http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2019017318-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e015bdbcd472938c1ac1b34ca2f94ddc |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F15B20-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F15B11-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F15B20-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F15B11-08 |
| filingDate | 2018-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_be7fb04ed735e3fed70b489cdf773d05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_812f7f3e2a450dae1eb21da97ed57de7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1886d83ff5f3953d257ca7dd8805f7b8 |
| publicationDate | 2019-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | WO-2019017318-A1 |
| titleOfInvention | HYDRAULIC DRIVE DEVICE AND HYDRAULIC DRIVE SYSTEM EQUIPPED WITH SAME |
| abstract | The invention relates to a hydraulic drive device for operating a hydraulic actuator according to the operation of an actuating device, even when there is a failure in an electromagnetic proportional control valve or a wiring path. of it. The invention relates to a hydraulic drive system, wherein: a first pilot pressure and a second output pressure are input to a switching valve so as to oppose each other; the switching valve delivers a set pressure to a flow control valve as a second pilot pressure if the difference obtained by subtracting the second output pressure from the first pilot pressure is greater than or equal to a predefined pressure; the switching valve delivers the second output pressure as the second pilot pressure if the difference is less than the preset pressure; and if such a determination is made that a second electromagnetic proportional control valve or wiring path thereof fails, causing the second output pressure to be zero even if the actuator is operated within one second direction, then a control unit supplies a first electromagnetic proportional control valve and causes the latter to output a first output pressure, which is at least the predefined pressure and corresponds to a second direction actuation quantity of the device as a first pilot pressure to the flow control valve and the switching valve. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7123821-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2020158542-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2020122337-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112639220-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112639220-B |
| priorityDate | 2017-07-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID15110 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID414876609 |
Total number of triples: 22.