Abstract: The present invention aims to provide: an epoxy resin composition in which the effect of adding an additive can be efficiently obtained even at a high temperature; a molding material which achieves a reduced unevenness in physical properties after curing while allowing the additive to exert its effect; and a fiber-reinforced composite material which has excellent mechanical properties while allowing the additive to exert its effect. To achieve the above-mentioned object, the epoxy resin composition according to the present invention is an epoxy resin composition including the following components (A) to (E): component (A): an epoxy resin having a viscosity at 25° C. of from 0.1 to 1,000 Pa·s and having two or more epoxy groups within one molecule; component (B): an additive having a viscosity at 25° C. of from 0.

Abstract: An epoxy resin composition for fiber reinforced composite materials comprising components (A) to (E): component (A), an epoxy resin; component (B), a dicyandiamide or a derivative thereof; component (C), a polyisocyanate compound; component (D), a urea compound as represented by formula (1): (wherein R1 and R2 are each independently H, CH3, OCH3, OC2H5, NO2, halogen, or NH—CO NR3R4; and R3 and R4 are each independently a hydrocarbon group, allyl group, alkoxy group, alkenyl group, aralkyl group, or an alicyclic compound containing both R3 and R4, all containing 1 to 8 carbon atoms); and component (E), at least one compound selected from the group consisting of quaternary ammonium salts, phosphonium salts, imidazole compounds, and phosphine compounds.

Abstract: The purpose of the present invention is to provide: an epoxy resin composition having both excellent dispersibility of a solid curing agent and excellent impregnation of reinforcing fibers; a molding material for the fiber-reinforced composite material that has excellent dispersibility of the solid curing agent in the post-thickened resin; and a fiber-reinforced composite material that has excellent appearance quality and mechanical characteristics and little unevenness in physical properties. In order to achieve the aforementioned purpose, this epoxy resin composition has the following configuration. The epoxy resin composition includes all components (A)-(C). The degree of dispersion of component (B) in component (A) is 0.1-0.8, the viscosity at 25° C. is 0.1-100 Pa·s, and the glass transition temperature of an epoxy resin cured product at any hardness between 85%-95% is at least 110° C.

Abstract: A sheet molding compound includes an epoxy resin composition meeting (I) and/or (II): (I) a component has a hydroxy group equivalent weight of 20 to 120, and (II) carbon fibers are bundle-shaped aggregates of discontinuous carbon fibers such that in a plane that has a largest width perpendicular to an alignment direction of the carbon fibers, two acute angles, referred to as angle a and angle b, formed between the alignment direction of the carbon fibers and sides formed by arrays of both ends of the carbon fibers in the bundle-shaped aggregates are 2° or more and 30° or less, the epoxy resin composition has a viscosity at 30° C. of 3.0×104 Pa·s or more and 1.0×106 Pa·s or less, and the epoxy resin composition has a viscosity at 120° C. of 1.0×102 Pa·s or more and 5.0×103 Pa·s or less.

Abstract: An epoxy resin composition contains components (A)-(C), and satisfies the expressions below: Component (A): an aliphatic epoxy resin having one hydroxyl group and two to three epoxy groups in one molecule; Component (B): an aliphatic epoxy resin having no hydroxyl group and three epoxy groups in one molecule; Component (C): a polyisocyanate compound; 0.125?A/B?3; and 0.2<(A+B)/T?0.8 (A: parts by mass of component (A), B: parts by mass of component (B), and T: total parts by mass of the epoxy resins in the epoxy resin composition).

Abstract: The present invention enables the achievement of: an SMC which has excellent flexibility, while being suppressed in tackiness; and a fiber-reinforced composite material which uses this SMC, thereby being reduced in voids after molding. In order to achieve the above, a sheet molding compound according to the present invention has the configuration described below. Specifically, a sheet molding compound according to the present invention is formed from reinforcing fibers and a resin composition, and has a weight content of the fibers of from 40% to 60% (inclusive) and an air bubble content of from 5% by volume to 30% by volume (inclusive), while satisfying the formulae below in a dynamic viscoelasticity measurement at 25° C. 105 Pa G? (s)?109 Pa 1?G?(s)/G? (s)?5 G?(s): storage elastic modulus (Pa) of sheet molding compound at 25° C. G?(s): loss elastic modulus (Pa) of sheet molding compound at 25° C.

