# US 2014/0360249 A1 · Apparatus and its arrangement with duct to determine flowable medium parameters

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- Number: US 2014/0360249 A1
- Document ID: US20140360249A1
- Status: Published application
- Kind: A1
- Application number: 13/914,791
- Filed: 2013-06-11
- Published: 2014-12-11
- Earliest claimed: 2013-06-11
- Assignees: ALSTOM Technology Ltd
- Applicants: ALSTOM Technology Ltd
- Inventors: Allan Gunn FERRY
- Web page: https://patentgrep.com/patent/US20140360249A1

## CPC

- G01N 27/4073: {Composition or fabrication of the solid electrolyte}
- G01K 13/02: for measuring temperature of moving fluids or granular materials capable of flow
- G01N 33/0004: {Gaseous mixtures, e.g. polluted air}
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00)

## Abstract

An apparatus is mountable to a duct having a cross-section, for determining parameters of a flowable medium flowing through the duct. The apparatus includes a mounting attachment having a conduit member, and at least one combination of multiple sensing members configured to the conduit member. The conduit member may be disposed entirely within the duct such that the multiple sensing members are located within the duct establishing direct contact with the flowable medium. The multiple sensing members include oxygen and temperature sensing elements respectively, to determine parameter such as oxygen level in the flowable medium, and temperature of the flowable medium. Several such apparatus may be mounted in the duct across the cross-section to define a grid to determine said parameter at various locations across the cross-section.

## Claims

### Claim 1

An apparatus mountable to a duct having a cross-section, for determining at least one parameter of a flowable medium flowing through the duct, the apparatus, comprising:
a mounting attachment having a conduit member, the conduit member defining first and second end portions opposite to each other, each of the first and second end portions has an opening, wherein the conduit member comprises through hollow and elongated configuration configured to transversely extend entirely into the duct via aligned opposite holes such that each of the holes matches the respective openings to define a passageway to enable a fluid flow therethrough: to provide a reference fluid adapted to determine the at least one parameter; and to cool the apparatus heated by the heated flowable medium flowing through the duct; and
at least one combination of multiple sensing members adapted to be disposed on the conduit member such that upon configuring the mounting attachment with the duct, the at least one combination of multiple sensing members is located within the duct to directly being in contact with the flowable medium flowing though the duct to determine the respective parameters of the flowable medium, wherein the at least one combination of multiple sensing members comprises,
at least one oxygen sensing element to determine a level of oxygen in the flowable medium flowing through the duct, and
at least one temperature sensing element to determine the temperature of the flowable medium flowing through the duct.

### Claim 2 (depends on 1)

The apparatus as claimed in claim 1, wherein the at least one combination of multiple sensing members comprises a plurality of combination of multiple sensing members disposed spaced apartly across the conduit members such that upon configuring the mounting attachment with the duct, each of the plurality of combination of multiple sensing members disposed on the conduit member is located within the duct to determine respective parameters across the entire diameter of the duct.

### Claim 3 (depends on 1)

The apparatus as claimed in claim 1, further comprising a connector to couple the at least one combination of multiple sensing members with the conduit member such that through hollow configuration of the conduit member remains.

### Claim 4 (depends on 3)

The apparatus as claimed in claim 3, wherein the connector is T-shaped hollow threaded connector that comprises two opposite lateral openings and a transversal opening, wherein the lateral openings couple to the conduit member, and the transversal opening incorporates the least one combination of multiple sensing members, wherein the T-shaped hollow threaded connector is connected to the bifurcated conduit member.

### Claim 5 (depends on 1)

The apparatus as claimed in claim 1, wherein the at least one combination of multiple sensing members comprises two oxygen sensing element and one temperature sensing element disposed therebetween.

### Claim 6 (depends on 1)

The apparatus as claimed in claim 1, wherein the at least one oxygen sensing element is an automotive heated zirconium oxide sensor.

### Claim 7 (depends on 1)

The apparatus as claimed in claim 1, wherein at least one temperature sensing element is a thermocouple.

### Claim 8 (depends on 1)

The apparatus as claimed in claim 1, wherein the mounting attachment comprises a fixture arrangement to releasably and movably mount the mounting attachment to the duct across each of the holes, the fixture arrangement comprising:
a bolt-flange assembly adapted to releasably attach the first end portion of the conduit member to the duct across one of the hole; and
a slip-fit assembly adapted to releasably and movably attach the second end portion of the conduit member to the duct across the other hole, wherein the slip-fit assembly enables movement of the second end portion to adjust differential length of the conduit member versus the duct which arises due to heating effect of the flowable medium flowing through the duct.

### Claim 9 (depends on 8)

The apparatus as claimed in claim 8, wherein the bolt-flange assembly comprises a fan configured at the first end portion along the opening for regulating a desired fluid flow through the passageway.

### Claim 10 (depends on 9)

The apparatus as claimed in claim 9, wherein the passageway is capable of enabling the fluid from the fan to flow therethrough to cool the apparatus, which may be heated due to heating effect of the flowable medium flowing through the duct.

