US4504218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic burner plate
Assignee: Panasonic Holdings Corp
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Filing: 1982-01-28
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Granted: 1985-03-12
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Expires: 2002-01-28
Abstract
Abstract PCT No. PCT/JP82/00027 Sec. 371 Date Sep. 28, 1982 Sec. 102(e) Date Sep. 28, 1982 PCT Filed Jan. 28, 1982 PCT Pub. No. WO82/04484 PCT Pub. Date Dec. 23, 1982.This invention relates to a ceramic burner plate using a fiber composite ceramic (1) of low thermal conductivity having gas passages (3), and provides a burner plate, wherein the burner plate contains a lithium component and such components as nickel, manganese, cobalt, titanium, copper, iron, chromium, and vanadium, to assist in the combustion of gas, and has a surface construction (2) having triangular projections, hexagonal projections or rhombic projections, to ensure increased heat radiation.
Inventors
- 👤 Toshihiro Mihara
- 👤 Takao Kusuda
- 👤 Koichi Noma
- 👤 Hiromitsu Taki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:48
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/36; C04B35/00; C04B35/622; C04B35/626; C04B35/62605; C04B35/62625; C04B35/6263; F; F23; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3201; C04B2235/3203; C04B2235/3231; C04B2235/3232; C04B2235/3239; C04B2235/3241; C04B2235/3262; C04B2235/327; C04B2235/3272; C04B2235/3275; C04B2235/3279; C04B2235/3281; C04B2235/50; C04B2235/52; C04B2235/5208; C04B2235/5216; C04B2235/522; C04B2235/5228; C04B2235/526; C04B2235/70; C04B2235/74; C04B2235/77; C04B2235/94; C04B2235/945; C04B2235/96; C04B2235/9607
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
108 words
A ceramic burner plate comprising a composite ceramic structure of fireclay and ceramic fiber, said ceramic burner plate having a lithium component as a metal oxide for reduction of carbon monoxide in exhaust gases from the burner plate, at 0.1 wt. % to 5 wt. % based on the total weight of the composite ceramic, and at least one component as a metal oxide, at 0.1 wt % to 5 wt. % based on the total weight of the composite ceramic, selected from the group consisting of nickel, manganese, cobalt, titanium, copper, iron, chromium, and vanadium, and said burner plate having a continuous undulating pattern on its surface.
Claim 2
Dependent Claim
108 words
A ceramic burner plate comprising a composite ceramic structure of fireclay and ceramic fiber, said ceramic burner plate having a lithium component as a metal oxide for reduction of carbon monoxide in exhaust gases from the burner plate, at 0.1 wt. % to 5 wt. % based on the total weight of the composite ceramic, and at least one component as a metal oxide, at 0.1 wt % to 5 wt. % based on the total weight of the composite ceramic, selected from the group consisting of nickel, manganese, cobalt, titanium, copper, iron, chromium, and vanadium, and said burner plate having a continuous undulating pattern on its surface.
Claim 3
Dependent Claim
20 words
A ceramic burner plate as set forth in claim 1, wherein the plate surface is formed with continuous triangular projections.
Claim 4
Dependent Claim
20 words
A ceramic burner plate as set forth in claim 1, wherein the plate surface is formed with continuous square recesses.
Claim 5
Dependent Claim
20 words
A ceramic burner plate as set forth in claim 1, wherein the plate surface is formed with continuous rhombic projections.
Claim 6
Dependent Claim
20 words
A ceramic burner plate as set forth in claim 1, wherein the plate surface is formed with continuous hexagonal projections.
Claim 7
Dependent Claim
20 words
A ceramic burner plate as set forth in claim 1, wherein the plate surface is formed with continuous hexagonal recesses.
References Cited (Backward Citations)
US3170504A
Cited
US3251396A
Cited
US3291188A
Cited
GB1117428A
Cited
GB1264241A
Cited
US3954387A
Cited
JPS5250036A
Cited
JPS54153343A
Cited
JPS5525773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-03-11 | 1988-09-10 | 1989-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-11 | 1992-09-10 | 1993-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-11 | 1996-09-10 | 1997-03-12 | $7700.00 | Window Closed / Lapsed |