http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-970707413-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T137-7759 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T137-7761 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T137-7727 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16K31-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16K31-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F17D1-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16K31-122 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16K31-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F17D1-04 |
| filingDate | 1995-09-20^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1997-12-01^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-970707413-A |
| titleOfInvention | VALVE DRIVING DEVICE |
| abstract | The present invention relates to a valve drive device for operating a discharge valve and a shutoff valve provided on a gas or liquid pipeline, wherein a gas / oil type booster or hydraulic pump is branched from the cylinder's first surface of the actuator and the gas pipeline. Provided between gas piping and the booster and hydraulic pump are connected to each other via a pipe, the actuator is driven with increased hydraulic pressure by a booster with pressure on the first side of the gas pipeline used as the power source. Therefore, since the shutoff valve is closed and the booster is restored by a hydraulic pump provided between the booster and the actuator, the gas in the booster is returned to the gas pipe line through the gas pipe. |
| priorityDate | 1995-09-20^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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