Hydraulic motor provided with a device for selecting its active

Details Hydraulic motor provided with a device for selecting its active Hydraulic motor provided with a device for selecting its active

1994-09-08

1996-09-24

Freay, Charles

Motors: expansible chamber type

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

Radially disposed cylinders

60483, 417273, F01B 1306

Patent

active

055580033

ABSTRACT:
The invention relates to a hydraulic motor having a plurality of cubic capacities, and provided with individual cubic-capacity selectors associated with at least some of its cylinders, each selector being provided with a control member. According to the invention, the control member coupled to each of said individual selectors can be activated only in that range of positions of the cylinder associated with said individual selector which corresponds to the axis of said cylinder being in alignment with the crest of one of the undulations, and to positions that are angularly adjacent to the position in which said alignment is obtained. An application of the invention is to making a motor that is mechanically strong.

REFERENCES:
patent: 4202252 (1980-05-01), Scheufler et al.
patent: 4398450 (1983-08-01), Louhio
patent: 4445423 (1984-05-01), Louhio
patent: 5001964 (1991-03-01), Allart et al.

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