http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107923532-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C16-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16J9-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C16-0281 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16J9-26 |
| filingDate | 2015-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107923532-B |
| titleOfInvention | Piston ring and engine |
| abstract | A piston ring having a carbon film of film quality optimized in accordance with the required performance of each surface formed on the outer peripheral sliding surface and the upper and lower surfaces with good productivity, and a high-performance engine using the piston ring are provided. A piston ring having carbon films formed on an outer peripheral sliding surface and upper and lower surfaces, wherein the carbon films are formed by laminating at least two carbon film layers having different film qualities, and the layer thickness ratios of the two carbon film layers are different between the outer peripheral sliding surface and the upper and lower surfaces. A piston ring, wherein a carbon film is formed by laminating a1 st carbon film layer formed on a piston ring body side and a 2 nd carbon film layer formed on a surface side, and a layer thickness of the 2 nd carbon film layer in upper and lower faces is thinner than a layer thickness of the 2 nd carbon film layer in an outer peripheral sliding face, and a ratio of the layer thickness of the 2 nd carbon film layer to the layer thickness of the 1 st carbon film layer is larger in the outer peripheral sliding face than in the upper and lower faces. |
| priorityDate | 2015-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.