Importance

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Abstract

A meat grinder includes a motor including a stator and a rotor including a motor shaft, a transfer case operatively coupled to the motor shaft, and a grinder head operatively coupled to the transfer case. The grinder head includes an inlet into which a raw meat product can be fed and an outlet through which ground meat can be discharged. Rotation of the motor shaft imparts operation of the grinder head via the transfer case. The motor also includes a housing comprising a generally cylindrical outer wall that is spaced from the stator thereby creating a cooling channel between the stator and the outer wall. The housing further includes a front wall including a plurality of inlet openings and a rear wall including a plurality of outlet openings. The motor also includes a heat sink inside the housing positioned in the cooling channel adjacent the motor stator. The motor further includes a cooling fan coupled to the motor shaft and positioned adjacent the rear wall. During operation of the meat grinder, the motor rotates the cooling fan which discharges air from the housing through the outlet openings, which draws air into the housing through the inlet openings, creating air flow through the cooling channel, the air flow through the channel drawing heat from the heat sink prior to being discharged through the outlet openings.

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First Claim