Importance

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Abstract

A pneumatically-driven, turbine device comprises a Terry turbine rotor coaxially disposed within a rigid housing equipped with a reentry port bordering an exhaust port. The rotor comprises a plurality of radially spaced-apart air buckets. An air pathway is established between an inlet and an exhaust outlet, extending through the reentry port, the exhaust port, and portions of the rotor buckets. The reentry port comprises a narrow arc defined in the race. At least a portion of the exhaust groove borders, but is separated from, the reentry port. Entering air initially impacts a first rotor bucket disposed adjacent the reentry port. Halves of the first two buckets are disposed radially adjacent the reentry port. Opposite halves of the first and second buckets adjoin the unmachined race area spaced apart from the reentry port. Halves of the third and fourth successive buckets are also disposed radially adjacent the reentry port, but opposite halves of the third and fourth buckets are disposed over the neck to complete the air path through the exhaust groove. When used as a pneumatic vibrator, the circular turbine wheel is unbalanced and lacks an output driveshaft. When configured as a fluid motor, the device's rotor is balanced, driving an output driveshaft.

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First Claim