Patent ID: 9409460
Filing Date: 2016-08-09
CPC Classification: B60H

Claim Text:
1. Cab air treatment apparatus for an agricultural machine, comprising an external air inlet, a filtration system connected downstream of the external air inlet, an air conditioning system connected downstream of the filtration system, and a cab air supply outlet connected downstream of the air conditioning system, wherein said filtration system comprises, in order: a first filter for providing a mechanical filtration of dust, a second filter for providing a filtration of at least one among dust, aerosols and vapours, upstream of which a bypass valve is arranged for selectively putting the second filter, or a bypass branch arranged in parallel with the second filter, in communication with the system, a blower for providing a desired pressurization downstream of the cab air supply outlet), and a deflecting valve having a main outlet connected to the air conditioning system, and a discharge outlet for cleaning the filtration system, said outlets being operable alternatively to one another.