Patent ID: 9046170
Filing Date: 2015-06-02
Classification: F15B,F16H,Y02E,Y10T

Abstract:
1. A device for pulsed release of an amount of stored fluid, comprising: an accumulator housing; a main piston supported on a first energy accumulator and displaceable inside said accumulator housing, said accumulator housing and said main piston limiting the amount of fluid that can be accumulated in said accumulator housing; and a locking device holding said piston in prestressed position of said main piston in a locked position of said locking device and releasing said piston for movement in said accumulator housing under force of said first energy accumulator in a released position of said locking device, said locking device including a piston and cylinder arrangement with a cylinder housing subdivided into a first working chamber and a second working chamber by a working piston, one of a circumference or an interior of said working piston having an electrorheological or magnetorheological valve formed as a gap or opening between said working chambers, the gap or opening being charged with a variable magnetic or electric field forming an actuating device, flow resistance of said electrorheological or magnetorheological fluid located in said working chambers being variable up to a blockage of said gap or opening; whereby, when said main piston is released by said locking device upon actuation of said actuating device, said main piston pushes the amount of fluid out of said accumulator housing in a pulsed manner.