DOUBLE ACTION CYLINDER Russian patent published in 2016 - IPC F04B39/12 F04B53/16 

FIELD: machine building.

SUBSTANCE: double action cylinder contains a casing 1 in which connected with each other gland cavity 12 and valve holes 13, 14 are made. On the body 1 side surface the alternating along the casing 1 rib sections 8 and smooth sections 9 are made. The smooth sections 9 have plat surfaces. Hole 16 for the sealing chambers is located in the rib section of the casing 8. The valve holes 13, 14 are made in smooth sections 9.

EFFECT: uniform cylinder cooling, simple design and reduced cylinder weight.

4 cl, 5 dwg