Sealed compressor with easy to assemble oil pump

Sealed compressor with easy to assemble oil pump

A sealed compressor has a lower end cap secured to a center shell, and defines a sealed chamber. An electric motor is received within the sealed chamber. The electric motor drives a shaft that drives a compressor pump unit. A lower bearing housing includes a bearing for supporting the shaft, and an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HAHN GREGORY W
Format: Patent
Sprache:eng
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 sealed compressor has a lower end cap secured to a center shell, and defines a sealed chamber. An electric motor is received within the sealed chamber. The electric motor drives a shaft that drives a compressor pump unit. A lower bearing housing includes a bearing for supporting the shaft, and an oil pump. The oil pump includes a pump housing including one of a slot and a leg, with the bearing housing including the other of a slot and a leg. The leg is received in the slot to position the pump housing within the bearing housing. The oil pump further includes a piston to be driven by the shaft to drive the lubricant from a sump in the sealed chamber upwardly into a passage in the shaft.