Pumps – Motor driven – Interrelated or common lubricating or cooling means for pump...
Patent
1985-07-18
1986-02-04
Husar, Cornelius J.
Pumps
Motor driven
Interrelated or common lubricating or cooling means for pump...
417410, 417902, 418 88, 418 94, 415 74, 184 616, F04B 3902, F01C 2104, F04D 104
Patent
active
045682534
ABSTRACT:
A horizontal shaft oil pump is provided for use in a compressor comprising an outer housing having an inlet, an outlet, an oil sump, and a crankcase mounted therein. The crankcase has a generally vertically disposed passageway therein in communication with the oil sump, and a crankshaft is horizontally rotatably received in a bore in the crankcase. A reduced diameter portion of the crankshaft forms between the crankshaft and crankcase an annular chamber in communication with the passageway, and a pair of oppositely angularly disposed helical grooves are disposed in the crankshaft on opposite sides of and in communication with the annular chamber. Upon rotation of the crankshaft, a low pressure area is developed in the annular chamber causing lubricant to be drawn upwardly through the crankcase passageway and into the annular chamber. The rotating helical grooves deliver lubricant from the annular chamber to opposite end portions of the crankshaft for lubricating bearings and other moving parts.
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Cuomo Peter M.
Husar Cornelius J.
Jeffers Albert L.
Niewyk Anthony
Tecumseh Products Company
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