Pressure driven rotary drive

Details Pressure driven rotary drive Pressure driven rotary drive

1992-03-31

1993-06-15

Denion, Thomas E.

Motors: expansible chamber type

With signal, indicator or inspection means

91361, 91459, 92 89, 92 59, 92111, F01B 2526, F01B 3112

Patent

active

052193934

ABSTRACT:
A hydraulically operated rotary drive includes a housing which is closed in hydraulically tight manner by flat covers and can be connected to a source of pressure fluid, a rotatable shaft extending through the covers out of the housing and a belt which is arranged at least in part within the housing with the formation of movable pressure chambers and is operatively connected to the shaft. In order to create a rotary drive which permits any desired extension to external structural groups as well as a modular extension to a plurality of rotary drives, it is proposed that axially extending channels (2, 2') for receiving and forwarding the pressure fluid to the pressure chambers and electrical connections be integrated within the shaft and that the shaft (3) be provided on both axial ends with coupling elements for the coupling outside the housing of mechanical and/or electrical attachment modules which can be coupled to the rotary movement.

REFERENCES:
patent: 2664859 (1954-01-01), Green
patent: 2939283 (1960-06-01), Ashton
patent: 2944520 (1960-07-01), Swanson
patent: 3288036 (1966-11-01), Fisher
patent: 4838148 (1989-06-01), Denker
patent: 4841843 (1989-06-01), Shishkin et al.

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