Patent ID: 8956131
Filing Date: 2015-02-17
Classification: F04C

Abstract:
1. A scroll compressor connected to a refrigerant circuit for performing a refrigeration cycle to compress a refrigerant sucked into a compression chamber, comprising: a fixed scroll having an end plate and a spiral lap protruding from a front surface of the end plate; an orbiting scroll having an end plate and a spiral lap protruding from a front surface of the end plate of the orbiting scroll, the fixed scroll and the orbiting scroll meshing with each other such that an end face of the lap of one of the fixed scroll or the orbiting scroll faces the front surface of the end plate of the other of the fixed scroll and the orbiting scroll to form the compression chamber; and an injection passage through which an intermediate pressure refrigerant is supplied to the compression chamber in the course of compression, with refrigeration oil separated from a refrigerant discharged from the scroll compressor being supplied to the injection passage together with the intermediate pressure refrigerant, at least one of the fixed scroll and the orbiting scroll having a bottom land facing the lap of the other of the fixed scroll and the orbiting scroll, the bottom land being part of the front surface of the end plate of the at least one of the fixed scroll and the orbiting scroll, the bottom land having