Patent ID: 11953004
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC B  F

Claim 8:
9. A compressor comprising:
a casing including a tubular barrel casing and an end casing covering an opening of an end portion of the tubular barrel casing;
a housing provided inside the casing;
a first weld formed by welding the tubular barrel casing and the housing together; and
a second weld formed by welding the tubular barrel casing and the end casing together over a predetermined length along a circumferential direction of the tubular barrel casing,
the second weld including a repeatedly welded portion formed by one end portion and an other end portion of the second weld overlapping each other, or the second weld including a plurality of second welds each including a repeatedly welded portion formed by an end portion of the second weld and an end portion of an other one of the second welds overlapping each other,
the repeatedly welded portion being formed to reduce deformation of the tubular barrel casing, and
the repeatedly welded portion and the first weld being aligned along an axial direction of the tubular barrel casing,
the first weld including a plurality of first welds, and the repeatedly welded portion includes a plurality of repeatedly welded portions,
a plurality of array structures each including any one of the plurality of first welds and any one of the plurality of repeatedly welded portions aligned along the axial direction of the tubular barrel casing, and
the plurality of array structures being aligned at equal angular intervals along the circumferential direction of the tubular barrel casing.