Hydraulikeinrichtung fuer einen Hydraulikantrieb fuer einen Hochspannungsleitungsschalter
A hydraulic device for a hydraulic drive for a high-voltage circuit-breaker includes a drive piston for a movable contact piece having two piston sides being in connection with a high-pressure reservoir in a closed condition and being acted upon by high-pressure fluid on both sides. For circuit-brea...
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| creator | PLETTNER HORST |
| description | A hydraulic device for a hydraulic drive for a high-voltage circuit-breaker includes a drive piston for a movable contact piece having two piston sides being in connection with a high-pressure reservoir in a closed condition and being acted upon by high-pressure fluid on both sides. For circuit-breaking, a switch-over valve releases a path to a low-pressure space for the fluid in the space with the larger piston area. At least one circuit-closing pilot valve and circuit-breaking pilot valve activate the switch-over valve. A settable delay volume for the fluid is connected in parallel with at least the at least one circuit-breaking pilot valve. |
| format | Patent |
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For circuit-breaking, a switch-over valve releases a path to a low-pressure space for the fluid in the space with the larger piston area. At least one circuit-closing pilot valve and circuit-breaking pilot valve activate the switch-over valve. 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For circuit-breaking, a switch-over valve releases a path to a low-pressure space for the fluid in the space with the larger piston area. At least one circuit-closing pilot valve and circuit-breaking pilot valve activate the switch-over valve. A settable delay volume for the fluid is connected in parallel with at least the at least one circuit-breaking pilot valve.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES</subject><subject>MECHANICAL ENGINEERING</subject><subject>RELAYS</subject><subject>SELECTORS</subject><subject>STEAM ENGINES</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIj0qEwpSizNycxOzcwrykzOKCnNS1dIK00tUgAKpOYpwOUT80qKMlOTUOTykzOKCxLz8oB6inNSM0F6i4uTMxJzSlKLeBhY0xJzilN5oTQ3g7yba4izh25qQX58KlBbcmpeakm8s4eZhaWJoZGjqTFhFQDg7ju3</recordid><startdate>19990331</startdate><enddate>19990331</enddate><creator>PLETTNER HORST</creator><scope>EVB</scope></search><sort><creationdate>19990331</creationdate><title>Hydraulikeinrichtung fuer einen Hydraulikantrieb fuer einen Hochspannungsleitungsschalter</title><author>PLETTNER HORST</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CH689412A53</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>1999</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES</topic><topic>MECHANICAL ENGINEERING</topic><topic>RELAYS</topic><topic>SELECTORS</topic><topic>STEAM ENGINES</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>PLETTNER HORST</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PLETTNER HORST</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hydraulikeinrichtung fuer einen Hydraulikantrieb fuer einen Hochspannungsleitungsschalter</title><date>1999-03-31</date><risdate>1999</risdate><abstract>A hydraulic device for a hydraulic drive for a high-voltage circuit-breaker includes a drive piston for a movable contact piece having two piston sides being in connection with a high-pressure reservoir in a closed condition and being acted upon by high-pressure fluid on both sides. 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| language | ger |
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| subjects | BASIC ELECTRIC ELEMENTS BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES ENGINE PLANTS IN GENERAL FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES MECHANICAL ENGINEERING RELAYS SELECTORS STEAM ENGINES SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | Hydraulikeinrichtung fuer einen Hydraulikantrieb fuer einen Hochspannungsleitungsschalter |
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