Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working and working fluids intermix in working chamber
Patent
1995-04-10
1996-07-16
Freay, Charles
Rotary expansible chamber devices
Heat exchange or non-working fluid lubricating or sealing
Non-working and working fluids intermix in working chamber
418 89, 418 98, 418DIG1, 55495, F01C 2104
Patent
active
055361536
ABSTRACT:
A non-contact vane-type fluid-displacement machine includes a stator housing having an annular interior surface defining an interior bore and a rotor supported in an eccentric position in the interior bore of the stator housing relative to the annular interior surface thereof to undergo rotation relative to the stator housing about a central rotational axis. The rotor has at least one slot radially defined therein relative to the rotational axis. The machine also has at least one vane disposed in radial slot of the rotor. The vane is mounted to the rotor to undergo reciprocable movement in a radial direction relative to the rotational axis of the rotor such that an outer tip portion of the vane is maintained in a non-contacting substantially sealed relationship with the interior surface of the stator housing. Improved features of the machine relate to a lubricant separator and sump arrangement incorporated in the stator housing of the machine.
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patent: 4279578 (1981-07-01), Kim et al.
patent: 4717321 (1988-01-01), Shiboya et al.
patent: 5160252 (1992-11-01), Edwards
Freay Charles
Jensen Roger W.
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