GB726845A - Improvements relating to controlling the supply of gas to the burners of water boilers or the like - Google Patents
Improvements relating to controlling the supply of gas to the burners of water boilers or the likeInfo
- Publication number
- GB726845A GB726845A GB678853A GB678853A GB726845A GB 726845 A GB726845 A GB 726845A GB 678853 A GB678853 A GB 678853A GB 678853 A GB678853 A GB 678853A GB 726845 A GB726845 A GB 726845A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- gas
- diaphragm
- valves
- boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
726,845. Controlling gas burners. JACKSON BOILERS. Ltd., and MUSTILL, C. W. March 12, 1953, No. 6788/53. Class 75 (1). [Also in Group XXIX] Gas is supplied to the burner 2 of a water boiler through a main gas valve 5 mechanically connected to the main draw-off tap 3 of the boiler, and through a' diaphragm-operated gas valve 7 placed in parallel with the main gas valve 5. The operation of the diaphragm-operated valve 7 is effected by one or more gas valves 8, 9 each connected in series by a pipe 10 with a chamber on one side of the diaphragm of the valve 7. The valves 8, 9 are arranged in parallel to one another and the pipe 10 has an open end 11 near the b'urner 2. If any of the valves 8, 9 is open, gas flows through the pipe 10 and reduces the pressure on one side of the diaphragm, which moves to open the gas valve 7. The valves 8 are mechanically connected to side draw-off taps of the boiler, and the valve 9 is thermostatically actuated. The valves 5, 7 may be separate units arranged on opposite sides of the boiler, or as in Fig. 4, may be included in a single unit. In this, the main gas valve is a hollow plug 28 with inlet 33 and outlet 34, and an open end. When the hollow plug 28 closes the inlet port 35, a valve 31 carried by a diaphragm 30 controls the gas flow through the open end of the plug to the outlet 36. When the valves 8, 9 are closed, gas leaks through the passage 42 into the chamber 41 until the pressures on both sides of the diaphragm are equalized A spring 40 urges the diaphragm valve 31 towards its closed position, this movement being limited by the slidable engagement of a collar 37a on the diaphragm with an adjustable stud 37. When one of the valves 8, 9 opens, the pressure in the chamber 41 is reduced and the valve 31 opens. In a modification the valve 31 is above the plug 28. and is urged to close by gravity; the spring 40 is omitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB678853A GB726845A (en) | 1953-03-12 | 1953-03-12 | Improvements relating to controlling the supply of gas to the burners of water boilers or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB678853A GB726845A (en) | 1953-03-12 | 1953-03-12 | Improvements relating to controlling the supply of gas to the burners of water boilers or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB726845A true GB726845A (en) | 1955-03-23 |
Family
ID=9820768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB678853A Expired GB726845A (en) | 1953-03-12 | 1953-03-12 | Improvements relating to controlling the supply of gas to the burners of water boilers or the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB726845A (en) |
-
1953
- 1953-03-12 GB GB678853A patent/GB726845A/en not_active Expired
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