Utility vehicle e.g. battery-electrical fork-lift truck, has brake valve actuated from reduction position into supplying position and from supplying position into reduction position, by electric impulse

摘要

The vehicle has a hydraulic cable guided into a pressure chamber of a parking brake i.e. hydraulically detachable spring-loaded brake. An electrically actuated brake valve (6) i.e. impulse valve, is inserted into the cable, and has a pressure supplying position and a pressure reduction position connecting the chamber with a pressure sink. The valve is actuated from the reduction position into the supplying position and from the supplying position into the reduction position, by an electric impulse. The valve remains in an occupied position with missed impulse.