F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/76
F04B 25/04 (2006.01)
Patent
CA 1145727
ABSTRACT A four stage hydraulically operated gas compressor is disclosed. It includes a double-acting piston operable by pressurised oil and provided with first and second hollow opposed piston rods the first of which is con- nected to a first-stage piston and the second of which is connected to a second-stage piston. The first and second-stage pistons are arranged to slide in first and second jackets respectively and are in a sliding fit upon first and second cylindrical bodies respectively which are fixed to first and second opposed heads. The compressor also includes a first axial suction and delivery duct leading to an end face of the first cylindrical body, a third stage chamber being defined between the end face and one face of the double-acting piston; and a second axial suction and delivery duct leading to an end face of the second cylindrical body, a fourth stage chamber being defined between the end face of said second cylindrical body and the other face of the double-acting piston.
361522
Fetherstonhaugh & Co.
Gozzi Antonio
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