Fluid connections to rotary members

Details Fluid connections to rotary members Fluid connections to rotary members

1979-05-07

1981-05-19

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 71, 277DIG8, 308 361, F16J 1500

Patent

active

042680441

ABSTRACT:
A connection for the supply of fluid under pressure to a rotary member. The connection comprising a rotary member having a rotary surface; a non-rotatory annular member having a stationary surface engaged with said rotary surface at an interface therebetween; a finite clearance between said surfaces at the interface; one fluid passageway in the non-rotatory member connecting with the interface; a second fluid passageway in the rotary member connecting with the interface; and a groove providing a continuous connection between the two passageways. There are two seals, located either side of the groove at the interface which act between the two members and a bearing ring also arranged at the interface to hold the non-rotatory member concentric with rotary member, the non-rotatory member being free to move radially except for the contraint provided by the bearing ring.

REFERENCES:
patent: 3149849 (1964-09-01), Baldridge
patent: 3565447 (1971-02-01), Jochin et al.
patent: 3592480 (1971-02-01), Koranyl

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