Patent ID: 9463812
Filing Date: 2016-10-11
CPC Classification: B01D,B61C,F02M

Claim Text:
1. A sand filtration system for a vehicle, comprising: a primary filtration system; a secondary filtration system, wherein the primary filtration system and the secondary filtration system are in parallel fluid communication with an air intake passage and configured to filter sand from intake air traveling through the air intake passage, the air intake passage providing the intake air to an engine for combustion; two or more sync doors moveable to a first position and to a different, second position; a sand blower configured to remove sand from the primary filtration system; and a controller operably connected to the sync doors and the sand blower, the controller configured to control the sync doors and the sand blower in a primary mode and in a different, secondary mode; wherein, in the primary mode the controller is configured to the sync doors to the first position, wherein in the first position, the sync doors are configured to route the intake air to travel through the primary filtration system and not the secondary filtration system; wherein, in the secondary mode, the controller is configured to control the sync doors to the second position, wherein, in the second position, the sync doors are configured to route the intake air to travel through the secondary filtration system and not the primary filtration system; and wherein, in the secondary mode, but not the primary mode, the controller is configured to control the sand blower to remove the sand from the primary filtration system.