Importance

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Abstract

The present disclosure relates to a pulsating pneumatic motor, comprising a housing, an output shaft and a rotor assembly. The rotor assembly includes: a plurality of cantilevers (2); a plurality of roller sets, each of which comprises a pair of rollers arranged on one said cantilever (2) in one-to-one correspondence, wherein each roller set comprises a fixed roller (3) and a movable roller (4); a plurality of elastic members (6), each connected between one movable roller (4) and one cantilever (2); an air pipe (5), passing through the plurality of roller sets in sequence, wherein the fixed roller (3) and the movable roller (4) of each of the roller sets are respectively in contact with the air pipe (5). The present disclosure can prevent the problem of air leakage, and avoid the mechanical energy loss caused by the friction, thereby improving the work conversion efficiency of the pneumatic motor.

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First Claim