Slurry continuous pressure-feeding apparatus

Details Slurry continuous pressure-feeding apparatus Slurry continuous pressure-feeding apparatus

1975-08-29

1977-07-26

Freeh, William L.

Pumps

One fluid pumped by contact or entrainment with another

Liquid piston

417103, 417900, F04F 1100

Patent

active

040379922

ABSTRACT:
With a slurry continuous pressure-feeding apparatus wherein normally three feed chambers alternatively operate to continuously pressure-feed the slurry, in the case of continuously pressure-feedingthe surry by using two feed chambers, the same amount of slurry as in the case of three feed chambers can be pressure-fed by operating an auxiliary slurry pump installed in parallel with a slurry pump. Some portions of piping systems maintained with the feed chambers are formed with bending pipes which absorb expansion or contraction of the piping systems due to thermal expansion of the piping systems and the fluidic pressure of a fluid flowing through the interiors of the pipes. A float formed in the form of a cylindrical body closely attachingly provided at both upper and lower ends thereof with bowl-shaped end plates, is inserted into the respective feed chambers.

REFERENCES:
patent: 474053 (1892-05-01), Bennett
patent: 570357 (1896-10-01), Waller
patent: 2478321 (1949-08-01), Robbins
patent: 2638973 (1953-05-01), Carey
patent: 2704034 (1955-03-01), Jones
patent: 3556682 (1971-01-01), Sakamoto et al.
patent: 3584977 (1971-06-01), Coleman et al.

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