, said spring abutting at one end thereof against a wall portion of said annular chamber and at the other end thereof against said flange and thereby, in combination with the corrugated walled device resiliently supporting said catalyst body in said housing while simultaneously clamping said flexible corrugated walled device at respective ends thereof against said flange and said wall portion of said annular chamber.
Claim 5
Dependent Claim
56 words
An apparatus, as claimed in claim 1, and further including an intermediate resilient means operable to apply a force as a result of its resilient return to original size after having been stretched, intermediate and operably secured to said gripping end portions whereby said gripping end portions are resiliently pulled in a direction toward each other.
Claim 6
Dependent Claim
27 words
The apparatus as claimed in claim 1, wherein a ceramic ring means is inserted between said catalyst body and said gripping end portions of said resilient means.
Claim 7
Dependent Claim
24 words
The apparatus as claimed in claim 5, wherein a heat-resistant sealing material is placed between said gripping end portions and said ceramic ring means.
Claim 8
Dependent Claim
44 words
The apparatus as claimed in claim 1, wherein a ceramic sleeve means is placed about said catalyst body, said sleeve means cooperating at the end portions thereof with said gripping end portions of said resilient means for supporting said catalyst in said axial direction.
Claim 9
Dependent Claim
22 words
The apparatus as claimed in claim 7, wherein a heat-resistant material is placed between said gripping end portions and said sleeve means.
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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) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |