Impeller pump and seal

Details Impeller pump and seal Impeller pump and seal

1980-04-08

1982-08-03

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

415175, F04D 2910

Patent

active

043425372

ABSTRACT:
A centrifugal pump is provided having a housing, a pump chamber in said housing, a pumping impeller in said pump chamber, a rotatable shaft extending through said housing into said chamber carrying said impeller, a packing box in said housing surrounding the rotatable shaft adjacent the pump chamber, a rotatable sleeve removably fixed on said shaft extending from said impeller through said packing box and rotating with said shaft, a stationary sleeve in said housing extending from said packing box to a point adjacent said impeller and surrounding a portion of said rotatable sleeve between said packing box and impeller, packing means in said packing box surrounding said rotatable sleeve, said packing box being surrounded by a liquid being pumped by said impeller over a major portion of its outer surface, and a continuous pressure lubricant source connected to said packing box supplying continuous lubrication between the rotatable sleeve and stationary sleeve.

REFERENCES:
patent: 2741991 (1956-04-01), Disbrow
patent: 3516759 (1970-06-01), Haentjens
patent: 3552875 (1971-01-01), Bond
patent: 3609058 (1971-09-01), Tarsoly
patent: 3954348 (1976-05-01), Renaud
patent: 4179247 (1979-12-01), Osborn

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