OIL FEEDING DEVICE OF A HORIZONTAL-TYPE CLOSED COMPRESSOR FOR SEPARATING THE INSIDE OF A CASING INTO HIGH AND LOW PRESSURE UNITS BY A HIGH/LOW PRESSURE DIVIDING PLATE AND GAS AND OIL HOLES FORMED AT A CYLINDER ASSEMBLY, A MUFFLER, AND THE HIGH/LOW PRESSURE DIVIDING PLATE

摘要

PURPOSE: An oil feeding device of a horizontal-type closed compressor is provided to pump smoothly and supply oil filled in a casing to each sliding unit by moving gas to a high pressure unit and the oil to a low pressure unit even if the compressor is installed horizontally. CONSTITUTION: An oil feeding device of a horizontal-type closed compressor is composed of a casing(10) filled with the predetermined amount of oil and disposed horizontally by communicating and disposing a gas suction pipe and a gas discharge pipe(DP); a motor unit(M) installed in the casing and composed of a stator and a rotor for generating power; and a compression mechanism unit(20) comprising a cylinder assembly(21), a rotary shaft(25), first and second vanes(26A,26B), and first and second mufflers(27A,27B). The cylinder assembly comprises a suction port(22a) communicating directly with the gas suction pipe, a vane slot communicating axially in an inner space(V) communicating with the suction port, and a discharge port formed in the opposite side of the suction port about the vane slot. The rotary shaft has a blade unit(25C) for dividing the inner space of the cylinder assembly into plural closed spaces and combines with the motor unit by forming an oil passage therein. The first and second vanes are pressure-contacted with the blade unit of the rotary shaft to change and divide each closed space into suction and compression areas and slid and combined axially in each vane slot. The first and second mufflers are joined with the outside of the cylinder assembly to receive each discharge port of the cylinder assembly. The inside of the casing is divided into high and low pressure unit(Hs,Ls) by the cylinder assembly or the first and second mufflers. A gas hole is formed axially on the upper part of the cylinder assembly to induce the compressed gas discharged from the cylinder assembly into the high pressure unit of the casing. Oil holes(22c,27d) are formed at the lower part of the cylinder assembly or the lower part of the first or second muffler to induce the oil of the casing into the low pressure unit.