Noncontact mechanical seal

Details Noncontact mechanical seal Noncontact mechanical seal

1990-11-07

1992-06-16

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 96, 277 961, 277 83, 277 81R, F16J 1534, F16J 1554

Patent

active

051219310

ABSTRACT:
A noncontact mechanical seal has a seal ring which includes a sealing face portion formed by ventilative porous materials and a ventilating portion to pass a gas of a high pressure side to the sealing face portion from the back side of said sealing face portion. The sealing face portion is preferably a porous ring independently formed of said seal ring and mounted on the seal ring providing a space at the back side thereof. The seal ring preferably is provided with a small diameter thin portion at the portion forming the bottom of the space.

REFERENCES:
patent: 2491233 (1949-12-01), Vedovell
patent: 2884268 (1959-04-01), Amirault et al.
patent: 2937039 (1960-05-01), Santapa
patent: 3093382 (1963-06-01), Macks
patent: 3389921 (1968-06-01), Lojkutz
patent: 3462159 (1969-08-01), Baumann et al.
patent: 3652183 (1972-03-01), Pottharst, Jr.
patent: 4103907 (1978-08-01), Inouye et al.
patent: 4165085 (1979-08-01), Persson
patent: 4277072 (1981-07-01), Forch
patent: 4291887 (1981-09-01), Etsion et al.
patent: 4445695 (1984-05-01), Wilkinson
patent: 4776598 (1988-10-01), Akema
patent: 4799693 (1989-01-01), Johnston
patent: 4997192 (1991-03-01), Nagai et al.

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