Importance

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Abstract

A swash plate type compressor for refrigerant in a refrigeration cycle of an air conditioning system for an automotive vehicle. The compressor comprises a cylinder block having a plurality of cylinder bores. A plurality of pistons are provided to be respectively fitted in the cylinder bores, each piston making a linear movement under action of a swash plate which is rotatable with a drive shaft. Additionally, a rear housing is provided having a refrigerant suction chamber and a refrigerant discharge chamber. The rear housing has first and second end sections, in which the first end section is connected through a valve plate to an end section of the cylinder block. The refrigerant suction chamber and the refrigerant discharge chamber are connectable with the cylinder bores of the cylinder block through holes formed in the valve plate. The rear housing includes a base section connected through the valve plate to the cylinder block and being formed thereinside with a first part of the refrigerant discharge chamber. A bulged section is formed integral with the base section and projecting in a direction opposite to the cylinder block. The bulged section has an inside depression which forms a second part of the refrigerant discharge chamber. The bulged section has a linear groove formed at a surface forming part of the second end section of the rear housing and depressed in a direction of the first end section of the rear housing. Bracket walls are formed integral with the bulged section to close opposite end sections of the linear groove.

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First Claim