Displacement machine according to the spiral principle

Details Displacement machine according to the spiral principle Displacement machine according to the spiral principle

1992-12-16

1994-06-07

Bertsch, Richard A.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 91, F01C 102

Patent

active

053184254

ABSTRACT:
A displacement machine for compressible mediums exhibits several spiral-shaped convoying spaces (11a, 11b), which are disposed in a stationary housing (7a, 7b). A displacement body (1-4) is assigned to the conveying spaces and is held in such a manner on a disk-shaped rotor (1) that can be driven eccentrically relative to the housing that during service each of its points effects a circular movement defined by the circumferential walls of the conveying spaces. To this end an eccentric disk (23), on which the rotor (1) is mounted by means of an oil-lubricated mounting, is disposed on the drive shaft (24). A sliding bearing (22) is provided on the rotating eccentric disk (23) for the orbiting rotor (1). The oil is fed in and drawn off by way of a borehole (31) in the eccentric disk. Passages are disposed within the eccentric disk to feed oil without air into the sliding bearing gap.

REFERENCES:
patent: 5024589 (1991-06-01), Jetzer et al.

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