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Back Bias Valve and Actuator Assembly

An actuator, back-biased technology, applied in the field of mechanical technology

Active Publication Date: 2016-03-09
DAYCO LLC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem with traditional valve actuator assemblies is that they are often designed to be much stronger than necessary to withstand the aforementioned high spring pressures

Method used

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  • Back Bias Valve and Actuator Assembly
  • Back Bias Valve and Actuator Assembly
  • Back Bias Valve and Actuator Assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Valve actuator assemblies are commonly used to control the position of valves in applications to regulate flow or pressure through the valve actuator assembly. Embodiments described herein can vary the effect of operating pressure on the valve face within the assembly. The pressure of the fluid or gas acts on the surface area of ​​the valve face and generally produces a resultant force in a vector normal to and against the surface. One of the primary objectives of the embodiments disclosed herein is to reduce, eliminate or overcome the operating pressure on the valve face.

[0021] Referring now to the accompanying drawings, figure 1 A valve actuator assembly according to one embodiment is shown in perspective view. Valve actuator assembly 100 includes an inlet port 102 , an outlet port 104 , a valve sleeve 106 , and an actuator housing 108 . figure 1 Other components of the valve actuator assembly 100 not shown in will be described later. Valve actuator assembly 10...

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PUM

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Abstract

The invention discloses a valve actuator assembly which is conducted with reverse bias through the pressure of operating fluid (or gas). The valve actuator assembly comprises a valve and a pneumatic or hydraumatic actuator, wherein a port axially passes through the valve and the actuator in a limited manner, and operating fluid (or gas) pressure acted on a valve face is communicated with a reverse bias cavity which is arranged in an actuator shell. The design has the effect that the routine work pressure of the fluid (or gas) acting on a basement of the actuator is communicated with a resultant-force vector which is opposite to the valve face, thereby eliminating, reducing or overcoming the force acting on the valve face.

Description

technical field [0001] The embodiments described here relate to mechanical technology. More specifically, the present invention relates to valve actuator assemblies. Background technique [0002] Valve actuator assemblies have been known for many years. These components control the flow of liquids or gases in a variety of industrial and mechanical equipment. Typically, valve actuator assemblies include one of three main design types: those that include a diaphragm actuator, an actuator piston, or an electromagnetic actuator. These components are typically used to control one or more functions of an internal combustion engine, or in other industrial applications. [0003] A major disadvantage of conventional valve actuators is that the valve typically requires a very high spring preload to counteract or eliminate the force of the operating pressure of the fluid (or gas) on the valve face to be biased closed. Another problem with conventional valve actuator assemblies is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/122
Inventor P·J·梅迪纳
Owner DAYCO LLC