US1839392A - Water heater - Google Patents

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Publication number
US1839392A
US1839392A US416385A US41638529A US1839392A US 1839392 A US1839392 A US 1839392A US 416385 A US416385 A US 416385A US 41638529 A US41638529 A US 41638529A US 1839392 A US1839392 A US 1839392A
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United States
Prior art keywords
water
burner
reservoir
unit
coil
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Expired - Lifetime
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US416385A
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Herbert S Humphrey
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RUUD Manufacturing CO
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RUUD Manufacturing CO
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/16—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled
    • F24H1/165—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel

Definitions

  • Fig. 2 is a detail view mainly in section of one of the thermostatic control valve units.
  • FIG. 1 represents the coil of a furnace or main heater, this being shown conventionally.
  • This heater is connected by the pipes 2 and 3 to a tank or reservoir 4 so that the water is circulated p through this reservoir.
  • 5 indicates the water supply and 6 the hot water discharge pipe or system.
  • a gas burner 8 Above the burner is a coil heater unit 9, the bottom coil of which is connected to the water inlet 5 and the top coil is connected by the pipe 10 to the bottom of the reservoir 4.
  • a second heater unit 11 is arranged within the casing above the coil 9, the top coil of the unit 11 being connected by the pipe 12 to the top of the tank 4. The bottom coil of the unit 11 is connected to the discharge 6.
  • the gas supply pipe 13 has a pair of thermostat control valve units 14 and 15 arranged therein in series. These units being duplicates only one is illustrated.
  • the valve is shown at 17.
  • the thermostat unit 14 is operatively associated with the hot water discharge while the unit 15 is operatively associated with the cold water inlet-.
  • This th :mostat valve mechanism is substantially that shown in my Patent No. 1,590,516 dated June 29, 1926, and in general comprises a tubular element 18 arranged within the water pipe, either the cold water inlet or hot water discharge. Within this element 18 is a. rod 19 which engages the lever 20 adapted to operate on a lever 21 having a finger 22 engaging the rocker 23.
  • This rocker 23 is mounted on a pivot 24 and carries a pair of springs 25 acting on the thrust blocks 26 engaging the lever 27 which acts upon the valve.
  • the thrust blocks are shifted to opposite sides of the pivot for the lever and actuate the valve with a snap action, that is, the valve is either fully opened or fully closed.
  • the first control valve is normally open while the second valve is normally closed, the second valve being opened, however, by the incoming cold water.
  • the first control valve In the event the temperature of the discharge water exceeds a predetermined degree, the first control valve is closed and remains closed until the temperature of the outgoing water falls below such predetermined oint.
  • a pilot 28 is provided for the burner.
  • My improved water heating apparatus is highly efficient and is not likely to get out of repair.
  • the auxiliary heater remains in- Operative as the supply of gas to the burner is cut ofi by the main heater and it comes into operation only as the water drawn ofl. falls below the desired temperature.
  • My improved water heating apparatus is of large capacity and highly efiicient. I have illustrated certain parts in conventional form as the structural details thereof do not constitute a part of this invention.- It, is believed, however, that this disclosure will enable those skilled in the art to embody or ada t my improvements as may be desired.
  • a water heater the combination with a burner, of a reservoir, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water coil units arranged in su rimposed relation, the bottom coil of the ttom unit being provided with a cold water inlet, its top coil being connected to the bottom of said reservoir, the top of said reservoir being connected to the top of the top coil unit the bottom coil of the top unit being provided with a hot water discharge, said burner being in operative relation with said second heating unit, a pair of control valves for said ing adapted to open and close their respective valves with a snap action.
  • a water heater the combination with a burner, of a reservoir, a water heating unit havin a circulating connection therewith, a secong water heating unit comprising a plurality of water coil units arran ed in superimposed relation, the bottom coilof the bottom unit being provided with a cold water inlet, its top coil "being connected to the bottom of said reservoir, the top of said reservoir being connected to the top of the top coil unit, the bottom 'coil of thetop unit being provided with a hot water discharge, said burner being in operative relation with said second heating unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve.
  • a water heating unit having a circulating connection therewith, a second water heating means including a burner, a plurality of water heating units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a cold water inletthe other unit being connected to the top of said reservoir and provided with a hot water discharge, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve, said thermostats beopen and close their respective valves with a snap action.
  • a water heater the combination with a reservoir, a water heating unit having a circulating connection therewith, a second wa-' ter heating means-including a burner, a plurality of water heating 'units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot Water discharge, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve.
  • a heating means including a burner, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water heating units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a 'cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot water discharge, said burnerbeing in operative rlationwith said second heating unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold Water inlet and operatively associated with the second control valve, said thermostats being adapted to open and close their respective valves with a snap action.
  • a heating means including a burner, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water heating units operatively associated with said burner, one of'said units being connected to the bottom of said reservoir and provided with a cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot water dischar e, said burner being in operative relation with said second jheatlng unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operativel associated with the second control hand.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Description

