Wabco Westinghouse Gmbh

Helmut Gottling

The invention relates to a positioner device for positioning the piston and piston rod of a double-acting, pneumatic operating cylinder at a preselected position for setting the position of a device connected thereto, such as the lever of a throttle valve, for example, with the positioner device having a locking device connected to the piston rod which can be controlled by a control valve for securing and maintaining the piston and rod in the selected position, without variance, until deliberately changed.

Stopping device for double-acting, pneumatic operating cylinders

A fluid pressure cut-off safety device interposable in a fluid pressure supply pipe and operable responsively to a reduction of fluid pressure in the supply pipe to a predetermined degree for automatically cutting off communication through the supply pipe until such communication is restored by manual resetting of the device.

Growing community of inventors

Oberweser, Germany

Helmut Gottling