Rotary fluid-driven motor with sealing elements

Details Rotary fluid-driven motor with sealing elements Rotary fluid-driven motor with sealing elements

2005-08-17

2009-11-10

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

With mechanical sealing

Seal element between vane and cylinder

C418S116000, C418S140000, C418S145000, C418S152000, C418S259000

Reexamination Certificate

active

07614861

ABSTRACT:
A static-fluid-pressure-driven rotary motor includes a casing, which defines a chamber having a fluid inlet and a fluid outlet, and at least one rotor assembly rotatably mounted within the casing. The rotor assembly includes a rotor, a plurality of barrier elements associated with, and extending outwards from, the rotor, and a resilient seal associated with at least an outer edge of each of the barrier elements. As the rotor turns about its axis of rotation, the outer edges of the barrier elements passing in proximity to a facing wall of the casing chamber against which the resilient seals for a sliding seal while accommodating variations in clearance between the outer edge of the barrier element and the facing wall of the casing.

REFERENCES:
patent: 140914 (1873-07-01), Grotz
patent: 674837 (1901-05-01), Gadberry
patent: 3465683 (1969-09-01), Blomgren
patent: 5100308 (1992-03-01), Gevelhoff et al.

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