Bubble generator and flush toilet

Patent metadata

Field	Value
Publication number	US-10435876-B2
Application number	US-201615756558-A
Country	US
Kind code	B2
Filing date	Aug 3, 2016
Priority date	Aug 31, 2015
Publication date	Oct 8, 2019
Grant date	Oct 8, 2019

Abstract

A bubble generator includes an ejector including a flow passage, a water supplier that supplies water into the flow passage, an air supplier that supplies air into the flow passage, a cleaner supplier that supplies a cleaner into the flow passage, and a bubble discharger that discharges bubbles generated by mixing the water, the air, and the cleaner; a water supply device that supplies water to the flow passage via the water supplier, and a cleaner supply device that supplies the cleaner to the flow passage via the cleaner supplier. The cleaner supplier is formed on a lower surface of the flow passage.

First claim

The invention claimed is:

1. A bubble generator, comprising:
a flow passage;
a water supplier that supplies water into the flow passage;
an air supplier that supplies air into the flow passage;
a cleaner supplier that supplies a cleaner into the flow passage;
a bubble discharger that discharges bubbles generated by mixing the water, the air, and the cleaner;
a water supply device that supplies water to the flow passage via the water supplier; and
a cleaner supply device that supplies the cleaner to the flow passage via the cleaner supplier,
wherein the cleaner supplier is formed on a lower surface of the flow passage,
the cleaner supplier is formed into a stepped shape lower than the flow passage surrounding the cleaner supplier, and
a cleaner supply port of the cleaner supply device is arranged on a bottom surface of the cleaner supplier.

2. The bubble generator of claim 1 ,
wherein the water supply device is configured to periodically flush water to the flow passage.

3. A flush toilet, comprising:
a toilet bowl part;
a bubble passage that guides bubbles toward the toilet bowl part; and

the bubble generator of claim 1 , the bubble generator provided in the bubble passage.

Assignees

• Lixil Corp

Inventors

• Shimasaki Hirokazu
• Fukuya Kouji
• Wakabayashi Masato
• Haida Shuhei
• Shimizu Koji

Classifications

• E03D9/02 Primary

  Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing (apparatus for disinfection A61L2/00; treatment of water in general C02F) · CPC title

• E03D11/02

  Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 ){; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl (parts or details of bowls E03D11/13)} · CPC title

• E03D9/005

  Devices adding disinfecting or deodorising agents to the bowl · CPC title

• E03D9/00

  Sanitary or other accessories for lavatories (hand tools for cleaning the toilet bowl A47K11/10; seats or covers for closets A47K13/00; body supports, other than seats for closets A47K17/02; devices for preventing contamination of drinking-water pipes E03C1/10 ){; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells (cleaning, disinfecting or deodorising the seat A47K13/30)} · CPC title

• B01F5/043

  Operations & Transport · mapped topic