Rotary joint with balanced seals

Details Rotary joint with balanced seals Rotary joint with balanced seals

1985-05-31

1987-01-13

Husar, Cornelius J.

Pipe joints or couplings

With fluid pressure seal

285134, 285190, F16L 3904

Patent

active

046359699

ABSTRACT:
A rotary joint for use with rotating heat exchanger drums particularly suitable for installations utilizing higher fluid pressures, temperatures and rotative speeds. The joint includes a nipple mounted upon the drum shaft having an enlarged diameter portion within a body chamber upon which a pair of seals are mounted having differential pressure faces to balance fluid medium pressures imposed upon the seals, seal wear does not produce relative axial displacement between the nipple and body, and concentric alignment between the nipple and body is maintained by axially spaced alignment bushings interposed therebetween.

REFERENCES:
patent: 2270927 (1942-01-01), Browne
patent: 2496471 (1950-02-01), Hornbostel
patent: 2700558 (1955-01-01), Hieronymus
patent: 2805086 (1957-09-01), Shumaker
patent: 2805087 (1957-09-01), Shaw et al.
patent: 3594019 (1971-07-01), Gotschall
patent: 3874707 (1975-04-01), Calkins
patent: 4051604 (1977-10-01), Fleissner
patent: 4194767 (1980-03-01), McCracken
patent: 4254972 (1981-03-01), Wiedenbeck et al.
patent: 4262940 (1981-04-01), Wiedenbeck et al.

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