Patent ID: 6684755
Filing Date: 2004-02-03
Classification: F04B,Y10T

Abstract:
A crankshaft for a reciprocating compressor including at least two connecting rods, each having a connecting rod aperture, the crankshaft comprising:an elongated shaft defining a longitudinal axis; a first eccentric member having a first diameter and a first center offset from the longitudinal axis; a second eccentric member having a second diameter and a second center offset from the first center and the longitudinal axis, the second diameter being larger than the first diameter; and a transfer section connecting the first eccentric member to the second eccentric member, wherein the first and second diameters of the first and second eccentric members respectively define peripheral portions of the first and second eccentric members, and wherein the transfer section includes first and second ramp portions respectively extending substantially to the peripheral portions of the first and second eccentric members, thereby providing a substantially smooth transition surface for being inserted through the connecting rod apertures.