Exhaust gas scrubber and filter assembly

A water trap for a vehicle exhaust treatment system comprising:

• a water trap wall having an interior surface encompassing and defining a water trap chamber, the water trap wall having at least one sloped portion having a lower edge and an upper edge, the lower edge encompassing a larger area than the upper edge;
• an inlet in communication with the chamber and having an aperture facing the at least one sloped portion at an oblique angle, whereby a circulating flow is generated within the chamber;
• a drain in communication with the chamber and defining a passage for flow of fluid from the chamber;
• and
• an outlet in communication with the chamber to emit exhaust gas from the chamber.

An exhaust gas treatment system for a low profile vehicle comprising:

• an exhaust gas water scrubber contained in a scrubber housing having a scrubber outlet;
• a single trap and filter housing having an inlet in communication with the scrubber outlet;
• a water trap contained within the trap and filter housing and in communication with the inlet for collecting water droplets emitted by the scrubber;
• and
• the housing defining an annular filter chamber adjacent the water trap and being suitable for receiving a ring-shaped exhaust gas particulate filter,
• such that exhaust gases may be sequentially cooled by the scrubber, dewatered by the water trap, and filtered within the filter chamber.

A water trap and filter assembly for installation on a vehicle exhaust gas water scrubber having a scrubber outlet, the assembly comprising:

• a housing including a base plate defining an inlet aperture, the housing being partitioned to define a water trap chamber and an annular filter chamber adjacent the water trap chamber;
• a water trap attached within the water trap chamber and through which exhaust gases entering the inlet aperture must pass prior to entering the filter chamber;
• and
• a coupling for connecting the scrubber outlet to the inlet aperture.