Abstract: There is provided a water solar power generation system including: a solar cell plate; a frame supporting the solar cell frame; and a float installed in the frame and positioning the solar cell plate on the surface of the water while floating on the surface of the water. The frame becomes a negative electrode and an optical electrode which becomes a positive electrode, and is electrically connected to the frame, and causes water decomposition while contacting water in the water to generate oxygen in the water.

Abstract: There is provided a water solar power generation system including: a solar cell plate; a frame supporting the solar cell frame; and a float installed in the frame and positioning the solar cell plate on the surface of the water while floating on the surface of the water. The frame becomes a negative electrode and an optical electrode which becomes a positive electrode, and is electrically connected to the frame, and causes water decomposition while contacting water in the water to generate oxygen in the water.

Abstract: Disclosed are an anti-abrasion device and a reciprocating compressor having the same, whereby a sleeve is fabricated with an outer diameter smaller than an inner diameter of a connecting rod to be non-press-fitted, thereby facilitating an assembly of the sleeve, and also the deformation of an inner diameter of the sleeve is prevented during the assembly of the sleeve, thereby preventing beforehand an increase in an input load of a motor unit due to the deformation of the sleeve and an abrasion of a pin of a crankshaft.

Abstract: A compressor having a casing to which a gas suction pipe is connected; a driving motor provided in the casing; a cylinder; a valve supporting plate (210) covering the cylinder (300), the valve supporting plate (210) having a suction hole (212) for sucking gas into the cylinder (300) and two discharge holes (211) for discharging gas compressed in the cylinder (300); a piston (100) having two protrusions (101) at a pressure surface in correspondence to the two discharge holes (211) of the valve supporting plate (210), the protrusions (101) having different sized cross-sections, the piston being linearly reciprocal in the cylinder (300) by receiving a driving force of the driving motor; a suction valve coupled to the valve supporting plate (210) to open and close the suction hole (212); a discharge valve coupled to the valve supporting plate to open and close the two discharge holes (211).

Abstract: The present invention relates to a control method of a centrifuge using balancer wherein a balancer containing balls, a liquid, or both balls and a liquid are provided, thereby helping the rotor rotate more stably. More particularly, the centrifuge comprises a motor, a rotational shaft of the motor projected from said motor, a rotor, a main body, and a balancer which contains compensation material in a balancing space formed by a cover that is coupled to said main body, wherein the balancing for the unbalance due to the loaded samples is executed more accurately and stably.

Abstract: A detachable connecting rod includes a first member (410)a large end portion (411) having a trough hole (H1), and a first connection rod portion (412) extending from the large end portion (411), the first connection rod portion (412) having a pair of spaced apart arms defining a coupling groove (413) extending in the same direction as an axial direction of the through hole (H1); a second member (420) including a small end portion having a through hole (H2), and second connection rod portion (422) extending from the small end portion, the second connection rod (422) portion being inserted into the coupling groove (413) and a coupling unit for coupling the first connection rod portion (412) to the second connection rod portion inserted (412) into the coupling groove (413) of the first member (410). The detachable connecting rod is useable in a compressor.

Abstract: Disclosed are an anti-abrasion device and a reciprocating compressor having the same, whereby a sleeve is fabricated with an outer diameter smaller than an inner diameter of a connecting rod to be non-press-fitted, thereby facilitating an assembly of the sleeve, and also the deformation of an inner diameter of the sleeve is prevented during the assembly of the sleeve, thereby preventing beforehand an increase in an input load of a motor unit due to the deformation of the sleeve and an abrasion of a pin of a crankshaft.

Abstract: A compressor having a casing to which a gas suction pipe is connected; a driving motor provided in the casing; a cylinder; a valve supporting plate (210) covering the cylinder (300), the valve supporting plate (210) having a suction hole (212) for sucking gas into the cylinder (300) and two discharge holes (211) for discharging gas compressed in the cylinder (300); a piston (100) having two protrusions (101) at a pressure surface in correspondence to the two discharge holes (211) of the valve supporting plate (210), the protrusions (101) having different sized cross-sections, the piston being linearly reciprocal in the cylinder (300) by receiving a driving force of the driving motor; a suction valve coupled to the valve supporting plate (210) to open and close the suction hole (212); a discharge valve coupled to the valve supporting plate to open and close the two discharge holes (211).

Abstract: A detachable connecting rod includes a first member (410)a large end portion (411) having a trough hole (H1), and a first connection rod portion (412) extending from the large end portion (411), the first connection rod portion (412) having a pair of spaced apart arms defining a coupling groove (413) extending in the same direction as an axial direction of the through hole (H1); a second member (420) including a small end portion having a through hole (H2), and second connection rod portion (422) extending from the small end portion, the second connection rod (422) portion being inserted into the coupling groove (413) and a coupling unit for coupling the first connection rod portion (412) to the second connection rod portion inserted (412) into the coupling groove (413) of the first member (410). The detachable connecting rod is useable in a compressor.