Patent ID: 8202062

Claim:
A compressor having a housing member with an inlet formed therein, said compressor comprising: a suction passage connected to the inlet and a suction chamber, the suction passage is formed in the housing member; an oil reservoir for storing a lubricating oil which is separated from a refrigerant gas having a discharge pressure; a throttle valve provided in the suction passage and having a first valve body for adjusting an opening degree of the suction passage based on a differential pressure applied to the first valve body, wherein the suction passage has an upstream suction passage which is located upstream of the throttle valve; and a lubricating oil passage connecting the oil reservoir to the upstream suction passage for the lubricating oil in the oil reservoir to flow to the upstream suction passage therethrough, the lubricating oil passage connected to the upstream suction passage at a position between the inlet and the throttle valve, and the lubricating oil passage includes a valve for controlling a flow of the lubricating oil in the lubricating oil passage, wherein supply of the lubricating oil is controlled according to the operation of the compressor.