Swash plate compressor

Abstract

A swash plate compressor of the present invention includes: a housing; a cylinder block that has a plurality of cylinder bores and is coupled to the housing; a plurality of pistons that are accepted and reciprocate in the cylinder bores respectively; a drive shaft that is installed to be rotatable with respect to the housing and the cylinder block; a swash plate that is rotated by the drive shaft and connected to the piston; a valve plate that is placed between the housing and the cylinder block; and a rotary valve that rotates with the drive shaft and is installed and allows the rotation thereof on the inner plane of a coupling hole formed in the cylinder block. The swash plate compressor of the present invention further comprises: a coolant suction hole formed on the cylinder block to communicate with a swash plate chamber and a coolant storage chamber of the housing; a coolant inflow hole formed on the drive shaft and communicating with the coolant storage chamber; a coolant outflow chamber formed on the rotary valve and communicating with the coolant inflow hole; and a communication hole formed on an inner peripheral of the coupling hole that contacts the coolant outflow hole and communicates with the cylinder bores.

Description

technical field [0001] The present invention relates to a swash plate type compressor, and more particularly, to a swash plate type compressor capable of efficiently sucking refrigerant introduced into a crankshaft chamber through a cylinder block. Background technique [0002] In general, an air conditioning system for a vehicle is operated such that the interior temperature of the vehicle is lower than the exterior temperature, and it includes a compressor, a condenser, and an evaporator to form a refrigerant cycle. [0003] Such compressors are arranged to compress and supply refrigerant and are driven by the engine or the power of the engine. [0004] In a swash plate compressor of the reciprocating compressor type, a disc-shaped swash plate is mounted on the drive shaft to which the engine's power is transmitted so that the side inclination of the swash plate can be variable or fixed as the drive shaft rotates and a plurality of pistons installed around the swash plate...

AI Technical Summary

Problems solved by technology

[0019] However, according to the conventional technology, since refrigerant is sucked into the crankshaft chamber when the drive shaft rotates through the suction hole of the drive shaft formed in the hub of the swash plate, due to the centrifugal force generated when the drive shaft rotates at high speed The flow resistance caused by the inability to draw in sufficient quantities of refrigerant

[0020] In addition, the volumetric efficiency of the compressor decreases due to the passage resistance of the refrigerant remaining in the suction passage, making it difficult to suck in a sufficient amount of refrigerant

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