# US 9,038,205 B2 · Flush toilet

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- Number: US 9,038,205 B2
- Document ID: US9038205B2
- Status: Granted
- Kind: B2
- Application number: 14/027,302
- Filed: 2013-09-16
- Published: 2014-01-09
- Granted: 2015-05-26
- Earliest claimed: 2012-03-16
- Applicants: Guangmin Zheng
- Inventors: Guangmin Zheng
- Web page: https://patentgrep.com/patent/US9038205B2

## CPC

- E03D 5/016: with recirculation of bowl-cleaning fluid
- A47K 11/02: Dry closets, e.g. incinerator closets
- E03D 5/014: with devices for separate removal of liquids and solids
- E03D 9/10: Waste-disintegrating apparatus combined with the bowl {(special flushing devices E03D5/00)}
- Y02A 50/30: Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
- E03D: WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- A47K: SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
- Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE

## Abstract

A flush toilet including a seat; a stirring device; and a control unit. The stirring device includes a stirring chamber, a mixer, and a drain outlet. The stirring device is disposed below the seat. The stirring chamber communicates with the seat. The drain outlet is disposed at the lower part of the stirring device and communicates with the stirring chamber. A closing device is disposed on the drain outlet to control the opening and closing of the drain outlet. The mixer and a motor for driving the mixer are disposed in the stirring chamber. The control unit controls the operation of the motor.

## Claims

### Claim 1

A flush toilet, comprising:
a) a seat;
b) a stirring device, the stirring device comprising a stirring chamber, a mixer, and a drain outlet; and
c) a control unit;
wherein
the stirring device is disposed below the seat;
the stirring chamber communicates with the seat;
the drain outlet is disposed at a lower part of the stirring device and communicates with the stirring chamber;
a closing device is disposed on the drain outlet to control the opening and closing of the drain outlet;
the mixer and a motor for driving the mixer are disposed in the stirring chamber; and
the control unit controls the operation of the motor.

### Claim 2 (depends on 1)

The flush toilet of claim 1, wherein the closing device comprises a pipe having the same diameter as the drain outlet, both ends of the pipe are open, the pipe is connected to a lifting device capable of lifting the pipe, and the lifting device is controlled by the control unit.

### Claim 3 (depends on 2)

The flush toilet of claim 2, wherein the lifting device employs an electromagnetic lever structure.

### Claim 4 (depends on 1)

The flush toilet of claim 1, wherein a movable plate is disposed at an upper part of the stirring chamber, and the movable plate is connected to a pulling device which is controlled by the control unit.

### Claim 5 (depends on 4)

The flush toilet of claim 4, wherein the movable plate comprises a reset spring.

### Claim 6 (depends on 1)

The flush toilet of claim 1, wherein the mixer comprises at least one rotor wheel, and each rotor wheel is connected to one motor.

### Claim 7 (depends on 1)

The flush toilet of claim 1, wherein the control unit employs a programmable control unit.

### Claim 8 (depends on 1)

The flush toilet of claim 1, further comprising a rotary channel structure comprising a channel pipe and a drive gear which is controlled by the control unit, and an upper part of the channel pipe is connected to a lower part of the seat.

### Claim 9 (depends on 8)

The flush toilet of claim 8, wherein an openable lower end plate controlled by the control unit is disposed at a lower part of the channel pipe, and an openable upper end plate controlled by the control unit is disposed at an upper part of the channel pipe.

### Claim 10 (depends on 1)

The flush toilet of claim 1, wherein a filtration and collection device for urine is disposed at one side of the stirring device, and the filtration and collection device for urine is connected to a flush device via pipelines to flush the flush toilet.

### Claim 11 (depends on 1)

The flush toilet of claim 1, further comprising a drying device.

### Claim 12 (depends on 1)

The flush toilet of claim 1, further comprising a movable cover.