US 11,906,058 B2 · Rotary valve and system

Abstract

A rotary valve including a port housing, a port, an axially actuated rotary sleeve disposed within the port housing, the sleeve having a plurality of apertures in fluid communication with the port; and an insert disposed within the sleeve, the insert having an opening, the sleeve being rotatable to align one of the plurality of apertures with the opening. A rotary valve including a port housing, having a port, an axially actuated rotary sleeve disposed within the port housing, the sleeve having an aperture; and an insert disposed within the sleeve, the insert having a plurality of openings of distinct size from one another, the aperture of the sleeve being selectively alignable with one of the plurality of openings.

Claims16

Dependent claims

A rotary valve comprising:

a port housing, having a port;
an axially actuated rotary sleeve disposed within the port housing, the sleeve having a plurality of apertures of distinct size from one another and in fluid communication with the port, wherein the sleeve is movable within a pressure compensated clean fluid;
an insert disposed within the sleeve, the insert having an opening, the sleeve being rotatable to align one of the plurality of apertures with the opening;
and
wherein a balance piston is disposed between the insert and the port housing, the balance piston being exposed to annulus pressure on one side the clean fluid on a second side, during use.

2 more elements

Dependencies are inferred from the claim text.

Rotary valve and system

Life of this patent

Rotary valve and system

Life of this patent

Abstract

Claims16