Abstract: In a fuel injection valve support structure which can apply a substantially constant set load, the fuel injection valve has first and second load receiving portions, the first load receiving portion being supported on the engine, the second load receiving portion being supported on an elastic support member which receives a set load from a fuel supply cap. The elastic support member includes a base plate placed on the second load receiving portion, and an elastic piece curving rearward from one end toward the other end of the base plate, with an apex portion in pressure contact with the cap, the base plate has a portion overhanging from the second load receiving portion and supporting a tip end portion of the elastic piece. The overhang portion starts bending when a load the overhang portion receives from the cap through the elastic piece reaches or exceeds a predetermined value.

Abstract: A switching loss is reduced by reducing a deviation from the operational principle of zero-volt switching (ZVS). A semiconductor integrated circuit includes high-side switch elements Q11 and Q12, a low-side switch element Q2, and a controller CNT. A decoupling capacitance Cin is coupled between one end of a high-side element and an earth potential, and the high-side element includes the first and second transistors Q11 and Q12 coupled in parallel. In changing the high-side elements from an on-state to an off-state, CNT controls Q12 from an on-state to an off-state by delaying Q12 relative to Q11. Q11 and Q12 are divided into a plurality of parts inside a semiconductor chip Chip 1, a plurality of partial first transistors formed by dividing Q11 and a plurality of partial second transistors formed by dividing Q12 are alternately arranged in an arrangement direction of Q11 and Q12, inside the semiconductor chip Chip 1.

Abstract: A piezoelectric blower includes an outer casing and a blower main body. The outer casing houses the blower main body. The blower main body includes a top plate, side plate, first vibrating plate, piezoelectric element, intermediate plate, second vibrating plate, side plate, and bottom plate and has a structure in which they are laminated in sequence. The top plate, side plate, and first vibrating plate define a columnar first blower space. The second vibrating plate, side plate, bottom plate define a columnar second blower space. The distance from a neutral plane of the piezoelectric element in the thickness direction to a surface of the second vibrating plate, the surface being near the piezoelectric element, is longer than the distance from the neutral plane to a surface of the first vibrating plate, the surface being near the piezoelectric element.

Abstract: A cyclonic separator and a vacuum cleaner which efficiently separates dust, collect the dust without re-scattering it and make low noise are provided. In a primary cyclone portion 10, a primary swirl chamber 12 swirls air containing dust sucked from a primary inlet 11, and thereby, separates a first dust and a second dust from the air containing dust to collect them respectively in a zero-order dust case 114 which is provided at a side of the primary swirl chamber 12 and communicates with a zero-order opening portion 113 provided at a side wall, and a primary dust case 14 provided at a lower side of the primary swirl chamber 12.

Abstract: The inkjet printing system includes a print information receiving unit that receives print information including work piece types, print images, and print conditions (S231), an image arrangement deciding unit that decides an image arrangement that is an arrangement of the print images on a pallet (S232 to S242), a work piece arrangement outputting unit that outputs a work piece arrangement that is an arrangement of work pieces according to the image arrangement (S243), and a print executing unit that executes printing on the work pieces on the pallet based on the print image, print conditions, and image arrangement, wherein the image arrangement deciding unit decides the image arrangement in a state where a plurality of print images with the common specific print conditions being predetermined conditions among the print conditions is aligned in a main scanning direction (S232, S233).

Abstract: A cyclonic separator and a vacuum cleaner which efficiently separates dust, collect the dust without re-scattering it and make low noise are provided. In a primary cyclone portion 10, a primary swirl chamber 12 swirls air containing dust sucked from a primary inlet 11, and thereby, separates a first dust and a second dust from the air containing dust to collect them respectively in a zero-order dust case 114 which is provided at a side of the primary swirl chamber 12 and communicates with a zero-order opening portion 113 provided at a side wall, and a primary dust case 14 provided at a lower side of the primary swirl chamber 12.

Abstract: The inkjet printing system includes a print information receiving unit that receives print information including work piece types, print images, and print conditions (S231), an image arrangement deciding unit that decides an image arrangement that is an arrangement of the print images on a pallet (S232 to S242), a work piece arrangement outputting unit that outputs a work piece arrangement that is an arrangement of work pieces according to the image arrangement (S243), and a print executing unit that executes printing on the work pieces on the pallet based on the print image, print conditions, and image arrangement, wherein the image arrangement deciding unit decides the image arrangement in a state where a plurality of print images with the common specific print conditions being predetermined conditions among the print conditions is aligned in a main scanning direction (S232, S233).

