Rotary expansible chamber devices – Multistage – Interengaging rotary members
Patent
1989-04-14
1990-10-02
Koczo, Michael
Rotary expansible chamber devices
Multistage
Interengaging rotary members
418166, F01C 130
Patent
active
049603701
ABSTRACT:
The rotary piston machine has two internal rotors (2, 3) fixed to a common shaft (12) and two external rotors (4, 5) rigidly interconnected by means of an annular rotor disk (9). The working spaces (16) between the engagement parts of both external rotors (4, 5) extend a maximum extension (19) radially inward past the inner boundary of rotor disk (9). For the axial sealing of the working spaces (16), also in the area of said extension (19), the rotor disk (9) encloses a partition body (15), which surrounds the shaft (12) of the internal rotors (2, 3) by means of a bearing (43). A further bearing (13) is provided between rotor disk (9) and partition body (15). Partition body (15) is prevented from concomitant rotation with one of the two rotary machine parts (9, 12) adjacent thereto as a result of the radial displacement of the shaft (12) engaging therein relative to the rotation axis of rotor disk (9). Partition body (15) permits the axial subdivision of the machine into a low pressure part (22) and a high pressure part (23), accompanied by a reinforcement of the engagement parts of the external rotor (4, 5) by its rigid connection to the rotor disk (9).
REFERENCES:
patent: 2490115 (1949-12-01), Clarke
patent: 2531808 (1950-11-01), Eames
patent: 3244111 (1966-04-01), Shelhart
patent: 3474954 (1969-10-01), Linder
patent: 3551081 (1970-12-01), Brundage
patent: 4714417 (1987-12-01), Wankel
Burkhardt, executor by Thomas
Meysen, executor by Fried
Obrist Frank
Renz, executor by Gerhard
Wankel, deceased Felix H.
Koczo Michael
Makosy Douglas J.
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