MOTOR/PUMP UNIT HAVING A SINGLE ELASTIC DIAPHRAGM

A simple, compact, and economical motor/pump unit for supplying vacuum to a pneumatic brake booster of a motor-vehicle brake system, wherein the motor/pump unit is designed as a diaphragm pump having a single elastomeric diaphragm, which is moved by an electrically operated motor unit by an eccentri...

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Bibliographische Detailangaben
Hauptverfasser: PETZOLD, Falk, KOPPEL, Hans-Michael, JÜRGING, Michael, FELLINGER, Rolf, KREH, Heinrich, GONZALEZ, Jose, MESSNER, Adrian, IMHOF, Stefan, KREBS, Stephan, MEYER, Ulrike, WIEBE, Paul, RÜFFER, Manfred, BACHER, Jens, TOQUERO, Ricardo, MILISIC, Lazar, OEFFNER, Thomas, NIEPENBERG, Marcel, BREITKOPF, Martina
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A simple, compact, and economical motor/pump unit for supplying vacuum to a pneumatic brake booster of a motor-vehicle brake system, wherein the motor/pump unit is designed as a diaphragm pump having a single elastomeric diaphragm, which is moved by an electrically operated motor unit by an eccentric drive, and has a pump housing and a working-space cover and the diaphragm is clamped between the pump housing and the working-space cover at the radial outer edge of the diaphragm in a sealing manner and the working-space cover is designed as a multi-part working-space cover having an upper cover, a lower cover, and an inlet valve and an outlet valve, which are arranged between the upper cover and the lower cover and control the air circulation through the working space.