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Versatile rotary valve

A valve and rotor technology, applied in the field of rotary valves, can solve the problems of reducing the need to interconnect pipes, shortening the path length, etc., and achieve the effect of miniaturizing the interconnected pipes

Active Publication Date: 2015-07-15
CYTIVA SWEDEN AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another reason might be to keep path lengths short by integrating as much path as possible into the valve, thereby reducing the need for interconnecting tubes

Method used

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  • Versatile rotary valve
  • Versatile rotary valve
  • Versatile rotary valve

Examples

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Embodiment Construction

[0035] The main components of a typical rotary valve are in image 3 (where no brackets or similar load carrying or fastening elements are shown). The rotary valve 10 has a stator 11, a rotor 12, a rotary shaft 13, which may optionally be provided with means (not shown) for identifying its angular position, and a drive unit 14 which typically includes a gearbox and a motor (although the valve may also be manual operation). The rotor is rotatable about the stator about the axis of rotation RA of the valve.

[0036] The stator 11 is fixed with respect to the instrument into which it is built, and is provided with ports indicated by dotted lines for fluid communication with fluid sources / outlets and for any components with which the valves co-operate. The ports may be located on any suitable portion of the stator and in any suitable orientation. The ports are provided with means for connecting capillaries or tubes. This device may be of any suitable type, such as conventional...

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Abstract

A rotary valve comprising a stator with an inner stator face,and a rotor with an inner rotor face arranged in sealing contact with the inner stator face, the rotor is rotatably movable to a plurality of rotor positions about a rotational axis relative to the inner stator face, the stator comprises a plurality of connection ports each being in fluidic contact with a corresponding valve orifice at the inner stator face and the rotor comprises two or more interconnection paths for selective fluidic interconnection of said valve orifices with respect to the rotor position, wherein the stator comprises,an inlet port, an outlet port, a component feed port, a component return port, and wherein the interconnection paths in the rotor are arranged to: -in a first rotor position interconnect the inlet port with the outlet port, -in a second rotor position interconnect the inlet port with the component feed port and the component return port with the outlet port, -in a third rotor position interconnect the inlet port with the component return port and the component feed port with the outlet port.

Description

technical field [0001] The present invention relates to valves, and more particularly to rotary valves for selectively enabling access of components within a main flow. Background technique [0002] Valves are commonly used in installations involving fluid transport. A typical type of valve, such as that used in medium sized laboratory systems, is the rotary valve. [0003] In general, a rotary valve has a stationary body, referred to herein as a stator, that operates with a rotating body, referred to herein as a rotor. [0004] The stator is provided with a number of inlet and outlet ports. The ports are in fluid communication with a corresponding set of orifices on the inner stator face via the bore. The inner stator face is the inner side surface of the stator that is in fluid-tight contact with the inner rotor face of the rotor. The rotor is typically formed as a disk, and the inner rotor face is pressed against the inner stator face in rotating cooperating operation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10F16K11/02F16K11/074
CPCF16K11/0743G01N35/1097G01N2030/202G01N30/468Y10T137/86654F16K11/076G01N30/38
Inventor O.毕尔努尔夫C.O.埃里克森
Owner CYTIVA SWEDEN AB
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