Patent ID: 8961159
Filing Date: 2015-02-24
Classification: F04C

Abstract:
1. A scroll compressor, comprising: a casing that defines an inner space; a fixed scroll fixed in the inner space of the casing, the fixed scroll having a fixed wrap; an orbiting scroll having an orbiting wrap engaged with the fixed wrap to form a compression space therebetween; a shaft coupled to a driver that rotates the shaft and having an eccentric portion, wherein the eccentric portion is coupled to the orbiting scroll; a frame fixed in the inner space of the casing above the orbiting scroll so as to divide the inner space into a discharge space above the frame and a suction space below the frame; at least one discharge hole formed in the orbiting scroll to guide compressed refrigerant from the compression space to the discharge space; and a discharge passage formed in the frame, wherein a peripheral portion of the discharge passage is shaped such that the peripheral portion blocks the at least one discharge hole at a time point when discharging of refrigerant through the at least one discharge hole is initiated, wherein peripheral portion is configured to selectively block the at least one discharge hole formed in the orbiting scroll as the orbiting scroll moves with respect to the fixed scroll and the frame, and the peripheral portion is configured to fully block the at least one discharge hole at the time point when discharging of refrigerant through the at least one discharge hole is initiated.