### Claim 11 (depends on 9)

The apparatus as claimed in claim 9, wherein the passageway is capable of enabling the fluid from the fan to flow therethrough to serve as the reference fluid for the parameter determination by the sensing members.

### Claim 12 (depends on 11)

The apparatus as claimed in claim 11, wherein, the sensing member, based on the fluid flow from the fan flowing through the duct, is configured and adapted to compare a percentage of parameter determined by the sensing member in the flowable medium flowing through the duct verses a percentage of parameter of the fluid flowing through the passageway, to verify whether or not the sensing member are working, and to periodically calibrate thereto.

### Claim 13 (depends on 1)

The apparatus as claimed in claim 1 further comprising an air nozzle member configured to the mounting attachment to periodically clean the at least one combination of multiple sensing members to control dust deposition, minimizing fouling and plugging.

### Claim 14 (depends on 1)

The apparatus as claimed in claim 1 further comprising a protective filter member configured to be installed over the at least one combination of multiple sensing members to control dust deposition, minimizing fouling and plugging.

### Claim 15 (depends on 1)

The apparatus as claimed in claim 1 wherein the at least one combination of multiple sensing members comprises at least one auxiliary sensing element to determine the at least one parameter of flowable medium flowing through the duct.

### Claim 16

An arrangement for determining at least one parameter of a flowable medium flowing through the duct having a cross-section, the arrangement comprising:
a plurality of apparatuses adapted to be arranged across the cross-section of the duct in a spaced relation to define a grid across the cross-section, wherein each of the plurality of apparatus comprises,
a mounting attachment having a conduit member defining first and second end portions opposite to each other, each of the first and second end portions has an opening, wherein the conduit member comprises through hollow and elongated configuration configured to transversely extend entirely into the duct via aligned opposite holes such that each of the holes matches the respective openings to define a passageway to enable a fluid flow therethrough: to provide a reference fluid adapted to determine the at least one parameter; and to cool the apparatus heated by the heated flowable medium flowing through the duct; and
at least one combination of multiple sensing members adapted to be disposed on the mounting attachment such that upon configuring the conduit member with the duct, the at least one combination of multiple sensing members is located within the duct to directly being in contact with the flowable medium flowing though the duct to determine respective parameters of the flowable medium, wherein the at least one combination of multiple sensing members comprises,
at least one oxygen sensing element to determine a level of oxygen in the flowable medium flowing through the duct, and
at least one temperature sensing element to determine the temperature of the flowable medium flowing through the duct,
wherein the grid enables determination of a plurality of data of the flowable medium at various portions of the cross-section in relation to the respective parameters.

### Claim 17 (depends on 16)

The arrangement as claimed in claim 16, wherein the grid formed by the plurality of apparatuses within the duct enables detection of a level of oxygen and temperature of the flowable medium across the entire cross-section of the duct through the at least one combination of multiple sensing members.

### Claim 18 (depends on 16)

The arrangement as claimed in claim 16, wherein the grid enables a formation of a plurality of locations across the length of the duct to enable detection of a level of oxygen and temperature of the flowable medium across the entire cross-section of the duct.

### Claim 19

A system for determining at least one parameter of a flowable medium flowing through the duct having a cross-section, the system, comprising:
an arrangement between the duct and a plurality of apparatuses, wherein the plurality of apparatuses is arranged across the cross-section of the duct in a spaced relation defining a grid across the cross-section, wherein each of the plurality of apparatuses forming the grid, comprises,
a mounting attachment having a conduit member defining first and second end portions opposite to each other, each of the first and second end portions has an opening, wherein the conduit member comprises through hollow and elongated configuration configured to transversely extend entirely into the duct via aligned opposite holes such that each of the hole matches the respective openings to define a passageway to enable a fluid flow therethrough: to provide a reference fluid adapted to determine the at least one parameter; and to cool the apparatus heated by the heated flowable medium flowing through the duct, and
at least one combination of multiple sensing members adapted to be disposed on the mounting attachment such that upon configuring the conduit member with the duct, the at least one combination of multiple sensing members is located within the duct to directly being in contact with the flowable medium flowing though the duct to determine the respective parameters of the flowable medium, the at least one combination of multiple sensing members having,
at least one oxygen sensing element to determine a level of oxygen in the flowable medium flowing through the duct, and
at least one temperature sensing element to determine the temperature of the flowable medium flowing through the duct;
wherein the grid enables determination of a plurality of data of the flowable medium at various portions of the cross-section in relation to the respective parameters; and
an electronic module electrically coupled to each of the at least one combination of multiple sensing members to analyze a pattern of the at least one the level of oxygen and the temperature of the flowable medium across the cross-section of the duct based on the plurality of data in relation to the at least one parameter.

### Claim 20 (depends on 19)

The system as claimed in claim 19, wherein the electrical coupling is enabled by wirings with respect to each sensing members, which passes through the passageway of the conduit member and is cooled by the fluid flow upon being heated by the heated flowable medium flowing through the duct.