Abstract: A cyclone separation device includes: a swirl chamber that swirls air containing dust along a side wall therein, and separates dust from the air containing dust; a first dust collection chamber that communicates with an inside of the swirl chamber through a first opening formed in the side wall of the swirl chamber; a second dust collection chamber that communicates with the inside of the swirl chamber through a second opening formed on a downstream side of the first opening in the swirl chamber; a discharge pipe that communicates with a discharge port for discharging air in the swirl chamber; and a plurality of inlets that are provided on an upstream side of the first opening, and through which the air containing dust flows into the swirl chamber.

Abstract: A dust collection unit includes a swirl chamber, dust collection chambers, a discharge pipe, an inlet pipe, a bypass inlet, and a bypass inlet airflow passage. The swirl chamber swirls, along a side wall, dust-containing air having entered from a primary inlet and a secondary inlet having a smaller opening area than the primary inlet, and separates dust from the dust-containing air. The dust separated by the swirl chamber is collected by the dust collection chambers. A discharge pipe has a discharge opening. The inlet pipe allows the dust-containing air to flow from the primary inlet into the swirl chamber. A bypass inlet is formed in the inlet pipe. The bypass inlet airflow passage allows the dust-containing air in the inlet pipe having entered from the bypass inlet to flow from the secondary inlet into the swirl chamber.

Abstract: A semiconductor integrated circuit device includes a first voltage terminal, a second voltage terminal, an output terminal, a high-side MOSFET connected between the first voltage terminal and the output terminal, a low-side MOSFET connected between the output terminal and the second voltage terminal and having first and second gate electrodes, a drive circuit that complementally switches on and off the high-side MOSFET and low-side MOSFET, and a second gate electrode control circuit that generates a second gate control signal supplied to the second gate electrode of the low-side MOSFET. The second gate electrode control circuit has a voltage generating circuit that supplies a negative voltage negative in polarity relative to a voltage at the source of the low-side MOSFET, to the second gate electrode of the low-side MOSFET.

Abstract: A piezoelectric micro-blower includes an inner case to which a peripheral portion of a vibrating plate including a piezoelectric element is fixed such that a blower chamber is defined between the inner case and the vibrating plate and an outer case arranged to cover an outer periphery of the inner case with a gap therebetween. The inner case is elastically retained in the outer case by a plurality of connecting portions. A first opening is provided in a top plate portion of the inner case that faces a central portion of the vibrating plate, and a second opening is provided in a top plate portion of the outer case that faces the first opening. A central space is provided between the top plate portions, and fluid introduced from the outside is guided to the central space through the gap between the inner and outer cases.

Abstract: In an electromagnetic fuel injection valve which is configured to absorb an unbalanced load applied to sliding portions between a fixed core and a valve stem, thereby enabling a reduction in a frictional resistance of the sliding portions, a guide bush is press fitted in an inner peripheral surface of the fixed core, the valve element includes a valve part configured to cooperate with the valve seat, and the valve stem continuously provided to the valve part and extending toward the guide bush, a sliding member configured to be slidably fitted to an inner peripheral surface of the guide bush is press fitted on the valve stem, wherein an annular gap is provided at least at one of a location between the fixed core and the guide bush and a location between the valve stem and the sliding member, within sliding regions of the guide bush and the sliding member.

Abstract: A motion guide display device includes a head-mountable image display device that displays an image, a camera that takes a self image from a first person perspective, an image display processing unit that displays a reference image from a first person perspective as a following target and the self image at the display unit alternately in a time-dividing manner under the condition generating a blending feeling, and a display mode setting unit that lets the image display processing unit operate within the range of cycles (frequencies) and self-other ratios as the condition generating a blending feeling. This can bring the blending feeling with the reference image, and can support the continuation of spontaneous following motion.

