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Patent
LIXIL Corporation | Date: 2016-10-17

A method for removing odors produced in a toilet main unit of a toilet is made available. Specifically, a deodorizing unit having an air expulsion port and an air suctioning port is provided in a rear portion of the toilet main unit, and air is circulated by expelling air through the expulsion port such as to laterally swirl the air along an inner surface of the toilets bowl, and by suctioning swirled returning air via the suctioning port. Deodorization is carried out in the course of circulating the air.


Patent
LIXIL Corporation | Date: 2016-11-29

A water discharge device comprising a water discharge member formed with a slit-like discharge port and a discharge path, wherein the discharge path is formed with a reservoir chamber for holding, as reserve water, water flowing into the discharge path from its upstream side, and is formed with a constricting flow path that sends forth the reserve water in the reservoir chamber to the discharge port, and lateral surfaces on either side of the discharge path in its width direction are formed such that a path width of the discharge path spreads as approaching its discharge port side from its reservoir chamber side, and is formed such that the angle formed by an imaginary line paralleling the width direction of the discharge port and, on the lateral surfaces, a tangent line passing over the discharge ports opening rim is greater than or equal to 45 and less than 90.


Patent
LIXIL Corporation | Date: 2017-02-22

A method for removing odors produced in a toilet main unit 2 of a toilet 1 is made available. Specifically, a deodorizing unit 22 having an air expulsion port 46 and an air suctioning port 56 is provided in a rear portion of the toilet main unit 2, and air is circulated by expelling air through the expulsion port 46 such as to laterally swirl the air along an inner surface of the toilets bowl 15, and by suctioning swirled returning air via the suctioning port 56. Deodorization is carried out in the course of circulating the air.


Patent
LIXIL Corporation | Date: 2016-08-10

An automatic water faucet includes: a water faucet; an imaging unit 26 provided in a water discharge port of the water faucet and that images light reflected from a measure-distance target; a distance measurement unit 32 that measures a distance from the imaging unit 26 to the measure-distance target based on image data captured by the imaging unit 26; a threshold setting unit 35 that sets a threshold for distance; a detection unit 34 that detects the measure-distance target as a detection object if the distance that the distance measurement unit 32 measures is shorter than the threshold set by the threshold setting unit 35; and a water supply control unit 33 that causes the water faucet to discharge water in response to the detection unit 34 detecting a detection object and causes the water faucet to stop supplying water in response to the detection unit 34 not detecting a detection object. The threshold setting unit 35 increases the threshold setting in response to the detection unit 34 detecting a detection object.


Patent
Lixil Corporation | Date: 2015-11-04

A human body detection sensor 1 includes: a detection decision unit 324 that decides whether a state is a detection state or a non-detection state of a detection target; a specular reflection decision unit 322 that decides whether or not reflected light that is incident onto a line sensor 261 is specularly-reflected light; and a continuation decision unit 323 that decides whether or not a state in which the detection target exists is ongoing, wherein, when specularly-reflected light is detected while a determination is made indicating the detection state, the detection decision unit 324 keeps the result of a determination indicating the detection state without change if the result of the decision by the continuation decision unit 323 indicates that the state is ongoing and changes the determination to a determination indicating the non-detection state if the result of the decision shows any other states.


Patent
LIXIL Corporation | Date: 2015-02-11

The flush toilet bowl includes: a toilet bowl portion; a toilet drainage channel; a toilet bowl main body that includes: a first water discharge port that discharges a first cleaning water that forms a swirling flow; and a second water discharge port that discharges a second cleaning water that is joined, on the downstream side of the first cleaning water flowing on the surface of the toilet bowl portion, by the first cleaning water and forms a downward flow toward the toilet drainage channel; and a toilet bowl cleaning device that supplies the first and second cleaning water, wherein by the time the first cleaning water reaches a merging point where the first cleaning water joins the second cleaning water that forms the downward flow, the second cleaning water has been increased to a set flow rate.


Patent
LIXIL Corporation | Date: 2015-12-02

A pulse shower device including a water dispersion plate and an impeller is provided. The water dispersion plate includes an inner surface and an outer surface, and a plurality of shower holes that are provided from the inner surface to the outer surface. The impeller includes shower hole blocking portions that are formed over a predetermined circumferential length along the inner surface in a downstream portion of the inner surface of the water dispersion plate, and cover the plurality of shower holes; shower hole opening portions that open toward the inner surface; a plurality of vanes; an inner peripheral portion; and an outer peripheral portion. The impeller is provided on an upstream portion of the inner surface of the water dispersion plate, and rotates around an axis due to a water stream hitting the vanes.


Patent
LIXIL Corporation | Date: 2016-04-13

A person-detecting sensor 1 includes: a range-finding unit 321 that decides whether distance to a detection object falls within a predetermined detection distance range; and a specular reflection decision unit 322 that decides whether reflected light is specularly-reflected light. The specular reflection decision unit 322 performs a threshold determination regarding the count of pixels or the proportion of pixels exhibiting a received-light quantity of a predetermined proportion or greater with respect to the maximum received-light quantity among received-light quantities from the reflected light and decides that the reflected light is specularly-reflected light when the count of the pixels or the proportion of the pixels is a predetermined threshold or less.


Patent
Lixil Corporation | Date: 2015-07-15

A flush toilet bowl capable of efficiently performing toilet bowl cleaning is provided. The flush toilet bowl includes : a toilet bowl portion (11); a toilet drainage channel (12); a toilet bowl main body that includes: a first water discharge port (13) that is open on the upper periphery of the toilet bowl portion (11) and that discharges cleaning water that forms a swirling flow swirling inside the toilet bowl portion (11) in the planar view; and a second water discharge port (12) that is open on the upper periphery of the toilet bowl portion (11) and discharges cleaning water that is joined, on the downstream side of the cleaning water discharged from the first water discharge port (13) and flowing on the surface of the toilet bowl portion (11), by the cleaning water discharged from the first water discharge port (13) and forms a downward flow toward the toilet drainage channel (12); and a toilet bowl cleaning device (20) that supplies cleaning water to the first water discharge port (13) and the second water discharge port (14), wherein by the time the cleaning water discharged from the first water discharge port (13) flows on the surface of the toilet bowl portion (11) and reaches a merging point (Z) where the cleaning water discharged from the first water discharge port (13) joins the cleaning water discharged from the second water discharge port (14) that forms the downward flow, the cleaning water discharged from the second water discharge port (14) has been increased to a set flow rate.


Patent
Lixil Corporation | Date: 2016-04-13

A person-detecting sensor device 1 includes: a range-finding unit 321 that decides whether a distance to a detection object falls within a predetermined detection distance range; a received-light quantity decision unit 322 that decides whether a received-light quantity is equal to or greater than a predetermined received-light quantity threshold; and a continuation decision unit 323 that decides whether a state of the detection object being present is ongoing. In the received-light quantity decision unit 322, after water discharge is started upon the detection determination unit 323 determinating a detection object to be under detection state, for a period during which the continuation decision unit decides the state in which the detection object being present is ongoing, the received-light quantity threshold is set to be lower than prior to when the water discharge is started.

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