Toto Ltd.

Kiyotake Ukigai

Katsuya Nagata

Minoru Sato

Yutaka Aihara

Minami Okamoto

Shuhei Hayata

Takahiro Ohashi

Yuya Otowa

Shoko Uemoto

Shunichi Nakamichi

Kanako Isono

Masateru Miyazaki

Koji Takeda

Kei Watanabe

Yasufumi Uemura

Nao Tanizaki

Hiroshi Nishijima

Ryohei Yaita

Shunji Yoshino

Shumpei Mio

A flush toilet deodorizing device includes an intake port part forming an intake port intaking air; an exhaust port part forming an exhaust port exhausting deodorized air; a fan device provided in a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow; a water deodorizing part provided in the deodorizing air channel, the water deodorizing part using water to deodorize a suctioned air; and an oxidation catalyst provided in the deodorizing air channel.

Flush toilet deodorizing device

A toilet space deodorizing device includes an intake part forming an intake port; an exhaust part forming an exhaust port; a fan device intaking air through the intake port; a water deodorizing part provided inside a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow, the water deodorizing part using water to deodorize the suctioned air; a water supply part supplying water to the water deodorizing part; and a drainage part forming a drainage port, the drainage port draining water from the water deodorizing part into a drainage receptacle. The drainage port is positioned between the water deodorizing part and the water supply part. The water supply part supplies the water to the water deodorizing part via the drainage port.

Toilet space deodorizing device and sanitary washing device

A toilet space deodorizing device includes an intake port part forming an intake port, an exhaust port part forming an exhaust port, a fan device, a water collecting part provided inside a deodorizing air channel, a water supply part supplying water to the water collecting part, a drainage part forming a drainage port, a negative pressure generation device forming a negative pressure in the water collecting part, and a controller controlling a driving of the negative pressure generation device. The controller dries the negative pressure generation device to generate a negative pressure. The water supplied from the water supply part is collected in the water collecting part due to air flowing into the water collecting part and pushing on the water supplied from the water supply part by the negative pressure.

Provided is a water discharge device for spraying water having transparency throughout a long distance. The present invention is a water discharge device () that sprays the supplied water, and includes a water discharge device body (), a rectifying chamber () which is provided in the water discharge device body, a plurality of rectifying members () that are disposed at intervals in the rectifying chamber and includes a number of fine holes (), so that water sequentially passes through the plurality of rectifying members, a water spray member () provided with spray nozzles () for discharging the water passing through these rectifying members, and an air bubble discharge flow path () that is formed so that air bubbles present among the rectifying members bypass at least one of the rectifying members to reach the water spray member, and has a larger flow path sectional area than the fine holes.

Water discharge device

The present invention is a spout apparatus (), including: a shower head main body (), and an oscillation inducing element () for discharging water while allowing it to oscillate reciprocally, wherein the oscillation inducing element includes: a water supply passageway (), a water collision portion () for generating vortexes of alternately mutually opposing circulations; a vortex street passageway () for guiding and growing vortexes formed by the water collision portion; a discharge passageway () for causing water guided by the vortex street passageway to be discharged; a bypass passageway () for allowing water to detour the water collision portion and flow into the vortex street passageway; and a flow volume ratio adjusting member (), capable of varying the flow volume ratio of water flowing into the vortex street passageway through the water collision portion to water flowing into the vortex street passageway through the bypass passageway.

Spout apparatus causing reciprocal oscillations

The present invention is a spout apparatus including: a spout forming member configured to form a spout; a flow-guiding member provided inside the spout forming member, configured to guide water on an upstream side of the spout; an exposed flow-guiding member provided inside the spout forming member and on a spout side of the flow-guiding member, and exposed on a spout side of the exposed flow-guiding member; and a water channel configured to supply the water to an upstream side of the flow-guiding member. The exposed flow-guiding member and/or the spout forming member are configured to spout water from an outer periphery as an annular stream, among the water spouted from the spout. According to the above spout apparatus, the flow-guiding member can be effectively protected, and high guiding characteristics can be achieved in particular at an outer periphery of the spout.

