Patent ID: 11965678
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A rotary compressor comprising:
a casing;
a compression mechanism housed in the casing, the compression mechanism having a suction port;
a joint pipe fixed to the casing, the joint pipe being formed into a cylindrical shape;
a suction pipe arranged inside the joint pipe, the suction pipe communicating with the suction port of the compression mechanism; and
an accumulator including an outlet pipe connected to an inlet end of the suction pipe,
the suction pipe having
a large diameter portion formed on an inlet side of the suction pipe, the large diameter portion being fixed to an inner peripheral surface of the joint pipe, and
a small diameter portion formed on an outlet side of the suction pipe, the small diameter portion having a smaller outside diameter than the large diameter portion,

the joint pipe being made of an iron-based material,
a clearance being formed between an outer peripheral surface of the small diameter portion of the suction pipe and the inner peripheral surface of the joint pipe, and
in a vertical sectional view, a total length of a width of an upper side of the clearance and a width of a lower side of the clearance being smaller than an inside diameter of the small diameter portion of the suction port.