Tubular wire shielding for an exhaust gas temperature sensor arrangement, exhaust gas temperature sensor arrangement and method for assembling an exhaust gas temperature sensor arrangement

1. A method for assembling an exhaust gas temperature sensor arrangement ( 1 ) comprising a tubular wire shielding ( 9 ) radially surrounding two or more wires ( 6 a , 6 b ) of a wire arrangement, the wire arrangement comprising one or more pairs of wires which are conductors ( 6 a , 6 b ) of a connection cable ( 5 ) for connecting a temperature measurement sensor ( 7 ) via the connection cable ( 5 ) of the exhaust gas temperature sensor arrangement ( 1 ), the method comprising the steps of:

fixing a first shielding tube ( 13 ) of the tubular wire shielding ( 9 ) to a second shielding tube ( 14 ) of the tubular wire shielding ( 9 ), the second shielding tube ( 14 ) radially surrounding the first shielding tube ( 13 ), by applying a first tube adhesive ( 15 ) between the first shielding tube ( 13 ) and the second shielding tube ( 14 ); and

providing an RTD element as the temperature measurement sensor ( 7 ) such that the two or more wires ( 6 a , 6 b ) of the wire arrangement are contacting the RTD element, electrically connecting the two or more wires ( 6 a , 6 b ) of the wire arrangement contacting the RTD element and the RTD element to each other so as to electrically connect the RTD element via the connection cable ( 5 ), and arranging said electrical connection to the RTD element outside a through channel formed in the tubular wire shielding ( 9 ); and/or

providing an electrical junction via the connection cable ( 5 ) by forming exactly two welding connections with the two wires ( 6 a , 6 b ) of the wire arrangement to the RTD element;

wherein the tubular wire shielding ( 9 ) is configured to shield the temperature measurement sensor ( 7 ) for measurement of temperatures up to 1,000° C.

2. The method according to claim 1 , comprising the step of:

providing two or more tubular segments ( 9 a - 9 g ) of the tubular wire shielding ( 9 ) serially on the same wires ( 6 a , 6 b ) of the wire arrangement, at least two of the tubular segments ( 9 a - 9 g ) having the same outer diameter.

3. A method for assembling an exhaust gas temperature sensor arrangement ( 1 ) comprising a tubular wire shielding ( 9 ) radially surrounding two or more wires ( 6 a , 6 b ) of a wire arrangement, the wire arrangement comprising one or more pairs of wires which are thermocouple conductors ( 6 a , 6 b ) of a connection cable ( 5 ) of the exhaust gas temperature sensor arrangement ( 1 ), the method comprising the steps of:

fixing a first shielding tube ( 13 ) of the tubular wire shielding ( 9 ) to a second shielding tube ( 14 ) of the tubular wire shielding ( 9 ), the second shielding tube ( 14 ) radially surrounding the first shielding tube ( 13 ), by applying a first tube adhesive ( 15 ) between the first shielding tube ( 13 ) and the second shielding tube ( 14 ); and

providing an electrical junction as a temperature measurement sensor ( 7 ) by welding a pair of thermocouple wires to each other, thereby connecting the electrical junction electrically via the connection cable ( 5 ) by forming exactly one welding connection;

wherein the tubular wire shielding ( 9 ) is configured to shield the temperature measurement sensor ( 7 ) for measurement of temperatures up to 1,000° C.

4. The method according to claim 3 , comprising the step of:

providing two or more tubular segments ( 9 a - 9 g ) of the tubular wire shielding ( 9 ) serially on the same wires ( 6 a , 6 b ) of the wire arrangement, at least two of the tubular segments ( 9 a - 9 g ) having the same outer diameter.

5. A method for assembling an exhaust gas temperature sensor arrangement ( 1 ) comprising a tubular wire shielding ( 9 ) radially surrounding two or more wires ( 6 a , 6 b ) of a wire arrangement, the wire arrangement comprising one or more pairs of wires which are conductors ( 6 a , 6 b ) of a connection cable ( 5 ) for connecting a temperature measurement sensor ( 7 ) via the connection cable ( 5 ) of the exhaust gas temperature sensor arrangement, the method comprising the steps of:

fixing a first shielding tube ( 13 ) of the tubular wire shielding ( 9 ) to a second shielding tube ( 14 ) of the tubular wire shielding ( 9 ), the second shielding tube ( 14 ) radially surrounding the first shielding tube ( 13 ), by applying a first tube adhesive ( 15 ) between the first shielding tube ( 13 ) and the second shielding tube ( 14 ); and

providing an RTD element as the temperature measurement sensor ( 7 ) such that the two or more wires ( 6 a , 6 b ) of the wire arrangement are contacting the RTD element, electrically connecting the two or more wires ( 6 a , 6 b ) of the wire arrangement contacting the RTD element and the RTD element to each other by forming exactly two welding connections so as to electrically connect the RTD element via the connection cable ( 5 ), and arranging said electrical connection to the RTD element outside a through channel formed in the tubular wire shielding ( 9 );

wherein the tubular wire shielding is configured to shield the temperature measurement sensor ( 7 ) for measurement of temperatures up to 1,000° C.

6. The method according to claim 5 , comprising the step of:

providing two or more tubular segments ( 9 a - 9 g ) of the tubular wire shielding ( 9 ) serially on the same wires ( 6 a , 6 b ) of the wire arrangement, at least two of the tubular segments ( 9 a - 9 g ) having the same outer diameter.