Corner seal for rotary mechanisms

Details Corner seal for rotary mechanisms Corner seal for rotary mechanisms

1975-12-22

1977-02-22

Vrablik, John J.

Rotary expansible chamber devices

Nutating working member

With mechanical sealing

418121, 418142, F01C 1908, F04C 2700, F01C 102

Patent

active

040089860

ABSTRACT:
An improved corner seal for rotary mechanisms, such as trochoidal or slant axis rotary mechanisms. The mechanism includes a housing defining a chamber with a rotor movable therein. The rotor includes a piston seal receiving bore and a piston seal is received in the bore and sealingly engages one wall of the chamber. An apex seal receiving groove is located in the rotor and intersects the bore. An apex seal is received in the groove and sealingly engages another wall of the chamber. A ring-like expander seal is within the bore and sealingly engages the piston seal and the bore when gas under pressure is directed to the bore from the groove.

REFERENCES:
patent: 3180560 (1965-04-01), Paschke
patent: 3180562 (1965-04-01), Bentele
patent: 3326454 (1967-06-01), Castelet
patent: 3881848 (1975-05-01), Huf

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