Abstract: A frozen sushi pack includes: a container; and a plurality of sushi pieces arranged in the container. Each of the sushi pieces includes: a shari rice base; and a neta topping. Using a water content per unit volume ranging from 55% to 65% as a reference value, the sushi pieces in the container are classified into: first sushi pieces of a first group in which the neta topping contains a water content below the reference value; and second sushi pieces of a second group in which the neta topping contains a water content equal to the reference value or above.

Abstract: A propeller fan includes a boss hub portion and a blade including a front edge portion, a rear edge portion, and an outer edge portion. The outer edge portion has a front outer edge portion, a rear outer edge portion, and a connection portion connecting the front outer edge portion and the rear outer edge portion to each other. In a plan view of the blade along a central axis, a maximum radius R1max of the outer edge portion in a portion corresponding to the front outer edge portion and a maximum radius R2max of the outer edge portion in a portion corresponding to the rear outer edge portion satisfy a condition of R1max>R2max. With such a construction, a propeller fan which generates wind less in pressure fluctuation and is capable of sending comfortable wind and achieving lowering in noise is provided.

Abstract: A blade of a propeller fan includes a blade root portion, a front edge portion, a blade tip end portion, a rear edge portion, a blade rear edge portion, and an outer edge portion. A blade surface of the blade has an inner region including the blade root portion, an outer region including the blade rear end portion, and a coupling portion extending from a front end portion located close to the blade tip end portion to a rear end portion located close to the rear edge portion and coupling the inner region and the outer region to each other such that a side of a positive pressure surface of the blade surface is projecting and a side of a negative pressure surface of the blade surface is recessed.

Abstract: A stirring member rotating around an axis of rotation in a direction of rotation together with a rotor and stirring a stirred object accommodated in an inner pot includes a stirring portion, a cross-sectional shape of the stirring portion in a cross-section orthogonal to the axis of rotation has a front end portion located foremost in the direction of rotation, and when a virtual circle centered at the axis of rotation and passing through the front end portion is drawn, a tangential straight line in the front end portion of a centerline of the cross-sectional shape is directed inward in a direction of radius of rotation on a forward side of the direction of rotation with respect to a tangent in the front end portion of the virtual circle.

Abstract: A blade of a propeller fan includes a blade root portion, a front edge portion, a blade tip end portion, a rear edge portion, a blade rear edge portion, and an outer edge portion. A blade surface of the blade has an inner region including the blade root portion, an outer region including the blade rear end portion, and a coupling portion extending from a front end portion located close to the blade tip end portion to a rear end portion located close to the rear edge portion and coupling the inner region and the outer region to each other such that a side of a positive pressure surface of the blade surface is projecting and a side of a negative pressure surface of the blade surface is recessed.

Abstract: A fan includes a plurality of blade portions arranged spaced apart from each other in a circumferential direction, each blade portion having a blade surface including a pressure surface disposed on a rotational direction side of the fan and a suction surface disposed on a back side of the pressure surface. The plurality of blade portions include a first blade portion and a second blade portion different from each other in at least one of an outer peripheral blade tip angle and an inner peripheral blade tip angle, and are provided such that a discrepancy angle is equal among a plurality of the blade portion.

Abstract: A fan includes a plurality of blade portions arranged spaced apart from each other in a circumferential direction, each blade portion having a blade surface including a pressure surface disposed on a rotational direction side of the fan and a suction surface disposed on a back side of said pressure surface. The plurality of the blade portions include a first blade portion and a second blade portion in which when they are rotated around the rotation axis of the fan and overlapped on one blade portion, one of an inner edge portion and an outer edge portion is disposed to be coincident with each other, and the other of the inner edge portion and the outer edge portion is disposed to be displaced from each other.

Abstract: A blade of a propeller fan includes a blade root portion, a front edge portion, a blade tip end portion, a rear edge portion, a blade rear edge portion, and an outer edge portion. A blade surface of the blade has an inner region including the blade root portion, an outer region including the blade rear end portion, and a coupling portion extending from a front end portion located close to the blade tip end portion to a rear end portion located close to the rear edge portion and coupling the inner region and the outer region to each other such that a side of a positive pressure surface of the blade surface is projecting and a side of a negative pressure surface of the blade surface is recessed.

Abstract: A propeller fan includes a boss hub portion and a blade including a front edge portion, a rear edge portion, and an outer edge portion. The outer edge portion has a front outer edge portion, a rear outer edge portion, and a connection portion connecting the front outer edge portion and the rear outer edge portion to each other. In a plan view of the blade along a central axis, a maximum radius R1max of the outer edge portion in a portion corresponding to the front outer edge portion and a maximum radius R2max of the outer edge portion in a portion corresponding to the rear outer edge portion satisfy a condition of R1max>R2max. With such a construction, a propeller fan which generates wind less in pressure fluctuation and is capable of sending comfortable wind and achieving lowering in noise is provided.

Abstract: A cross-flow fan includes a plurality of fan blades provided to be circumferentially spaced apart from each other. The fan blade has an inner edge portion arranged on the radially inner side to/from which air flows in/out, and an outer edge portion arranged on the radially outer side to/from which air flows in/out. Fan blade has a blade surface extending between the inner edge portion and the outer edge portion. The blade surface includes a pressure surface arranged on the rotation direction side of the cross-flow fan and a suction surface arranged on the back side of the pressure surface. When cut along a plane orthogonal to the rotation axis of the cross-flow fan, the fan blade has a blade cross-sectional shape in which a concave portion concave from the pressure surface is formed.

