Water discharge device

Patent metadata

Field	Value
Publication number	US-2025075476-A1
Application number	US-202418811142-A
Country	US
Kind code	A1
Filing date	Aug 21, 2024
Priority date	Aug 29, 2023
Publication date	Mar 6, 2025
Grant date	—

Abstract

Object:To provide a shower device suitable for use during a midday break by setting a temperature of discharged hot water reaching (landing in) a part corresponding to a user's neck (in particular, a back middle portion of the neck) to a relatively low temperature and setting a temperature of discharged hot water reaching (landing in) other areas of the user to a relatively high temperature. Resolution means:A water discharge device according to the present invention includes a first water discharge unit configured to discharge hot water toward a first discharge range corresponding to a neck of a user who is to be at a predetermined position, and a second water discharge unit configured to discharge hot water toward a second discharge range to the user below the first discharge range, wherein a temperature of the hot water when the hot water reaches the user after having been discharged from the first water discharge unit is lower than a temperature of the hot water when the hot water reaches the user after having been discharged from the second water discharge unit.

First claim

1 . A water discharge device comprising:
a first water discharge unit configured to discharge hot water toward a first discharge range corresponding to a neck of a user who is to be at a predetermined position; and a second water discharge unit configured to discharge hot water toward a second discharge range to the user below the first discharge range, wherein a temperature of the hot water when the hot water reaches the user after having been discharged from the first water discharge unit is lower than a temperature of the hot water when the hot water reaches the user after having been discharged from the second water discharge unit.

2 . The water discharge device according to claim 1 , wherein
the first discharge range is configured to be variably set to accommodate a height of the user.

3 . The water discharge device according to claim 1 , wherein
the first water discharge unit and the second water discharge unit are disposed facing each other with the predetermined position being located between the first water discharge unit and the second water discharge unit.

4 . The water discharge device according to claim 1 , wherein
the first water discharge unit and the second water discharge unit are configured to discharge hot water such that the hot water is spread out.

5 . The water discharge device according to claim 1 , wherein
an angle formed by a discharge center direction of the first water discharge unit with respect to a vertical direction is larger than an angle formed by a discharge center direction of the second water discharge unit with respect to the vertical direction.

6 . The water discharge device according to claim 1 , wherein
the second water discharge unit is configured to discharge the hot water toward a front side, a left side and a right side of the user.

7 . The water discharge device according to claim 1 , further comprising:
an operation unit configured to perform an operational input to the first water discharge unit and/or the second water discharge unit, wherein the first water discharge unit and the operation unit are disposed facing each other with the predetermined position being located between the first water discharge unit and the operation unit.

8 . The water discharge device according to claim 1 , further comprising:
a mixing valve connected to a cold water supply pipe and a hot water supply pipe to generate the hot water; a first flow channel portion connecting the mixing valve and the first water discharge unit; and a second flow channel portion connecting the mixing valve and the second water discharge unit, wherein a particle size of the hot water discharged from the first water discharge unit after having been flown through the first flow channel portion is smaller than a particle size of the hot water discharged from the second water discharge unit after having been flown through the second flow channel portion.

9 . The water discharge device according to claim 1 , further comprising:
a mixing valve connected to a cold water supply pipe and a hot water supply pipe to generate the hot water; a first flow channel portion connecting the mixing valve and the first water discharge unit; and a second flow channel portion connecting the mixing valve and the second water discharge unit, wherein the first flow channel portion and the second flow channel portion branch off from a branch portion provided downstream of the mixing valve, a particle size of the hot water discharged from the second water discharge unit after having been flown through the second flow channel portion is larger than a particle size of the hot water discharged from the first water discharge unit after having been flown through the first flow channel portion, and a length of the second flow channel portion is longer than a length of the first flow channel portion.

10 . The water discharge device according to claim 1 , further comprising:
a mixing valve connected to a cold water supply pipe and a hot water supply pipe to generate the hot water; a first flow channel portion connecting the mixing valve and the first water discharge unit; and a second flow channel portion connecting the mixing valve and the second water discharge unit, wherein the first flow channel portion and the second flow channel portion branch off from a branch portion provided downstream of the mixing valve, a flow velocity of the hot water discharged from the second water discharge unit after having been flown through the second flow channel portion is slower than a flow velocity of the hot water discharged from the first water discharge unit after having been flown through the first flow channel portion, and a length of the second flow channel portion is longer than a length of the first flow channel portion.

11 . The water discharge device according to claim 1 , further comprising:
a mixing valve connected to a cold water supply pipe and a hot water supply pipe to generate the hot water; a first flow channel portion connecting the mixing valve and the first water discharge unit; a second flow channel portion connecting the mixing valve and the second water discharge unit; and a temperature lowering device provided to actively lower a temperature of the hot water discharged from the first water discharge unit after having been flown through the first flow channel portion, wherein the first flow channel portion and the second flow channel portion branch off from a branch portion provided downstream of the mixing valve, and a length of the second flow channel portion is longer than a length of the first flow channel portion.

12 . The water discharge device according to claim 8 , wherein
the first water discharge unit is configured to discharge the hot water in a mist form.

13 . The water discharge device according to claim 8 , wherein
a plurality of the second water discharge units are provided, and one or a plurality of second branch portions are provided between the plurality of second water discharge units and the branch portion.

Assignees

• Toto Ltd

Inventors

• Tanaka Tsugumi
• Yaita Ryohei

Classifications

• A47K3/28 Primary

  Showers {or bathing douches} (combined with baths A47K3/20) · CPC title

• E03C1/044

  having a heating or cooling apparatus in the supply line (water heaters, e.g. with continuous flow, F24H) · CPC title

• E03C1/0408

  Water installations especially for showers (E03C1/06 takes precedence; shower heads B05B1/18) · CPC title

• E03C1/041 Primary

  having provisions against scalding, e.g. temperature limiting devices, external covers · CPC title

• B05B1/06 Primary

  in annular, tubular or hollow conical form · CPC title