| CPC F04C 29/12 (2013.01) [F04C 18/0215 (2013.01)] | 19 Claims |
|
1. A scroll compressor comprising:
a housing;
a motor provided in the housing;
a rotating shaft rotated by the motor;
an orbital scroll orbitally moved by the rotating shaft;
a fixed scroll forming a compression chamber together with the orbital scroll;
an injection flow path guiding an intermediate pressure refrigerant from an outside of the housing to the compression chamber; and
an injection valve assembly opening and closing the injection flow path, wherein the injection valve assembly comprises:
a cover plate having an inlet through which the intermediate pressure refrigerant is introduced;
an injection valve opening and closing the inlet; and
a valve plate having an outlet guiding the refrigerant that has passed through the injection valve toward the compression chamber, wherein the housing comprises a rear housing including a discharge chamber accommodating the refrigerant discharged from the compression chamber, a discharge port guiding the refrigerant in the discharge chamber to the outside of the housing, an introduction port through which the intermediate pressure refrigerant is introduced from the outside of the housing, and an introduction chamber accommodating the refrigerant introduced through the introduction port, wherein the rear housing includes a first annular wall located at an outermost side of the rear housing in a circumferential direction, a second annular wall accommodated in the first annular wall, and a third annular wall accommodated in the second annular wall, and wherein the injection valve assembly is coupled to the third annular wall.
|