Abstract: A propeller fan includes a boss hub portion and a blade including a front edge portion, a rear edge portion, and an outer edge portion. The outer edge portion has a front outer edge portion, a rear outer edge portion, and a connection portion connecting the front outer edge portion and the rear outer edge portion to each other. In a plan view of the blade along a central axis, a maximum radius R1max of the outer edge portion in a portion corresponding to the front outer edge portion and a maximum radius R2max of the outer edge portion in a portion corresponding to the rear outer edge portion satisfy a condition of R1max>R2max. With such a construction, a propeller fan which generates wind less in pressure fluctuation and is capable of sending comfortable wind and achieving lowering in noise is provided.

Abstract: A fine particle diffusion device includes: a first outlet (10a to 10c) through which a first air current is discharged to a space above a living space within a living room; a second outlet (10d) which is arranged below the first outlet (10a to 10c) and through which a second air current is discharged to a space below the first air current; and a fine particle generation device (17) which generates fine particles. Here, the fine particles generated by the fine particle generation device (17) are discharged into the living room, and the concentration of the fine particles discharged through the first outlet (10a to 10c) is lower than the concentration of the fine particles discharged through the second outlet (10d).

Abstract: An operation noise control method for an air conditioner includes: a step (S1) of detecting an operation mode of the air conditioner; a step (S2) of operating an air flow guide panel (20) in accordance with the detected operation mode and controlling the air flow guide panel (20) so as to form a duct-like outlet passage (10) in a vicinity of an outlet (5); a step (S3) of selecting a sound wave which is preset in accordance with the operation mode; and a step (S4) of radiating the selected sound wave in the duct-like outlet passage (10) from a speaker (21).

Abstract: A centrifugal fan includes a plurality of fan blades circumferentially spaced apart from each other. The fan blade has a front edge portion to which air flows in a rear edge portion from which air flows out, and a blade surface extending between the front and rear edge portions. The blade surface includes a pressure surface on the rotation direction side of the centrifugal fan and a suction surface arranged on the back side of the pressure surface. The fan blade has a cross-sectional shape with concave portions formed at the pressure surface and the suction surface. Such a fan has an excellent blowing capacity. A molding die for use in production of the centrifugal fan, and a fluid feeder provided with the centrifugal fan are disclosed.

Abstract: A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion and constituted of a positive pressure surface and a negative pressure surface is formed. The fan blade has such a blade cross-sectional shape that a large-thickness portion at which a thickness between the positive pressure surface and the negative pressure surface is greatest is arranged closer to the inner edge portion. A recess recessed in the blade surface is formed at a position closer to the inner edge portion where the large-thickness portion is arranged, than to the outer edge portion.

Abstract: A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion is formed. As the fan rotates, an air flow which flows between the inner edge portion and the outer edge portion is generated over the blade surface. The fan blade has such a blade cross-sectional shape that a recess is formed in the blade surface. The recess is arranged at a position closer to the outer edge portion than to the inner edge portion and formed to extend from one end to the other end of the fan blade in a direction of a rotation axis of the fan.

Abstract: Disclosed is a cross-flow fan where an inner diameter (d) and an outer diameter (D) of a fan blade meet the relationship expressed by 0.55?d/D?0.95. In cross-flow fan, (N) representing number of fan blades, a chord length (L) and outer diameter (D) of fan blades, and (M) representing number of blade wheels meet the relationships expressed by of 0.6?L/(?D/N)?2.8 and 0.15??D/(N×M)?3.77. A plurality of blade wheels are stacked on each other in a manner that a displacement angle (?) is generated within the range of (1.2×360°/(N×M))???(360°/N) between adjacent blade wheels. The displacement angle (?) is set so that the overlapping number of fan blades having an equal installation angle is at most 5% of N×M representing a total number of fan blades. The present invention can provide a cross-flow fan that can succeed in noise reduction, a molding die used to produce the cross-flow fan, and a fluid feeder equipped with the cross-flow fan.

Abstract: In an air conditioner, an air flow guide panel (20) and a speaker (21) are provided in a vicinity of an outlet (5). The air flow guide panel (20) is operable to form a duct-like outlet passage (10) in the vicinity of the outlet (5), and, in the duct-like outlet passage (10), a speaker (21) radiates a sound wave for canceling out operation noise including blower sound of a fan (7).

Abstract: A fan includes a plurality of blade portions arranged spaced apart from each other in a circumferential direction, each blade portion having a blade surface including a pressure surface disposed on a rotational direction side of the fan and a suction surface disposed on a back side of said pressure surface. The plurality of the blade portions include a first blade portion and a second blade portion in which when they are rotated around the rotation axis of the fan and overlapped on one blade portion, one of an inner edge portion and an outer edge portion is disposed to be coincident with each other, and the other of the inner edge portion and the outer edge portion is disposed to be displaced from each other.

Abstract: A fan includes a plurality of blade portions arranged spaced apart from each other in a circumferential direction, each blade portion having a blade surface including a pressure surface disposed on a rotational direction side of the fan and a suction surface disposed on a back side of the pressure surface. The plurality of blade portions include a first blade portion and a second blade portion different from each other in at least one of an outer peripheral blade tip angle and an inner peripheral blade tip angle, and are provided such that a discrepancy angle is equal among a plurality of the blade portion.