摘要:
A water-lifting pump apparatus which is free of a discharge valve and a check valve, is low in cost, and is capable of reducing vibration and noise due to a waterfall after the end of water pumping operation. The water-lifting pump apparatus has a suction tank (10), a discharge tank (20), a pump (30) for pumping water in the suction tank (10) into the discharge tank (20), and a discharge piping (50) connected to a discharge side of the pump, an actuator (60) for actuating the pump (50), a reverse flow preventing mechanism (80) for preventing a reverse flow of water pumped into the discharge tank (20) toward the discharge piping (50), and a back flow rate control (90) for controlling the flow rate of a waterfall falling from the discharge piping (50) into the suction tank (10) when pumping operation is finished.
摘要:
A light emission type heating apparatus comprises a first lamp unit which includes two or more lamps, in which at least one of the lamps includes two or more filaments in its light emission bulb, and intensity of light emitted from each filament is independently controlled, and a second lamp unit which is made up of two or more lamps, and wherein the lamps of the first lamp unit are grouped, in each of which a filament of at least one of the lamps and a filament of another one of the lamps are arranged to form groups, wherein a temperature of the workpiece is detected, and electric power to be applied to each of the groups of filaments is controlled based on the detected temperature of the workpiece.
摘要:
A nitride semiconductor laser device includes, on a first principle face of the (0001) of a nitride semiconductor substrate, a nitride semiconductor layer having a first conductivity type, an active layer, and a nitride semiconductor layer having a second conductivity type that is different from the first conductivity type, and being formed a stripe ridge on the surface thereof. The (000-1) face and an inclined face other than the (000-1) face are exposed on a second principal face of the nitride semiconductor substrate. The inclined face other than the (000-1) face represents no less than 0.5% over the surface area of the second principal face.
摘要:
A digital camera contains a circuit board and a battery box inside a housing. The housing and the battery box are made of plastic. The housing is fixed to the battery box with a tapping screw. A conductive plate for preventing the tapping screw from being charged is arranged between the housing and the battery box. Projections of the conductive plate penetrate into thread grooves of the tapping screw. The conductive plate transmits static electricity of the tapping screw to a grounding member of the circuit board.
摘要:
In a vehicle seat lock, an operating knob is provided at the top of the seat back of a chair. The operating knob is joined to the inner end of the bell crank at the lower end. The bell crank is pivotally secured to a bracket in the seat back. The outer end of the bell crank has the first and second elongate openings. The upper end of the first connecting rod slidably engages in the first elongate opening, and the upper end of the second connecting rod slidably engages in the second elongate opening. The lower end of the first connecting rod is coupled to a sensing member which detects invasion of the striker. The lower end of the second connecting rod is coupled to an opening lever which allows a hook member to disengage from a striker fixed to the vehicle body.