Patent ID: 7740456

Claim:
A suction silencer for a compressor, the suction silencer comprising: a lower shell having an opened top portion; an upper shell having an opened bottom portion, wherein an outer peripheral edge of the opened bottom portion of the upper shell is coupled to an outer peripheral edge of the opened top portion of the lower shell so as to form a single interior space in which the opened top portion of the lower shell is aligned with the opened bottom portion of the upper shell with a substantially completely open transition therebetween; an inlet passage provided at an outer wall of the lower shell; a first extension pipe having a first end connected to an outlet end of the inlet passage, and a second end positioned in an inside of the single interior space, wherein the inlet passage and the first extension pipe are formed as a single unit with the lower shell, and wherein the first extension pipe extends from the inlet passage along a bottom portion of the lower shell towards a side wall portion of the lower shell that is opposite a side wall portion of the lower shell at which the inlet passage is provided such that the second end of the first extension pipe faces the opposite side wall portion of the lower shell; an outlet pipe that extends outward from a top portion of the upper shell; and a second extension pipe coupled only to an inlet end of the outlet pipe and extending downward into the single interior space, wherein the second end of the first extension pipe and an inlet into the second extension pipe are positioned in the single interior space such that fluid flowing out of the second end of the first extension pipe impinges against the opposite side wall portion of the lower shell and changes direction prior to flowing into the inlet of the second extension pipe, and wherein a distance between the second end of the first extension pipe and the opposite side wall portion of the lower shell is less than a distance between the inlet of the second extension pipe and the opposite side wall portion of the lower shell.