Patent ID: 7100386

Claim:
A compressor comprising: a compressor pump unit; a suction inlet and suction passage communicating to a supply of refrigerant to be compressed by said compressor pump unit; at least one economizer injection port communicating with said pump unit at a location downstream of said suction inlet; an economizer passage for supplying refrigerant from outside of said compressor to said economizer injection port, with an insert having an opening, said insert being placed in one of said economizer passage and said economizer injection port, and the size of said opening being selected to achieve a desired economizer port area; said compressor pump unit is a scroll compressor pump unit; said economizer passage is formed through a non-orbiting scroll, and said economizer passage receives said refrigerant from a connecting tube, with said insert in said connecting tube; and said economizer passage provides a greater cross-sectional flow area than said insert.