Patents Represented by Attorney Burtsell Joseph Kearns

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  • Barometric leg for rotary vacuum filter
    Patent number: 4142976
    Abstract: A rotary vacuum filter having a barometric or drop leg for generating vacuum in the filtration cycle of the filter wherein the end of the leg immersed in the seal pit is formed to a frustro-conical configuration for both reducing turbulence in the seal pit as the air-liquid mixture exits therefrom and for recovering a portion of the energy in the velocity head of the air-liquid mixture flow.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: March 6, 1979
    Assignee: Dorr-Oliver Incorporated
    Inventor: Paul A. Browne