| HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 20100224059 | ELECTROHYDRAULIC BOOSTER - An electrohydraulic booster comprises an electromechanical transducer and a hydromechanical power stage which is connected to a pressurized medium supply and encompasses a cylinder and a piston that can be moved therein along the working axis. The electromechanical transducer acts on a spool valve which is associated with the hydromechanical power stage, is disposed at least in part inside the piston, is guided within a guiding bore in such a way as to be movable along the working axis, and has two first leading edges that cooperate with corresponding second leading edges located on the guiding bore in order to form a hydraulic sequential control. The guiding bore consists of two parts, i.e. a cylinder-mounted first section and a second section which can be moved along the working axis and comprises the second leading edges. | 09-09-2010 |
| 20100117015 | PIEZOELECTRIC VALVE - A piezoelectric valve having a housing is provided with an inner chamber, in which ends at least one nozzle communicating with an associated port for a medium and provided with a sealing seat having a seat face, a deformable piezoelectric bending element being received in the inner chamber of the housing in such a way that the nozzle can be closed by a portion of the bending element movable relative to the nozzle in response to deformation of the bending element, and the bending element being provided with padding of an elastically resilient material, at least in its region opposite the nozzle. This sealing seat is disposed at the end face of a nozzle insert, which is disposed to be displaceable substantially perpendicular to the seat face in a receptacle fixed to the housing, a thermally expandable compensating member acting between the receptacle and the associated nozzle insert. | 05-13-2010 |