Abstract: An epoxy resin composition contains components (A)-(C), and satisfies the expressions below: Component (A): an aliphatic epoxy resin having one hydroxyl group and two to three epoxy groups in one molecule; Component (B): an aliphatic epoxy resin having no hydroxyl group and three epoxy groups in one molecule; Component (C): a polyisocyanate compound; 0.125?A/B?3; and 0.2<(A+B)/T?0.8 (A: parts by mass of component (A), B: parts by mass of component (B), and T: total parts by mass of the epoxy resins in the epoxy resin composition).

Abstract: A sheet molding compound includes an epoxy resin composition meeting (I) and/or (II): (I) a component has a hydroxy group equivalent weight of 20 to 120, and (II) carbon fibers are bundle-shaped aggregates of discontinuous carbon fibers such that in a plane that has a largest width perpendicular to an alignment direction of the carbon fibers, two acute angles, referred to as angle a and angle b, formed between the alignment direction of the carbon fibers and sides formed by arrays of both ends of the carbon fibers in the bundle-shaped aggregates are 2° or more and 30° or less, the epoxy resin composition has a viscosity at 30° C. of 3.0×104 Pa·s or more and 1.0×106 Pa·s or less, and the epoxy resin composition has a viscosity at 120° C. of 1.0×102 Pa·s or more and 5.0×103 Pa·s or less.

Abstract: An epoxy resin composition for fiber reinforced composite materials comprising components (A) to (E): component (A), an epoxy resin; component (B), a dicyandiamide or a derivative thereof; component (C), a polyisocyanate compound; component (D), a urea compound as represented by formula (1): (wherein R1 and R2 are each independently H, CH3, OCH3, 0C2H5, NO2, halogen, or NH—CO NR3R4; and R3 and R4 are each independently a hydrocarbon group, allyl group, alkoxy group, alkenyl group, aralkyl group, or an alicyclic compound containing both R3 and R4, all containing 1 to 8 carbon atoms); and component (E), at least one compound selected from the group consisting of quaternary ammonium salts, phosphonium salts, imidazole compounds, and phosphine compounds.

Abstract: To achieve a reduction in power consumption by allowing a plurality of air conditioners to communicate with each other and thereby leveling their air-conditioning capacities with no load variations involved by temperature variations. An air-conditioning apparatus 100 may include a plurality of air conditioners and a computing section for control, where each air conditioner includes an indoor unit and an outdoor unit that form a closed refrigeration cycle. The indoor units of the plurality of air conditioners are installed in an area to be air-conditioned. The computing section for control may allow the plurality of air conditioners to communicate with each other, thereby leveling their air-conditioning capacities based on air-conditioning load detected by each air conditioner.

Abstract: Control units for three indoor units of air conditioners installed in a same indoor space are connected by a communication line. Each of the control units can grasp the detection information of the human detection sensor, preset temperature information of the remote controller, inlet temperature information of the inlet temperature sensor of all of the other air conditioners in the same space. On the basis of the above-mentioned information, each of the control units calculates an air-conditioning load of each of the air-conditioning target spaces and the air-conditioning load of an entire air-conditioning space on the basis of these air-conditioning target spaces in the same manner. A compressor is driven and controlled on the basis of a calculation result thereof to perform a power-saving operation of the entire air-conditioning space.

Abstract: Control units for three indoor units of air conditioners installed in a same indoor space are connected by a communication line. Each of the control units can grasp the detection information of the human detection sensor, preset temperature information of the remote controller, inlet temperature information of the inlet temperature sensor of all of the other air conditioners in the same space. On the basis of the above-mentioned information, each of the control units calculates an air-conditioning load of each of the air-conditioning target spaces and the air-conditioning load of an entire air-conditioning space on the basis of these air-conditioning target spaces in the same manner. A compressor is driven and controlled on the basis of a calculation result thereof to perform a power-saving operation of the entire air-conditioning space.

