Compressor for liquid or gaseous fluids

Details Compressor for liquid or gaseous fluids Compressor for liquid or gaseous fluids

2007-10-24

2011-12-13

Freay, Charles (Department: 3746)

Pumps

Expansible chamber type

Plural pumping chambers

C417S437000, C417S454000, C417S534000

Reexamination Certificate

active

08075286

ABSTRACT:
A double-acting compressor to compress liquid or gaseous fluids includes a cylinder having a piston head that reciprocates between opposite ends of the cylinder; a 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; and pulling device connected to each end of said piston head. The pulling device extends along the cylinder and project out of the ends of the cylinder. The pulling device includes at least one flexible string having fastening means for the manual operation of the compressor.

REFERENCES:
patent: 4115034 (1978-09-01), Smith
patent: 4712592 (1987-12-01), Brown

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