MOTOR VEHICLE VACUUM PUMP

A motor vehicle vacuum pump includes a pump chamber with a pump rotor, an outlet chamber, a separating wall which separates the pump chamber from the outlet chamber, and an outlet valve arranged in the separating wall. The outlet valve is designed so that a compressed gas escapes from the pump chamb...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PILENZ, Wolfgang, HAMMER, Stefan, SOMMER, Stefan, DES, Enver, JOB, Moritz Johannes
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	A motor vehicle vacuum pump includes a pump chamber with a pump rotor, an outlet chamber, a separating wall which separates the pump chamber from the outlet chamber, and an outlet valve arranged in the separating wall. The outlet valve is designed so that a compressed gas escapes from the pump chamber into the outlet chamber therethrough. The outlet valve is formed by a valve opening in the separating wall, a valve seat having a raised shape arranged around the valve opening, and a leaf spring as a valve body. The leaf spring abuts on the valve seat in a closed position and is spaced from the valve seat in an open position. The leaf spring has a radial overlap with the valve seat in the closed position of less than 1.5 mm and a radial projection outward beyond the raised valve seat which is larger than 1.0 mm.