Axial air motor

Details Axial air motor Axial air motor

1987-09-11

1989-02-21

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Cylinders parallel to rotation axis

91180, F01B 310, F01B 302

Patent

active

048055166

ABSTRACT:
An axial air motor having a plurality of cylinders disposed around the axis of rotation of an output shaft in such a manner that the direction of movement of the pistons is parallel with the output shaft. The air motor is provided with a swash plate which is rotatably mounted on the output shaft through a bearing and which is directly pressed by means of a ball which is mounted on each piston. Accordingly, the structure of the motor as a whole is simplified and the frictional resistance occurring between constituent parts can be minimized. Thus, it is possible to achieve an efficient axial air motor. Further, since a lubricant can be charged in a hole for receiving the ball in advance, it is possible to reduce the frictional resistance occurring between the ball and the swash plate even in a non-lubricated operation.

REFERENCES:
patent: 3036558 (1962-05-01), MacLoed
patent: 3145629 (1964-08-01), Gottzmann
patent: 3191629 (1965-06-01), Stoyke
patent: 3212411 (1965-10-01), Storms
patent: 3233554 (1966-02-01), Huber
patent: 3253410 (1966-05-01), Albers
patent: 3272079 (1966-09-01), Bent
patent: 3353450 (1967-11-01), Killick et al.
patent: 3596569 (1971-08-01), Wisbey
patent: 3695149 (1972-10-01), Eberhart
patent: 4160403 (1979-07-01), Takagi
patent: 4662267 (1987-05-01), Kaku
patent: 4699572 (1987-10-01), Balkau
"Probleme der Steverung in Langsamlaufern (Problems of Control of Slow Speed Motors)", Friedrichs, I. H., in Olhydraulik und Pneumatik, vol. 17, No. 9, pp. 246-250, 1973.

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