Abstract: To achieve a reduction in power consumption by allowing a plurality of air conditioners to communicate with each other and thereby leveling their air-conditioning capacities with no load variations involved by temperature variations. An air-conditioning apparatus 100 may include a plurality of air conditioners and a computing section for control, where each air conditioner includes an indoor unit and an outdoor unit that form a closed refrigeration cycle. The indoor units of the plurality of air conditioners are installed in an area to be air-conditioned. The computing section for control may allow the plurality of air conditioners to communicate with each other, thereby leveling their air-conditioning capacities based on air-conditioning load detected by each air conditioner.

Abstract: An apparatus achieving an efficient air-conditioning without disturbing convection in a room having a heating device inside.

Abstract: A pulsation type diaphragm pump prevents back flow of a fuel and has reduced parts and assembly requirements. An intake valve disposed between an intake chamber and a pump chamber has an intake valve seat protruded to an inner portion of the pump chamber and an intake valve body formed by a portion of a pump diaphragm. The intake valve body opens and closes an intake valve seat port in cooperation with an intake seat surface in accordance with oscillation of the pump diaphragm. A discharge valve disposed between the pump chamber and a discharge chamber has a discharge valve seat protruded to an inner portion of the discharge chamber and a discharge valve body formed by a portion of a pulsator diaphragm. The discharge valve body opens and closes a discharge valve seat port in cooperation with a discharge seat surface in accordance with oscillation of the pulsator diaphragm.

Abstract: A structure is made such that the number of parts of an intake valve and a discharge valve for preventing a back flow of a fuel is reduced and the number of an assembling processes and labors is reduced, without a pump function being not deteriorated. An intake valve (21) provided between an intake chamber (12) and a pump chamber (6) is constituted of a valve seat (22) protruded to an inner portion of the pump chamber (6) and a valve body (25) formed by a portion of a pump diaphragm (3) opposing to the valve seat (22), and the valve body (25) opens and closes a valve seat port (23) in cooperation with a seat surface (24) in accordance with an oscillation of the pump diaphragm (3).

Abstract: The improved motor drive unit includes a zero-crossing voltage detector circuit composed of components (7) to (12) for detecting whether the voltage from an AC power supply (1) is zero-crossing and a switching circuit for performing on-off control by means of a thyristor 27 so as to switch between energization and de-energization of the AC power supply to a motor (2) and controls the speed of the motor by changing the ratio between the times of energization and de-energization of the AC power supply to the motor. The start of energization coincides with the zero-crossing of the AC power supply voltage whereas the timing of end of energization coincides with the zero-crossing of an energization current by means of the thyristor and wherein the energization time is fixed at a value either equal to or twice the power supply period whereas the de-energization time is varied in units that are integral multiples of one half the power supply period.

Abstract: A fuel supply system for selectively increasing the fuel supply to an internal combustion engine suitable for use in outboard motors and the like in response to sensed operating conditions of the engine, such as engine start-up, engine acceleration, and engine knocking. A series of engine operating condition sensors, such as an engine temperature sensor, an engine throttle opening sensor, an engine crank angle sensor, and an engine knocking sensor, detects the occurrence of engine start-up, engine acceleration, or engine knocking and sends a signal to a micro-computer to operate an electromagnetic pump and electromagnetic control valve to supply an additional amount of fuel to the fuel supply passage of the engine.

Abstract: An apparatus for regulating fuel supply to a liquefied petroleum gas engine comprising a housing divided by a lower chamber passing through the fuel in liquid phase from a fuel supply to a vaporizer and an upper chamber connected to a carburetor of the engine passing through the fuel in gas phase from the vaporizer to the carburetor by a partition wall having a passage therein, the composition of the fuel being determined in temperature and vapor pressure of the fuel in liquid phase in the lower chamber, the flow of the fuel in gas phase from the passage in the partition wall to the upper chamber being controlled by valve means actuated in response to the temperature and the pressure of the fuel in liquid phase.