Rotary piston machine with mating frustoconical sealing surface

Details Rotary piston machine with mating frustoconical sealing surface Rotary piston machine with mating frustoconical sealing surface

1983-03-29

1984-07-31

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

By changing working member or cylinder relative position

418111, 418194, 418196, 418227, F01C 108, F01C 1900, F01C 2108, F01C 2110

Patent

active

044627750

ABSTRACT:
A rotary fluid machine of the kind that is to be actuated by any fluid under pressure in which a rotor (15) carrying a piston member (15.sub.4) rotates continuously when the machine is in operation about the axis (AA1) of an annular chamber (21), the piston member (15.sub.4) is geared to rotary obturators (17.sub.A 17.sub.B) that rotate in sealing chambers 21.sub.1 in an annular member 21.sub.2 projecting into the annular chamber 21 about an axis (BB1, CC1) substantially parallel to said axis (AA1) of the annular chamber (21) and the rotary obturator has a recess into which a part of the piston enters during rotation to provide a working section in the cylinder as working fluid is fed to the piston. The machine is characterized in that the piston member (15.sub.4) has a frusto-conical peripheral surface (G1, G2) that seals with a frusto-conical mating surface of its annular chamber, the two surfaces being kept into sealing contact by an axial force of the axis (AA1) of a right cone common to both said surfaces.

REFERENCES:
patent: 540727 (1895-06-01), Dixon
patent: 722480 (1903-03-01), Bergmann
patent: 1020842 (1912-03-01), Ogden
patent: 1268771 (1918-06-01), Randolph
patent: 1782766 (1930-11-01), Randolph
patent: 2210152 (1940-08-01), Sacha
patent: 2236370 (1941-03-01), Jackman
patent: 3852001 (1974-12-01), Miller

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