Doppelmembranpumpe mit einer zweistufigen Luftventilbetätigungseinrichtung

Doppelmembranpumpe mit einer zweistufigen Luftventilbetätigungseinrichtung

A double diaphragm pump operated by selectively switching pressurized air into either of two diaphragm chambers; the air actuator valve is a cup valve which is slidable over orifices in a valve plate, and actuable by air pistons; the air pistons are coupled via passageways to a pilot valve which is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PLAGER, STEVEN PAUL, BURNSVILLE, MINN., US, JOHNSON, HAROLD, BUFFALO, MINN., US, KVINGE, DANIEL J., SHOREVIEW, MINN., US, ZARNEKE, RICHARD DEAN, MOUNDSVIEW, MINN., US
Format: Patent
Sprache:ger
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Beschreibung
Zusammenfassung:A double diaphragm pump operated by selectively switching pressurized air into either of two diaphragm chambers; the air actuator valve is a cup valve which is slidable over orifices in a valve plate, and actuable by air pistons; the air pistons are coupled via passageways to a pilot valve which is a second cup valve slidable over orifices in a valve plate, the cup valve being actuable by pins extending into the diaphragm chambers and into contact with diaphragm members at predetermined positions.