US 7,320,245 B2
Corrosion testing apparatus
Abdulghani Jaralla, Auckland (New Zealand)
Assigned to Saudi Arabian Oil Company, Dhahran (Saudi Arabia)
Appl. No. 10/533,490
PCT Filed Nov. 18, 2003, PCT No. PCT/US03/37251
§ 371(c)(1), (2), (4) Date Nov. 30, 2005,
PCT Pub. No. WO2004/046692, PCT Pub. Date Jun. 03, 2004.
Prior Publication US 2006/0162432 A1, Jul. 27, 2006
Int. Cl. G01N 17/04 (2006.01)
U.S. Cl. 73—86  [73/431; 73/866.5; 204/404; 324/71.2] 18 Claims
OG exemplary drawing
 
1. A rotational test electrode assembly for use in a corrosive fluid environment comprising:
a) a generally cylindrical heat and electrically conductive member having an annular portion, a solid portion, and mounting means for attaching a rotational electrode in close-fitting heat and electrically conductive relation, the electrode being selected from the group consisting of cylindrical and disk electrodes;
b) a heating device positioned inside of the annular portion and in heat exchanging relation with the solid portion of the conductive member;
c) a corrosion resistant external protective member that surrounds a portion of the heat conductive member in close-fitting relationship;
d) electrical terminal means for receiving a plurality of external electrical connectors that is mounted on the protective member opposite the portion of the conductive member on which the rotational electrode is mounted; and
e) driving means to rotate the rotational test electrode assembly.