Abstract: A dust collection unit includes a swirl chamber, dust collection chambers, a discharge pipe, an inlet pipe, a bypass inlet, and a bypass inlet airflow passage. The swirl chamber swirls, along a side wall, dust-containing air having entered from a primary inlet and a secondary inlet having a smaller opening area than the primary inlet, and separates dust from the dust-containing air. The dust separated by the swirl chamber is collected by the dust collection chambers. A discharge pipe has a discharge opening. The inlet pipe allows the dust-containing air to flow from the primary inlet into the swirl chamber. A bypass inlet is formed in the inlet pipe. The bypass inlet airflow passage allows the dust-containing air in the inlet pipe having entered from the bypass inlet to flow from the secondary inlet into the swirl chamber.

Abstract: Provided is a golf swing classification method that is capable of optimizing selection of a golf club. A golf swing classification method when a golf club hits a golf ball according to the present invention includes the steps of: acquiring acceleration in at least a single point on the golf club or in at least one point that follows the single point during the golf swing; and mapping a behavior of the golf club based on a time period from a time point when an absolute value of the acceleration is at a maximum to a time point when the golf club hits the golf ball.

Abstract: A switching loss is reduced by reducing a deviation from the operational principle of zero-volt switching (ZVS). A semiconductor integrated circuit includes high-side switch elements Q11 and Q12, a low-side switch element Q2, and a controller CNT. A decoupling capacitance Cin is coupled between one end of a high-side element and an earth potential, and the high-side element includes the first and second transistors Q11 and Q12 coupled in parallel. In changing the high-side elements from an on-state to an off-state, CNT controls Q12 from an on-state to an off-state by delaying Q12 relative to Q11. Q11 and Q12 are divided into a plurality of parts inside a semiconductor chip Chip 1, a plurality of partial first transistors formed by dividing Q11 and a plurality of partial second transistors formed by dividing Q12 are alternately arranged in an arrangement direction of Q11 and Q12, inside the semiconductor chip Chip 1.

Abstract: A piezoelectric micro-blower includes an inner case to which a peripheral portion of a vibrating plate including a piezoelectric element is fixed such that a blower chamber is defined between the inner case and the vibrating plate and an outer case arranged to cover an outer periphery of the inner case with a gap therebetween. The inner case is elastically retained in the outer case by a plurality of connecting portions. A first opening is provided in a top plate portion of the inner case that faces a central portion of the vibrating plate, and a second opening is provided in a top plate portion of the outer case that faces the first opening. A central space is provided between the top plate portions, and fluid introduced from the outside is guided to the central space through the gap between the inner and outer cases.

Abstract: In an electromagnetic fuel injection valve which is configured to absorb an unbalanced load applied to sliding portions between a fixed core and a valve stem, thereby enabling a reduction in a frictional resistance of the sliding portions, a guide bush is press fitted in an inner peripheral surface of the fixed core, the valve element includes a valve part configured to cooperate with the valve seat, and the valve stem continuously provided to the valve part and extending toward the guide bush, a sliding member configured to be slidably fitted to an inner peripheral surface of the guide bush is press fitted on the valve stem, wherein an annular gap is provided at least at one of a location between the fixed core and the guide bush and a location between the valve stem and the sliding member, within sliding regions of the guide bush and the sliding member.

Abstract: In a fuel injection valve support structure which can apply a substantially constant set load, the fuel injection valve has first and second load receiving portions, the first load receiving portion being supported on the engine, the second load receiving portion being supported on an elastic support member which receives a set load from a fuel supply cap. The elastic support member includes a base plate placed on the second load receiving portion, and an elastic piece curving rearward from one end toward the other end of the base plate, with an apex portion in pressure contact with the cap, the base plate has a portion overhanging from the second load receiving portion and supporting a tip end portion of the elastic piece. The overhang portion starts bending when a load the overhang portion receives from the cap through the elastic piece reaches or exceeds a predetermined value.

Abstract: A piezoelectric micro-blower includes an inner case to which a peripheral portion of a vibrating plate including a piezoelectric element is fixed such that a blower chamber is defined between the inner case and the vibrating plate and an outer case arranged to cover an outer periphery of the inner case with a gap therebetween. The inner case is elastically retained in the outer case by a plurality of connecting portions. A first opening is provided in a top plate portion of the inner case that faces a central portion of the vibrating plate, and a second opening is provided in a top plate portion of the outer case that faces the first opening. A central space is provided between the top plate portions, and fluid introduced from the outside is guided to the central space through the gap between the inner and outer cases. The vibrating plate is driven in a bending mode so that air is sucked into the central space and is discharged through the second opening.