DRIVE MECHANISM FOR SCROLL PUMP

A scroll type fluid displacement apparatus is disclosed which includes a housing having a front end plate and a cup shaped casing. A fixed wrap extends into an operative interior area of the casing from an inner end surface of an end plate of the cup shaped easing. An orbiting scroll has an end plat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MASAHARU HIRAGA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A scroll type fluid displacement apparatus is disclosed which includes a housing having a front end plate and a cup shaped casing. A fixed wrap extends into an operative interior area of the casing from an inner end surface of an end plate of the cup shaped easing. An orbiting scroll has an end plate from which an orbiting wrap extends, and an opening at the center of the end plate. A drive shaft is rotatably supported by the front end plate and a crank pin extends from its inner end surface. The crank pin is rotatably carried within the opening of the end plate of the orbiting scroll through a bearing to thereby rotatably support the orbiting scroll, The crank pin has a radial flange at its inner end surface and a spring washer is disposed between the radial flange and the bearing to urge the orbiting scroll against the front end plate.