Knorr-bremse Systeme Fur Schienenfahrzeuge Gmbh

Knorr-bremse Systeme Fur Nutzfahrzeuge Gmbh

Knorr-bremse Systeme Fuer Nutzfahrzeuge Gmbh

Gerhard Pröll

Michael Hartl

Christian Achatz

Klaus-Michael Schneider

Dieter Weisse

Christian Becker

Adrian Platas Del Coso

Compressor arrangement for generating compressed air using a motor-operator compressor unit, downstream of which at least one cooler unit is connected for cooling the generated compressed air, which enters the cooler unit via at least one inlet, flows there through a cooling structure, from a plurality of cooling passages connected in parallel and leaves the cooler unit via at least one outlet, wherein a permanently open bypass pipe is provided between the region of the inlet and the region of the outlet, the inner cross section of which bypass pipe is matched to the delivery capacity of the compressor unit and to the pressure difference between inlet and outlet such that the bypass pipe, at normal ambient temperatures, causes a higher flow resistance than the cooling structure, whereas, as freezing of the cooling structure progresses, the compressed air flows increasingly via the bypass pipe.

Compressor arrangement with bypass means for preventing freezing of the cooling unit

A water-cooled piston compressor having at least one air-compressing piston, which can be driven with means for producing a linearly oscillating drive force and which is accommodated in an axially movable manner in a cylinder housing which is closed at the end face via a cylinder head and is provided with water-cooling means, wherein the water-cooling means comprise a cylinder housing which is formed with a double wall and on whose end face facing the cylinder head a plurality of cooling openings are arranged, via which coolant flowing through the double-walled cylinder housing comes into contact with the region of the cylinder head.

Water-cooled piston compressor

Growing community of inventors

Garching, Germany

Gerhard Pröll