摘要:
A rotary compressor including a case defining an external appearance of the compressor. A compressing device is arranged inside the case, and a lower cap is fixed to a lower end of the case. The rotary compressor further includes a weld zone to fix the compressing device and lower cap to each other.
摘要:
A variable capacity rotary compressor includes a housing having a compressing chamber, a roller to rotate in the compressing chamber while coming into contact with an inner peripheral surface of the compressing chamber, a vane to move forward and rearward along a guiding groove in accordance with rotation of the roller, the guiding groove being formed in the housing in a radial direction of the compressing chamber, a vane control device to regulate restriction and release of the vane as to whether or not the vane comes into continuous contact with an outer peripheral surface of the roller, and a controller to output a control signal to the vane control device for the variation of a compression capacity, so as to regulate a proportion of restriction and release of the vane, and a capacity variation method using the variable capacity rotary compressor.
摘要:
A variable capacity rotary compressor has a simplified structure to reduce manufacturing costs and assembling time thereof and is capable of easily and conveniently performing a capacity-changing operation. The variable capacity rotary compressor includes first and second compression chambers having different capacities, a rotary shaft disposed through the first and second compression chambers, first and second eccentric cams mounted at the rotary shaft in the first and second compression chambers, respectively, first and second eccentric bushes rotatably mounted at outer surfaces of the first and second eccentric cams, respectively, a connection part connected between the first and second eccentric bushes, the connection part having a latching groove extending in a rotating direction of the rotary shaft, a latching pin protruding from the rotary shaft such that the latching pin is disposed in the latching groove, and holding grooves depressed by a predetermined depth at opposite ends of the latching groove in a longitudinal direction of the rotary shaft to hold the latching pin therein.
摘要:
The present invention provides a non-PGM catalyst for burning carbon soot without using a noble metal, the non-PGM catalyst comprising: a cerium-praseodymium complex oxide and an iron oxide, the cerium-praseodymium complex oxide impregnated with silver (Ag). The cerium-praseodymium complex oxide illustratively consists of 60 to 95 wt % of cerium oxide and 5 to 40 wt % of praseodymium oxide, and silver (Ag) impregnated in the complex oxide is 1.5 to 3.0 parts by weight of the total weight of the complex oxide. The iron oxide may be an oxide in a form of particles separate from the cerium-praseodymium complex oxide in which silver is impregnated, and may be 0.5 to 2 parts by weight of the total weight of the cerium praseodymium complex oxide.
摘要:
The present invention provides a non-PGM catalyst for burning carbon soot without using a noble metal, the non-PGM catalyst comprising: a cerium-praseodymium complex oxide and an iron oxide, the cerium-praseodymium complex oxide impregnated with silver (Ag). The cerium-praseodymium complex oxide illustratively consists of 60 to 95 wt % of cerium oxide and 5 to 40 wt % of praseodymium oxide, and silver (Ag) impregnated in the complex oxide is 1.5 to 3.0 parts by weight of the total weight of the complex oxide. The iron oxide may be an oxide in a form of particles separate from the cerium-praseodymium complex oxide in which silver is impregnated, and may be 0.5 to 2 parts by weight of the total weight of the cerium praseodymium complex oxide.
摘要:
A rotary compressor, the capacity of which is variable with a simplified configuration, and an air conditioning system having the rotary compressor. The rotary compressor is used in an air conditioning system including a condenser, a compressor, an evaporator, and an expansion valve, and includes a housing, a compressing chamber defined in the housing, and a vane to be moved forward or rearward in a radial direction of the compressing chamber. The vane is moved forward or rearward depending on an opening rate of the expansion valve.
摘要:
A variable capacity rotary compressor with upper and lower compression chambers having different capacities, the upper and lower compression chambers being partitioned from each other, and a rotary shaft extending through the upper and lower compression chambers. The rotary shaft includes a fixing hole and a latch pin which includes a head part is fixed to the rotary shaft through the fixing hole. The head part of the latch pin can be forcibly fit into a forcible fitting hole of the fixing hole. The head part is spaced apart from the inner circumference of the forcible fitting hole in the axial direction of the rotary shaft when the head part is forcibly fitted in the forcible fitting hole, so that a forcible fitting force is not applied in the axial direction of the rotary shaft.