Patent ID: 8303263
Filing Date: 2012-11-06
Classification: F04B

Abstract:
1. A swash plate type compressor, comprising: front and rear housings having a discharge chamber formed therein and defining an external appearance of at least both ends of the swash plate type compressor; front and rear cylinder blocks positioned between the front and rear housings and having a shaft support hole formed to pass through a center thereof, the front and rear cylinder blocks having a plurality of cylinder bores formed around the shaft support hole, the shaft support hole being respectively connected with the cylinder bores through a suction passage, the front and rear cylinder blocks having a swash plate chamber provided therein; a rotary shaft rotatably installed to pass through the front and rear cylinder blocks, the rotary shaft rotating together with a swash plate positioned in the swash plate chamber and slantingly installed to the rotary shaft, the rotary shaft being formed with a channel that allows a working fluid introduced into the swash plate type compressor to the cylinder bores through the channel; a plurality of pistons connected to the swash plate with shoes being interposed therebetween, the plurality of pistons reciprocating in the cylinder bores according to the rotation of the swash plate; and bearings installed between both side surfaces of the swash plate and an inner surface of the swash plate chamber so that the rotary shaft rotates in the swash plate chamber smoothly, wherein a hub is formed at a center of the swash plate and is formed with a shaft hole into which the rotary shaft is inserted and fixed, the hub being formed with communication holes communicating with the channel, the communication holes being open in surfaces which are in contact with the bearings, and wherein the bearing includes first and second races, the outer peripheral portion of the first race having increased thickness faces and contacts the hub of the swash plate.