Cylinder block of piston-type compressor and method for manufacturing the same
AssigneeKabushiki Kaisha Toyota Jidoshokki
InventorsToshiyuki KOBAYASHI, Mitsuyo ISHIKAWA, Jun KONDO
Life of this patent
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Abstract
A cylinder block of a piston-type compressor includes a main cylinder block, a shaft hole formed through the main cylinder block, a plurality of cylinder bores formed in the main cylinder block around the shaft hole, a separation wall formed integrally with the main cylinder block and closing one end of the cylinder bore, a first hole formed through the separation wall and a second hole formed linearly and connecting the cylinder bore and the shaft hole. The first hole is formed so that the first hole is located on an extended line of axis Q of the second hole and the diameter of the first hole is equal to or more than that of the second hole.
Claims7
A cylinder block of a piston-type compressor comprising:
- a main cylinder block;
- a shaft hole formed through the main cylinder block;
- a plurality of cylinder bores formed in the main cylinder block around the shaft hole;
- a separation wall formed integrally with the main cylinder block and closing one end of the cylinder bore;
- a first hole formed through the separation wall;
- and
- a second hole formed linearly and connecting the cylinder bore and the shaft hole, wherein the first hole is formed so that the first hole is located on an extended line of axis Q of the second hole and the diameter of the first hole is equal to or more than that of the second hole.
A method for manufacturing a cylinder block of a piston-type compressor, wherein the cylinder block comprising:
- a main cylinder block;
- a shaft hole formed through the main cylinder block;
- a plurality of cylinder bores formed in the main cylinder block around the shaft hole;
- a separation wall formed integrally with the main cylinder block and closing one end of the cylinder bore;
- a first hole formed through the separation wall;
- and
- a second hole formed linearly and connecting the cylinder bore and the shaft hole, the method characterized by the step of:
- forming the first hole and the second hole continuously by drilling.
Dependencies are inferred from the claim text.