1932- H. s. HUMP'HREY WATER HEATER.
Filed Dec. 26, 1929' [1V VENTOR Patented Jan. 5, 1932 UNITED STATES PATENT OFFICE HERBERT S. HUMPHBEY, OF KALAMAZOO, MICHIGAN, ASSIGNOB TO BUUD WAC- TUBING COMPANY, OF KALAMAZOO, MICHIGAN I WATER HEATER Appfication filed December 26, 1929. Serial No. 416,385.
The main object of this invention is to provide an improved water heater adapted for use in connection 'with furnace coils or the like, which is highly efficient, the water heater remaining inoperative in the event the water is sufiiciently heated by the furnace coil or main heater.
Objects pertaining to details and economies of m invention will definitely appear from the escription to follow. The invention is defined in the claims.
A structure which embodies the features of my invention is clearly illustrated in the accompanying drawings, in which Fig. 1 is a fragmentary side elevation of a heating apparatus embodying my invention.
Fig. 2 is a detail view mainly in section of one of the thermostatic control valve units.
In the embodiment illustrated 1 represents the coil of a furnace or main heater, this being shown conventionally. This heater is connected by the pipes 2 and 3 to a tank or reservoir 4 so that the water is circulated p through this reservoir. 5 indicates the water supply and 6 the hot water discharge pipe or system.
I provide an auailiary heater consisting of a casing 7 indicated by dotted lines in Fig.
1' within which I mount a gas burner 8. Above the burner is a coil heater unit 9, the bottom coil of which is connected to the water inlet 5 and the top coil is connected by the pipe 10 to the bottom of the reservoir 4. A second heater unit 11 is arranged within the casing above the coil 9, the top coil of the unit 11 being connected by the pipe 12 to the top of the tank 4. The bottom coil of the unit 11 is connected to the discharge 6.
The gas supply pipe 13 has a pair of thermostat control valve units 14 and 15 arranged therein in series. These units being duplicates only one is illustrated. The valve is shown at 17.
The thermostat unit 14 is operatively associated with the hot water discharge while the unit 15 is operatively associated with the cold water inlet-. This th :mostat valve mechanism is substantially that shown in my Patent No. 1,590,516 dated June 29, 1926, and in general comprises a tubular element 18 arranged within the water pipe, either the cold water inlet or hot water discharge. Within this element 18 is a. rod 19 which engages the lever 20 adapted to operate on a lever 21 having a finger 22 engaging the rocker 23. This rocker 23 is mounted on a pivot 24 and carries a pair of springs 25 acting on the thrust blocks 26 engaging the lever 27 which acts upon the valve.
Therefore, as the rocker is rocked the thrust blocks are shifted to opposite sides of the pivot for the lever and actuate the valve with a snap action, that is, the valve is either fully opened or fully closed. The first control valve is normally open while the second valve is normally closed, the second valve being opened, however, by the incoming cold water.
In the event the temperature of the discharge water exceeds a predetermined degree, the first control valve is closed and remains closed until the temperature of the outgoing water falls below such predetermined oint.
A pilot 28 is provided for the burner.
My improved water heating apparatus is highly efficient and is not likely to get out of repair. In the event that the temperature of the water is maintained by the main heating apparatus, the auxiliary heater remains in- Operative as the supply of gas to the burner is cut ofi by the main heater and it comes into operation only as the water drawn ofl. falls below the desired temperature.
My improved water heating apparatus is of large capacity and highly efiicient. I have illustrated certain parts in conventional form as the structural details thereof do not constitute a part of this invention.- It, is believed, however, that this disclosure will enable those skilled in the art to embody or ada t my improvements as may be desired.
aving thus described my invention what I claim as new and desire to secure by Letters Patent is: p
