Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and vane
Patent
1974-01-16
1976-02-17
Vrablik, John J.
Rotary expansible chamber devices
With mechanical sealing
Seal element between working member and vane
418139, 418145, F01C 1900, F03C 300, F04C 1500, F04C 2700
Patent
active
039389162
ABSTRACT:
A vane type engine having a housing, a shaft journalled therein with a piston member mounted on the shaft and a plurality of vanes forming with the housing a piston member a plurality of chambers. A seal member supported in each opposite axial end face of the piston member and engaging the end walls of the housing, an insert supported in each vane and extending therethrough to engage at one end the seal member in the piston member and at the other end the base of the slot in which the vane is disposed, the fit between the insert and the vane extension being such as to prevent the passage of gas between the insert and the vane extension but to permit movement therebetween in the axial direction resulting from different expansion of the piston, vane and housing during operation.
REFERENCES:
patent: 910175 (1909-01-01), Cole
patent: 3269329 (1966-08-01), Eickmann
patent: 3809024 (1974-05-01), Abbey
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