Spout apparatus

To provide a spout apparatus which is easily maintainable by a user even when, in a fluid device utilizing Karman vortices, scale adheres to the Karman vortex generating portion. A spout apparatus for discharging hot or cold water while causing it to reciprocally oscillate, having a spout apparatus body and an oscillating element; whereby the oscillating element has a water supply passage, a vortex generating passage, and a spout port passage; the spout port passage is formed of an elastically deformable soft member and is attached to the spout apparatus body so that a user can manipulate the spout port passage to deform it; and the vortex generating passage is formed of an elastically deformable soft member, and is integrally formed with the spout port passage so that deformations of the spout port passage can be transmitted to this vortex generating passage.

The present invention is a spout apparatus () for discharging water, including a spouting apparatus main body () and an oscillation inducing element () for discharging water with reciprocating motion; wherein the oscillation inducing element has: a water supply passageway (); a water colliding portion () for generating vortexes of mutually opposing circulations at the downstream side thereof by the collision of hot or cold water; a vortex street passageway () having a tapered part, placed on the downstream side of the water supply passageway, which narrows in flow path cross section toward the downstream side; a separating portion () for suppressing the Coanda effect acting on the flow of water along the wall surface of a vortex street passageway; and a flow-aligning passageway () having an essentially fixed flow path cross section which aligns the flow of hot or cold water which has passed through the separating portion.

To provide a spout apparatus whereby expansion and deformation of the inner wall surface of the vortex generating portion such that a desired Karman vortex cannot be generated are prevented, even when the port portion is formed of an elastically deformable soft member. A spout apparatus for discharging hot or cold water with reciprocal motion, having a spout apparatus body and a vortex generating passage; whereby the oscillating element has a supply passage, a vortex generating passage, and a spout port passage, and the spout port passage is formed by an elastically deformable soft member, and is attached to the spout apparatus body so that a user can manipulate and deform the spout port passage, and the vortex generating passage is formed so as not to expand and deform even if internal pressure rises due to the supply of hot or cold water from the supply passage.

Spouting apparatus

In this shower apparatus, a part of an internal space thereof closer to the outer circumference thereof than an aeration unit is defined as a plurality of small spaces, and all of the small spaces have a uniform channel resistance, and all of the small spaces have a uniform ratio between a channel cross-sectional area at an inlet portion of each of the small spaces and a total opening area of nozzle holes that communicate the small space with an external space such that backflow water CF that returns from the respective small spaces consistently has a uniform flow rate at any point in time among the streams of the backflow water CF.

Shower apparatus

In this shower apparatus, a part of an internal space thereof closer to the outer circumference thereof than an aeration unit is defined as a plurality of small spaces, and all of the small spaces have a uniform channel resistance.

Provided is a shower apparatus which can stably supply bubbly water through all nozzle holes and can cause water droplets of large, uniform size to land continuously on the user so as to allow the user to enjoy a shower with a voluminous feel as if the user were being showered by large drops of rain. The shower apparatus includes a water supply unit, a throttle unit adapted to eject passing water downstream, an aeration unit adapted to produce bubbly water by aerating the water ejected through the throttle unit, and a nozzle unit provided with a plurality of nozzle holes used to discharge the bubbly water, wherein the throttle unit has a flat-shaped throttle channel and water ejected through the throttle channel plunges into an air-liquid interface as a sheet-like stream, thereby producing bubbly water, which is then discharged through the nozzle hole.

A shower apparatus Fincludes a water supply unit; a throttle unitinstalled downstream of the water supply unitand adapted to eject passing water downstream; an aeration unitprovided with an openingadapted to produce bubbly water by aerating the water ejected through the throttle unit; and a nozzle unitprovided with a plurality of nozzle holesadapted to discharge the bubbly water, wherein a virtual water ejection straight line obtained by extending an ejection direction of the water ejected through the throttle unitreaches a location where the nozzle holesare formed, without interfering with inner walls of the aeration unitand the nozzle unit

Provided is a shower apparatus which can stably produce and supply bubbly water to nozzle holes, causing finely divided water droplets of relatively large, uniform size to land continuously on a user so as to allow the user to enjoy a shower with a voluminous feel as if the user were being showered by large drops of rain. The shower apparatus includes a water supply unit, a throttle unit adapted to eject passing water downstream, an aeration unit adapted to produce bubbly water by aerating the water ejected through the throttle unit, and a nozzle unit provided with a plurality of nozzle holes used to discharge the bubbly water, wherein an ejection speed changing means is installed in the water supply unit to at least partially vary ejection speeds of the water ejected from respective throttle channels of the plurality of throttle channels of the throttle unit.

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Kitakyushu, Japan

Kiyotake Ukigai