FIELD: machine building.
SUBSTANCE: invention discloses a method and a sensor for detecting solid particles in spent gases of an internal combustion engine. Solid particle sensor comprises an outer non-perforated tube with a plurality of negative electrodes throughout the inner surface; central perforated element with plurality of positive electrodes throughout the external surface of said central element. Said central element is located inside said outer tube. Inner tube is attached to the central element. Outer tube, central element and inner tube have common axis.
EFFECT: use of the invention increases sensitivity of the solid particle sensor.
20 cl, 10 dwg
