Seal assembly which is hydraulically actuated

Details Seal assembly which is hydraulically actuated Seal assembly which is hydraulically actuated

1984-11-05

1986-03-11

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 961, 277133, F16J 1534

Patent

active

045751005

ABSTRACT:
Improved shaft seal is provided wherein generally radially extending distendable diaphragms are used to adjust the sealed gap. A flushing lubricant is provided. The seal is particularly suited for use in gear pumps handling viscous materials such as heat plastified thermoplastics.

REFERENCES:
patent: 2352784 (1944-07-01), Geyer
patent: 3971563 (1976-07-01), Sugimura
patent: 3988026 (1976-10-01), Kemp
patent: 4189158 (1980-02-01), Roussin
patent: 4365815 (1982-12-01), Scott
patent: 4424973 (1984-07-01), Heilala
patent: 4515377 (1985-05-01), Johnson
patent: 4531746 (1985-07-01), Amdall
patent: 4573764 (1985-06-01), Albers

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