Perma-tec Gmbh&co.kg

Thomas Hildenbrand

Michael Weigand

Bernd Scheit

Egon Eisenbacher

Stefan Brand

Armin Brand

A container for collecting a liquid lubricant has a housing having one end formed with an inlet opening connectable to a source of the liquid lubricant and an opposite end formed with a vent hole, with a piston inside the housing subdividing the housing into a front lubricant compartment into which the inlet opening opens and a rear compartment into which the vent hole opens. The piston is shiftable between a front position close to the intake opening and a rear position close to the vent hole such that as the liquid lubricant fills the lubricant compartment the piston moves into the rear position. Formations on the piston and on the housing seal between the piston and the housing around the vent hole only when the piston is in the rear position.

Container for collecting waste lubricant

The invention relates to a metering device for lubricant having a lubricant reservoir (), a piston (), which is arranged on a threaded spindle (), within the lubricant reservoir and a drive head, which has a drive shaft () connected to the threaded spindle () and an electromechanical drive () for actuating the drive shaft. The drive shaft () contains a lubricant passage duct () which opens into the lubricant storage space of the lubricant reservoir. A ram () is inserted into the lubricant passage duct () of the drive shaft, said ram having an axial bore () with a nonreturn valve () on the inlet side, and also a ram head () which is arranged in a rotationally fixed manner and is loaded by a compression spring (). The ram head () bears under the effect of the compression spring () against a control surface () of the drive shaft (). The control surface () and the associated contact surface of the ram head () are designed as slotted-guide surfaces which, when the control surface () rotates, bring about stroke movements of the ram (), said movements conveying lubricant through the bore () in the ram () to a lubricant outlet at the end of the ram.

Metering device for lubricant

A lubricant dispenser comprising a housing, a lubricant supply container, a plunger, a telescopic hollow spindle, and an electromechanical servo-drive for changing the length of the telescopic hollow spindle. One end of the telescopic hollow spindle is fixed on the housing. With its other end, the telescopic hollow spindle cooperates with a plunger containing a passage opening for lubricant. The telescopic hollow spindle has a lubricant passage channel in which at least one check valve is arranged on the inlet side. The telescopic hollow spindle alternately carries out setting strokes of different lengths that increase or reduce the length of the spindle. The setting strokes are coordinated with each other so that with a setting stroke of the telescopic hollow spindle increasing the length of the spindle, a preset amount of lubricant displaced by the movement of the plunger enters the lubricant passage channel through the opening check valve.

Growing community of inventors

Bad Brückenau, Germany

Thomas Hildenbrand