Pumps – Three or more cylinders arranged in parallel – radial – or... – Motor driven
Patent
1989-04-03
1991-01-15
Michalsky, Gerald A.
Pumps
Three or more cylinders arranged in parallel, radial, or...
Motor driven
417383, 417395, 417472, 92 90, 92103M, F04B 4302
Patent
active
049849700
ABSTRACT:
When pumping chambers were provided between tapered discs of axial compressibility and expandability, the discs worked perfect in the subcritical pressure range. But in the supercritical pressure range the high pressure in fluid would depart the discs away from each other and open a gap between the discs because the force of pressure in fluid in the chamber between the tapered discs was higher than the internal strength of the material of which the respective coned element was made. The invention now discovers that it is possible to provide a means which prevents the departure of a coned ring from a neighbored ring. The invention obtains this by providing a means which presses under actions of pressure in surrounding fluid the neighboring coned ring elements at all times together for a close and perfect sealing between them. This means which the invention now discloses is the provision of seals radially inwards and outwards of a defined radial dimension of a meeting area between two neighborings discs of a respective pair of coned ring elements. The radial extension of the meeting area defines the force with which the neighboring elements are pressed against each other for a close sealing procedure. The elements are produced from respective material, for example, from hardened stainless steel.
REFERENCES:
patent: 1764712 (1930-06-01), Brackett et al.
patent: 3093086 (1963-06-01), Altoz et al.
patent: 3814548 (1974-06-01), Rupp
patent: 4443160 (1984-04-01), Berthold
patent: 4634351 (1987-01-01), Leonard et al.
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