Patent ID: 7252473

Claim:
An assembly for processing wood chips, comprising: a drum disposed so as to rotate about a generally horizontal axis and spinning at a rate of about 50 rpm or more, said drum including a plurality of outwardly extending blades; wherein said blades comprise a leading face with at least a first face section that extends in a first direction and at least a second face section extending at a forward angle relative to said first section; and wherein output from said drum, when an input stream of wood chips is fed to said drum, covers an arc of at least 90° when viewed from a position along said horizontal axis spaced from said drum; a feed chute disposed upstream from said drum and supplying said input stream of wood chips to said drum; wherein said feed chute comprises a baseplate and a plurality of divider walls moveably mounted to said baseplate, wherein said divider walls control the relative flow ratios of said input stream to a first side portion, a center portion, and a second side portion of said drum.