Patent ID: 6401472
Filing Date: 2002-06-11
Classification: F04B,F25B

Abstract:
Refrigerant compressor apparatus comprising:a drive motor, a compressor driven by the drive motor and having at least four cylinders arranged in a V shape, a compressor shaft bearing eccentrics for driving pistons operating in respective ones of said cylinders, the cylinders being arranged at a V angle of less than 360Â° divided by the number of cylinders, the compressor shaft being mounted with only two bearing sections thereof in corresponding compressor shaft bearings, the eccentrics being arranged between the bearing sections, each eccentric being surrounded by a lug of an undivided piston rod, and a separate eccentric being provided for each piston rod and arranged at a distance from the other, separate eccentrics for the respectively other piston rods with their piston, and at least two consecutive separate eccentrics being separated from one another by intermediate elements having, in a direction of an axis of rotation, a length corresponding at least to a width of one of said piston rods.