Drive bearing device for a fluid displacement apparatus

Details Drive bearing device for a fluid displacement apparatus Drive bearing device for a fluid displacement apparatus

1982-10-12

1985-04-23

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418151, 384452, 384548, F01C 102, F01C 2102, F16C 1916, F16C 1949

Patent

active

045127298

ABSTRACT:
A fluid displacement apparatus is disclosed which includes a housing having a front end plate, a fixed fluid displacement member and an orbiting fluid displacement member. The fixed and orbiting members interfit to make a plurality of line contacts to define sealed off fluid pockets. A driving mechanism, including a drive shaft, is disposed within the housing and is connected to the orbiting member to effect orbital motion of the orbiting member upon rotation of the drive shaft. The drive shaft is rotatably supported by the front end plate through an angular bearing disposed within the front end plate. The pressure cone apex of the angular bearing coincides with the driving point of the orbiting member. A thrust race is disposed on one axial end surface of the angular bearing, and a ring plate is disposed within the front end plate facing the thrust race at a predetermined axial distance. A thrust bearing is placed in the axial gap between the thrust race and the ring plate to carry the thrust force from the angular bearing.

REFERENCES:
patent: 980426 (1911-01-01), Lockwood
patent: 2118767 (1938-05-01), Proffitt
patent: 3302986 (1967-02-01), Grolman et al.
patent: 3377846 (1968-04-01), De Coye De Castelet
patent: 3884599 (1975-05-01), Young et al.
patent: 4129405 (1978-12-01), McCullough

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