Air controlled rotary joint compensator

Details Air controlled rotary joint compensator Air controlled rotary joint compensator

1989-05-15

1990-11-20

Arola, Dave W.

Pipe joints or couplings

With indicator, alarm or inspection means

285 95, 285134, 285900, F16L 3500

Patent

active

049713671

ABSTRACT:
The invention pertains to the method and apparatus of compensating for the axial bearing load forces imposed upon rotary joints conveying a pressurized fluid medium, such as steam, by imposing an axial force on the rotary joint housing proportional to the pressure within the rotary joint by use of a distinctively different pressurized medium than that conveyed by the joint, such as compressed air. An expansible chamber motor capable of imposing an axial force on the rotary joint utilizes compressed air whose pressure is controlled by a sensing and regulating system responsive to the pressure within the rotary joint.

REFERENCES:
patent: 1896062 (1933-02-01), Berry
patent: 2700558 (1955-01-01), Hieronymus
patent: 3098665 (1963-07-01), Smith
patent: 3874707 (1975-04-01), Calbins

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