Patent ID: 8075286
Filing Date: 2011-12-13
Classification: F04B

Abstract:
1. A double-acting compressor that can be used indistinctly to compress liquid or gaseous fluids, said compressor comprising: a cylinder having a piston head provided therein that reciprocates between opposite ends of said cylinder, fluid discharge and suction passages defined in at least one of the opposite ends of the cylinder, a fluid suction and compression chamber connected to each end of the cylinder, fluid suction and fluid discharge valves connected to each one of the opposite ends of the cylinder, pulling means connected to each end of said piston head, wherein the pulling means extend along the cylinder and project out of the ends of the cylinder wherein said pulling means of the piston head comprise at least one flexible string, wherein each flexible string includes fastening means for the manual operation of the compressor, and wherein at least one of the sections of said flexible string is hollow and defines a discharge duct for the pressurized fluid.