Patent ID: 9506573
Filing Date: 2016-11-29
CPC Classification: F15B,F16K,H01H

Claim Text:
1. A hydraulic valve for connecting a first fluid-conducting pressure line to a second fluid-conducting pressure line in an actuator for activating a high- or medium-voltage circuit breaker, the hydraulic valve comprising: a housing with a first channel inlet for attachment to the first pressure line, and a second channel inlet for attachment to the second pressure line, and a cavity situated between the first and the second channel inlets; a sealing body configured to be moveable in the cavity and having a circumference which is greater, at least at one point, than a respective circumference of openings, adjoining the cavity, of the first and the second channel inlets, wherein the sealing body is geometrically matched to a cross-section of these openings such that it completely seals the openings when seated on the openings; a first spring element, fastened in the first channel inlet opening, connected to the sealing body on a first side and projecting into the cavity in a relaxed state; and a second spring element, fastened in the second channel inlet opening, connected to the sealing body on a second side and projecting into the cavity in a relaxed state.