Axial piston machine

Details Axial piston machine Axial piston machine

1990-01-22

1992-01-14

Bertsch, Richard A.

Motors: expansible chamber type

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

Control valve seating surface contact maintained by fluid...

91504, F01B 1506

Patent

active

050799932

ABSTRACT:
An axial piston machine having a longitudinally movable rotary cylindrical drum with cylindrical bores arranged concentrically to the axis of rotation of the drum. A longitudinally sliding piston located in each bore and lying against a control surface in contact with the drum. The pistons have an end in contact with a control surface that can be positioned diagonally to the axis of rotation of the drum and said cylindrical bores are provided with openings connecting to control channels in the control surface. Additional piston surfaces are provided in a cavity formed in the cylindrical drum for controlling the pressing force of the cylindrical drum on the control surface.

REFERENCES:
patent: 3110267 (1963-11-01), Vetter
patent: 3292553 (1966-12-01), Hann
patent: 4475443 (1984-10-01), Forster
patent: 4690036 (1987-09-01), Kosaka
patent: 4896585 (1990-01-01), Forster

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