HAND-HELD PNEUMATIC TOOL (VERSIONS) AND TURBINE ROTOR WITH HIGH TORQUE MOMENT (VERSIONS) Russian patent published in 2009 - IPC F01D15/06 

Abstract RU 2365764 C2

FIELD: mechanical engineering.

SUBSTANCE: hand-held pneumatic tool containing turbine rotor with high torque moment, having outer wall and axis of rotation, facilities for turbine rotor fastening for rotation around axis of rotation on turbine shaft. High-moment turbine rotor contains rotor body with inlet connected to air source and including the first ring chamber, the second ring chamber and common inner wall dividing the first ring chamber and the second ring chamber. Rotor body is cylindrical and includes multiple spin peripheral nozzles communicating downstream with the first chamber and the second chamber for high-pressure air ejection for rotor body rotation. The inner wall has central opening for accommodation of attachment to drive shaft. In the other version of hand-held pneumatic tool it contains high torque moment turbine rotor body located circumferentially around the main shaft. The rotor body contains front wall and rear wall performed with possibility to be mounted with inner wall. Each of the walls includes central opening, inner wall performed with possibility to be mounted with front wall and rear wall. Inner wall includes at least two ring chambers, at least one arc chamber diverging from outer part of each ring chamber, valve O-ring inside each ring chamber, ring-shaped perforated barrier located radially outside of valve O-ring inside each ring chamber, and central opening.

EFFECT: invention makes possible to increase torque moment of hand-held tool without corresponding increase in weight, size and complexity of tool usage.

32 cl, 8 dwg

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RU 2 365 764 C2

Authors

Dodds Kemma S.

Dates

2009-08-27Published

2004-12-08Filed