Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With filter for non-working fluid
Patent
1987-06-11
1988-08-02
Vrablik, John J.
Rotary expansible chamber devices
Heat exchange or non-working fluid lubricating or sealing
With filter for non-working fluid
418201, 184 616, 184 624, F04C 1816, F04C 2902, F01M 1103
Patent
active
047611235
ABSTRACT:
In the arrangement, a gear housing rotatably journals juxtaposed ends of coacting lobed, male and female rotors on a horizontal plane, and a passageway confined in the housing, on a diagonal plane which tranverses the horizontal plane, conducts oil therethrough to rotor-end bearings from an oil-admittance port at an upper end of the passageway. The rotors, then, are below the port, at a lower end of the passageway and, accordingly, the gear housing-supplied oil is scavenged into the rotors. Further, the compressor has an airend which comprises the gear housing, the latter being of aluminum, die-cast formation, having parallel, side faces, with an oil filter mounting coupled to one of the faces. A drive gear, and a therewith meshing driven gear, are supported by the housing. The driven gear is drivingly coupled to the male rotor, substantially centrally in the housing, and the female rotor is journaled in the housing, as noted, outwardly (relative to the housing) from the driven gear and male rotor.
REFERENCES:
patent: 1626768 (1927-05-01), Vollmann
patent: 1673262 (1928-06-01), Meston et al.
patent: 2014932 (1935-09-01), Hallett
patent: 2243874 (1941-06-01), Lysholm
patent: 2474653 (1949-06-01), Boestad
patent: 3820923 (1974-06-01), Zweifel
patent: 4420293 (1983-12-01), Hofmann
patent: 4563138 (1986-01-01), Hofmann et al.
Emilson Frederick H.
Sowards Brian D.
Ingersoll-Rand Company
Murphy B. J.
Vrablik John J.
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