FLUID PUMP NOISE REDUCTION MEANS

FLUID PUMP NOISE REDUCTION MEANS

A rotary vane air pump for the exhaust system of an internal combustion engine has an air inlet modified for quieter operation by the extension of the air inlet passage and the addition, at the junction of the extended inlet passage and the pump working chamber, of an accumulator volume open to the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ZIEHL H,US, STILES J,US
Format: Patent
Sprache: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:A rotary vane air pump for the exhaust system of an internal combustion engine has an air inlet modified for quieter operation by the extension of the air inlet passage and the addition, at the junction of the extended inlet passage and the pump working chamber, of an accumulator volume open to the inlet passage and working chamber but outside the main flow of air through the pump.