US 2013/0340857 A1 · Protection Device for a Valve Positioner

Abstract

An improved and more robust protection device capable of protecting a valve positioner in demanding environmental and operating conditions while also allowing for maintenance and inspection of the positioner without removing it from service. The protection device includes a housing configured to protect the valve positioner from external corrosion. The housing includes a top base, a bottom base and a central body extending between the top base and the bottom base. The central body may be joined to an edge of the top base and an edge of the bottom base thereby forming a perimeter circumscribing the top base and the bottom base.

Claims20

Dependent claims

A protection device for a valve positioner or positioner indicator comprising a housing, wherein said housing comprises:

a. a top base;
b. a bottom base;
and
c. a central body extending between the top base and the bottom base, wherein the central body is joined to an edge of the top base and an edge of the bottom base thereby forming a perimeter circumscribing the top base and the bottom base, whereby a hollow enclosure is defined by the top base, the bottom base and the central body.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

13/527,831Filed 20 Jun 2012

Published

26 Dec 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

F16P 1/02
Safety devices independent of the control and operation of any machine: fixed screens or hoods
F16K 27/12
Construction of housing ; Use of materials therefor: covers for housings
Y10T 29/49826
Method of mechanical manufacture: assembling or joining
Y10T 137/7043
With casing, support, protector or static constructional installations: guards and shields

Protection Device for a Valve Positioner

Life of this patent

Protection Device for a Valve Positioner

Life of this patent

Abstract

Claims20