Gastight liquid-type dynamic seal for control shafts of pressuri

Details Gastight liquid-type dynamic seal for control shafts of pressuri Gastight liquid-type dynamic seal for control shafts of pressuri

1975-03-27

1977-01-04

King, Lloyd L.

Cutlery

277135, F16C 124, F16C 3372

Patent

active

040009300

ABSTRACT:
A gastight dynamic seal sealing the pressurized enclosure of a compressed-gas circuit interrupter to a rotatable through control shaft. Radial partition walls of a sleeve surrounding the shaft define a plurality of liquid-filled gas-trap chambers separated by small throttle passageways causing the gas leaking through elastomer joints disposed in some of said chambers to be dissolved in the liquid in degressive concentration, going from the pressurized side of the seal towards the atmospheric side thereof.

REFERENCES:
patent: 2067034 (1937-01-01), Whiteley
patent: 2288638 (1942-07-01), Nazro
patent: 2518338 (1950-08-01), Lampe
patent: 2621087 (1952-12-01), Kluge
patent: 2799532 (1957-07-01), Smart
patent: 2921804 (1960-01-01), Jekat
patent: 3347604 (1967-10-01), Lavelle et al.
patent: 3439963 (1969-04-01), Hein et al.
patent: 3452839 (1969-07-01), Swearingen

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