Sealing device for operating shafts in food processing machines

Details Sealing device for operating shafts in food processing machines Sealing device for operating shafts in food processing machines

1992-11-04

1994-06-28

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 59, 277 71, 277152, F16J 1532

Patent

active

053240464

ABSTRACT:
The shaft (16) goes through a hole in a wall (10). A bushing (26) is attached to the wall and carries a first gasket (28) adjacent to the wall and sealing against the shaft (16) and a lip seal (32) at a distance from the first gasket so that a toroidal chamber (34) is defined between the first gasket, the web, the bushing and the shaft. An inlet passage (44), preferably bored in the body of the bushing, connects said toroidal chamber (34) with a source of pressurized water, and an outlet passage (48), also preferably bored in the body of the bushing, drains the water from the toroidal chamber (34).

REFERENCES:
patent: 2133487 (1938-10-01), Spargo
patent: 2493152 (1950-01-01), Malcolm
patent: 3510177 (1970-05-01), Shimula
patent: 3521890 (1970-07-01), Holmes et al.
patent: 3550970 (1970-12-01), Hjerten
patent: 3825270 (1974-07-01), Paramonoff et al.
patent: 3879042 (1975-04-01), Krainski et al.
patent: 3943717 (1976-03-01), Schexnayder
patent: 4222575 (1980-09-01), Sekiguchi et al.
patent: 4413829 (1983-11-01), Pietsch
patent: 5207794 (1993-05-01), Erdal

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