Patent ID: 6988875
Filing Date: 2006-01-24
Classification: F04B

Abstract:
1. A lubricating structure in a fixed displacement piston type compressor, comprising: a housing defining a cam chamber, a plurality of cylinder bores and a suction pressure region; a rotary shaft rotatably supported by the housing; a cam located in the cam chamber, the cam being connected to the rotary shaft; a piston located in each of the cylinder bores, the piston engaging the cam to reciprocate in accordance with rotation of the rotary shaft through the cam; a rotary valve including an introducing passage and a supply passage that interconnects the introducing passage and the suction pressure region, the introducing passage introducing fluid from the supply passage into the cylinder bores; a rotary body including the rotary valve and connected to the rotary shaft; and a communication passage interconnecting the cam chamber and the supply passage the communication passage being formed in the rotary body.