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(11) Patent Number: KE 90
(45) Date of grant: 11/03/2005

(12) PATENT
(51)Int.Cl.6: F 24H 1/18
 (21) Application Number: 1998/000256

 (22) Filling Date: 13/11/1998
(54) Title: WATER HEATING RECEPTACLE (KUNI BOILER)
(57) Abstract:The water boiling receptacle has a water jacket, which holds water, with an inlet plug fitted on the boiling unit and an outlet plug which removes the already boiled water through the water cylinder.
The process continues until water to the boiling unit is stopped, or fire is extinguished. The receptacle has a chimney, which emits smoke, which is directed upwards.
TITLE: WATER HEATING RECEPTECLE (KUNI BOILER).

DESCREPTION.
We Sembhi enterprises limited of P.O Box 212.Nyeri Kenya, are the inventor of a water heating receptacle for which we pray letters of patent be granted.
Boiling of water has been the major task of man for a long time. Most of the boiling is done by many different means and ways e.g. Electrical heating of water, traditional camp fire heating, fuel heating, and solar heating, which becomes uneconomical for man.
The present system is a water boiler which uses firewood which is often available everywhere be it in town or in ruler areas. It is easy to install and carry for it is made in different sizes according to users wish.
The system comprises of a storage tank which contains cold water which flows into the water cylinder and then into the water boiler through the inlet plug where the water is heated by the help of the firewood which is placed under it. After the water reaches the boiling point, the water flows out through the outlet plug, back into the water cylinder, and then out of the tap, for use.
The water boiler receptacle whose construction is by welding two metal sheets of different sizes, which are shaped half-round are attached together with 2 inches round bar pieces in between the sheets and which are welded together to help the sheets not to expand during heating process. The space created by the two sheets holds water, which is to be heated.
NOTE:That the sheets are designed as semi-circles (seediagram) and under the space
left is where the firewood is placed. The size varies according to the consumer's usage.
When firewood is lit, the water starts getting hot and as it reaches boiling point, the water starts rising upwards and flows out of the outlet plug into the water cylinder, thereby allowing the cold water in the inlet pipe to enter the water jacket and the process repeats itself until the water flowing into the boiler is shut off or the fire is extinguished.
 
DETAILED DESCRIPTION OF WATER BOILER
The water boiler is assembled together by attaching Mild steel plates of different sizes, in this case 160 metal sheets on top of a 14G metal sheet plate on the bottom, and both held together by several 2 inches round bar pieces, fixed at intervals to prevent the sheets from expansion during the heating process. On one end of the boiler, a plate is welded to shut the gap created by the plates, and this plate carries on down until the end of the sheets.
The space created in between the two plates, known as a water jacket in our drawing is where the water is held for heating. On the other end, the gap is shut by fabricating and shaping the metal sheet to the size created by the gap. Eventually a space will be created for firewood to be placed under the boiler' by curving the metal sheets in a semi-circle shape. On top of the boiler will be a chimney for emitting smoke.
On one side of the boiler will be fitted two plugs, one allowing cold water to enter and the other allowing hot water to flow out.
 
ABSTRACT
The water boiling receptacle has a water jacket, which holds water, with an inlet plug fitted on the boiling unit and an outlet plug which removes the already boiled water through the water cylinder.
The process continues until water to the boiling unit is stopped, or fire is extinguished. The receptacle has a chimney, which emits smoke, which is directed upwards.
 CLAIMS
1. A method of making a water heating receptacle which uses firewood as ornamentally designed and shown in the diagram.
2. A method according to claim No. 1 where the heating unit is designed on a semicircle way, to enable firewood to be placed under it.
3. A method according to claim No. 1 and 2 where the unit has two metal sheets welded together, leaving a space for water circulation.
4. A method according to claim No. I and 3 where the metal sheets are welded together by using round bars to hold the sheets together.

 

 

 

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