MOTOR VEHICLE VACUUM PUMP

The invention relates to motor vehicle vacuum pump (10), comprising a pump chamber (12), in which a pump rotor (11) rotates in a compressing manner, and an outlet chamber (14), into which the compressed gas escapes from the pump chamber (12). The vacuum pump (10) has a separating wall (22), which se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PILENZ WOLFGANG, HAMMER STEFAN, DES ENVER, SOMMER STEFAN, JOB MORITZ JOHANNES
Format:	Patent
Sprache:	chi ; eng
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:	The invention relates to motor vehicle vacuum pump (10), comprising a pump chamber (12), in which a pump rotor (11) rotates in a compressing manner, and an outlet chamber (14), into which the compressed gas escapes from the pump chamber (12). The vacuum pump (10) has a separating wall (22), which separates the pump chamber (12) from the outlet chamber (14), and at least one outlet valve (201, 202)in the separating wall (22), which is designed as a check valve and through which the compressed gas escapes from the pump chamber (12) into the outlet chamber (14). The outlet valve (201, 202) is formed by a valve opening (241, 242) in the separating wall (22), a valve seat (30), which is provided around the valve opening (241, 242), and a leaf spring (401, 402) as a valve body. The valve seat (30) is formed in a raised manner. The radial overlap (U) of the valve seat (30) and the leaf spring (401, 402) is less than 1.5 mm, and the radial overhang (UH) of the leaf spring (401, 402) is greater than 1.0 mm. 本发明涉及种机动车-