EP0110488A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
An engine part
Assignee: NGK Insulators Ltd
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Filing: 1983-01-06
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Granted: —
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Expires: 2003-01-06
Abstract
Abstract The disclosed engine part comprises a plurality of ceramic members overlaid one on the other and including at least a first ceramic member with a front surface to be in contact with hot gas and a second ceramic member arranged behind the first member, each of the first member and the second member has a mechanical strength of more than 20 kg/m m 2 .
Inventors
- 👤 Minoru Matsui
- 👤 Takao Soma
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 13:04
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F02F1/18; F02F7/00; F02F7/0085; F02F7/0087; F16; F16J; F16J10/00; F16J10/02; F16J10/04; F05; F05C; F05C2203/00; F05C2203/08; F05C2203/0804; F05C2203/083; F05C2203/0843; F05C2203/0865; F05C2203/0882; F05C2203/0895; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12347; Y10T428/23
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
70 words
An engine part, comprising a plurality of ceramic members overlaid one on the other, said ceramic members including at least a first ceramic member with a front surface adapted to be in contact with a hot gas and a second ceramic member arranged behind the first ceramic member, each of said first ceramic member and said second ceramic member having a mechanical strength of more than 20 kg/mm 2 .
Claim 2
Dependent Claim
70 words
An engine part, comprising a plurality of ceramic members overlaid one on the other, said ceramic members including at least a first ceramic member with a front surface adapted to be in contact with a hot gas and a second ceramic member arranged behind the first ceramic member, each of said first ceramic member and said second ceramic member having a mechanical strength of more than 20 kg/mm 2 .
Claim 3
Dependent Claim
23 words
An engine part as set forth in claim 1, wherein said overlaid ceramic members are fitted in the inside of a metallic member.
Claim 4
Dependent Claim
37 words
An engine part as set forth in claim 1, wherein the engine part comprises at least one lubricating layer inserted between adjacent ceramic members so as to facilitate the ceramic members to slide relative to each other.
Claim 5
Dependent Claim
37 words
An engine part as set forth in claim 2, wherein the engine part comprises at least one lubricating layer inserted between adjacent ceramic members so as to facilitate the ceramic members to slide relative to each other.
Claim 6
Dependent Claim
31 words
An engine part as set forth in claim 1, 2, 3 or 4, wherein at least one of said first ceramic member and said second ceramic member is made of zirconia.
Claim 7
Dependent Claim
36 words
An engine part as set forth in claim 1, 2, 3 or 4, wherein said engine part forms at least one of a cylinder, a cylinder head, a piston, a precombustion chamber, and a port liner.
Claim 8
Dependent Claim
27 words
An engine part as set forth in claim 6, wherein at least one of said first ceramic member and said second ceramic member is made of zirconia.
References Cited (Backward Citations)
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