Patent ID: 6604447
Filing Date: 2003-08-12
Classification: F04B

Abstract:
A swash plate-type, variable displacement compressor comprising:a front housing; a cylinder block; a cylinder head; a drive shaft rotatably supported by said front housing and said cylinder block; a rotor fixed to said drive shaft so as to be rotatable with said drive shaft; a plurality of pistons slidably accommodated in a corresponding plurality of cylinder bores which are provided and arranged through an end surface of said cylinder block, and axes of said cylinder bores are arranged about a virtual cylinder having a radius R and formed around an axis X of said drive shaft; a swash plate through which a central portion said drive shaft penetrates and to which is connected each of said pistons via a pair of shoes; a connection mechanism operably connected between said rotor and said swash plate, which enables said swash plate to change its oblique angle with respect to said axis X of said drive shaft; and said swash plate comprising a flat ring and a second ring wherein; said pistons are connected to said flat ring from inside; and said connection mechanism comprises a first arm and a second arm provided on said rotor, a pin, and a third arm formed on said swash plate, wherein said pin extends in a direction tangential to surface of said virtual cylinder.