Mechanical seal

Details Mechanical seal Mechanical seal

1980-04-01

1981-10-13

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 41, 277 93SD, F16J 1534

Patent

active

042944538

ABSTRACT:
A mechanical seal suitable for providing a seal to a shaft sealing section of a rotary machine, particularly of the type operating under high speed and high pressure conditions, including a stationary retainer for holding a stationary sealing element, resilient means and recoil preventing means, a seal housing secured to the stationary retainer in a manner to surround the stationary sealing element, and an inwardly projecting portion formed in the seal housing to prevent axial movement of the stationary sealing element which might otherwise be caused by the biasing force of the resilient means when the mechanical seal is assembled or disassembled. The parts of the mechanical seal can be attached to the casing or detached therefrom as a unit.

REFERENCES:
patent: 3241842 (1966-03-01), Schweiger et al.
patent: 3391942 (1968-07-01), Wilson
patent: 3420535 (1969-01-01), Hershey
patent: 3433489 (1969-03-01), Wiese
patent: 3612548 (1971-10-01), Tracy
patent: 3675933 (1972-07-01), Nappe
patent: 4039196 (1977-08-01), Inouye
patent: 4114900 (1978-09-01), Wiese

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