1. In a water heater, the combination with a burner, of a reservoir, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water coil units arranged in su rimposed relation, the bottom coil of the ttom unit being provided with a cold water inlet, its top coil being connected to the bottom of said reservoir, the top of said reservoir being connected to the top of the top coil unit the bottom coil of the top unit being provided with a hot water discharge, said burner being in operative relation with said second heating unit, a pair of control valves for said ing adapted to open and close their respective valves with a snap action.
- ing adapted to 2. In a water heater, the combination with a burner, of a reservoir, a water heating unit havin a circulating connection therewith, a secong water heating unit comprising a plurality of water coil units arran ed in superimposed relation, the bottom coilof the bottom unit being provided with a cold water inlet, its top coil "being connected to the bottom of said reservoir, the top of said reservoir being connected to the top of the top coil unit, the bottom 'coil of thetop unit being provided with a hot water discharge, said burner being in operative relation with said second heating unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve.
3. In a water heater, the combination with a reservoir, a water heating unit having a circulating connection therewith, a second water heating means including a burner, a plurality of water heating units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a cold water inletthe other unit being connected to the top of said reservoir and provided with a hot water discharge, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve, said thermostats beopen and close their respective valves with a snap action.
4. In a water heater, the combination with a reservoir, a water heating unit having a circulating connection therewith, a second wa-' ter heating means-including a burner, a plurality of water heating 'units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot Water discharge, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operatively associated with the second control valve.
5. In a water heater, the combination with a reservoir, a heating means including a burner, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water heating units operatively associated with said burner, one of said units being connected to the bottom of said reservoir and provided with a 'cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot water discharge, said burnerbeing in operative rlationwith said second heating unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold Water inlet and operatively associated with the second control valve, said thermostats being adapted to open and close their respective valves with a snap action.
6. In a water heater, the combination with a reservoir, a heating means including a burner, a water heating unit having a circulating connection therewith, a second water heating unit comprising a plurality of water heating units operatively associated with said burner, one of'said units being connected to the bottom of said reservoir and provided with a cold water inlet, the other unit being connected to the top of said reservoir and provided with a hot water dischar e, said burner being in operative relation with said second jheatlng unit, a pair of control valves for said burner arranged in series, a thermostat subject to the hot water discharge and operatively associated with the first control valve, and a second thermostat subject to the cold water inlet and operativel associated with the second control hand.
HERBERT S. HUMPHREY.
US416385A 1929-12-26 1929-12-26 Water heater Expired - Lifetime US1839392A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474401A (en) * 1947-10-29 1949-06-28 E L Mustee And Sons Inc Fluid heater
US3452720A (en) * 1966-11-07 1969-07-01 Hooker Chemical Corp Heat storage heat exchanger
US3830221A (en) * 1972-05-31 1974-08-20 Raytheon Co Oil heater protection system
US20140054015A1 (en) * 2011-05-10 2014-02-27 Alfred Kärcher Gmbh & Co. Kg Heat exchanger and method for its manufacture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474401A (en) * 1947-10-29 1949-06-28 E L Mustee And Sons Inc Fluid heater
US3452720A (en) * 1966-11-07 1969-07-01 Hooker Chemical Corp Heat storage heat exchanger
US3830221A (en) * 1972-05-31 1974-08-20 Raytheon Co Oil heater protection system
US20140054015A1 (en) * 2011-05-10 2014-02-27 Alfred Kärcher Gmbh & Co. Kg Heat exchanger and method for its manufacture
US9841244B2 (en) * 2011-05-10 2017-12-12 Alfred Kärcher Gmbh & Co. Kg Heat exchanger and method for its manufacture

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