US8276548B2 - Low Cost Tankless Portable Water Heater - Google Patents > 자유게시판

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5 to 10 gallons of scorching water with restoration instances starting from 30 to 60 minutes. Burner apparatus together with a burner, is disposed in an operative relationship with the heat exchanger for heating water flowing via the heat exchanger. An electronic direct spark ignition board and a Gas Regulator with an routinely managed Dual Solenoid shut-off valve are provided for working the burner apparatus based on the requirements of the ANSI Z21.10.3 security normal. BTU ranges at totally different water circulation rates. This feature is achieved using a low value steel disc thermostat to immediately activate the Dual BTU valve with out the need of an expensive microprocessor management. It is a mandatory security feature also known as a Limit Switch. A further security function is achieved by incorporating a Relay and a steel disc thermostat on the exhaust housing that trigger the induced draft blower to stay operating after every burn till the exhaust housing reaches a low temperature, thus eliminating thermal stress on the heat exchanger and exhaust components.

FIG. 3 is a perspective view of the alpha heater portable proven in FIGS. FIG. 4 is one other perspective view of the buy alpha heater shown in FIGS. FIG. 5 is a functional diagram of the official Alpha Heater site shown in FIGS. 10 in accordance with the current invention features a sealed housing 14 , official Alpha Heater site fabricated from any suitable materials corresponding to steel, which incorporates an air inlet 18 and a flue outlet 22 . 26 features a plenum 30 with surround tubing 34 related to a chilly-water inlet 36 and official Alpha Heater site a hot water outlet 38 . As shown in FIG. 2 , the cold-water inlet 36 and hot water outlet 38 prolong exterior of the sealed housing 14 . Burner apparatus forty two features a burner forty four which is disposed in an operative relationship with the heat exchanger 26 for heating water flowing by way of the tubing 34 . Seventy four additionally displays the flame of the burner forty four verifying the presence of ionization at the location of a spark igniter 76 and promptly shuts off the fuel flow by the use of the dual solenoid valves 54 .

Forty four , regulator forty eight , and solenoid valves fifty four are conventional and can be found from several home and foreign suppliers to be used in traditional gasoline appliances. BZB02A0502 with Dual BTU choice. An exhaust system 58 together with a blower 60 with blower motor Alpha Heater official site sixty two , blower relay sixty four , ignition relay 66 , and time delay swap 68 (See FIG. 5 ), official Alpha Heater site is provided for inducing draft of air from the air inlet 18 by way of the heat exchanger 26 and out of the flue outlet 22 . This drastically enhances the effectivity of the burner 44 heat exchanger 26 , and as hereinbefore famous, gives the performance benefits regarding condensation materials stressing and wind resistance. Seventy four with a spark igniter 76 which may be of any permitted typical design certified by an appropriate agency (i.e. CSA, Alpha Heater portable UL or different), is provided for working the burner apparatus forty two and the exhaust system fifty eight .

Eighty is provided in the new water line to provide stress relief in case of overheating in the recent water line 38 in a traditional manner. Eighty four is disposed in the outlet scorching water line 38 and official Alpha Heater site a solenoid valve 86 , connected to both the anti-freeze thermostat swap 84 and outlet hot water line 38 , gives for drawing water from the new water outlet line 38 upon receipt of the signal from the anti-freeze thermostatic switch which is configured for offering a signal at a preselected temperature. Such anti-freezing thermostatic switches can be found from Thermo-Disc, Klixon, Cantherm and other authorized suppliers. 86 is disposed exterior the housing 14 and diverts water via a drain line 90 to the atmosphere or to a recycle tank (not proven). Ninety to the setting or to a recycle tank (not shown). Ninety four interconnected with the ignition board for igniting the burner 44 and heating water to a selected temperature at which the temperature freeze swap closes the solenoid valve.

98 could also be disposed in the outlet sizzling water line 36 and is interconnected with the ignition board and the solenoid valves 54 to control the burner operation to a decrease of the two BTU levels at a chosen water temperature, for instance 45° C. At this temperature, the burner at a lower BTU offered diminished water heating to take care of a fascinating output water temperature in the recent water outlet 38 and faucet 102 . "flow switch" 94 which, in flip, activates the "ignition relay" 66 that applies power to the system. After a successful ignition, Alpha Heater blog the system will immediately begin supplying scorching water. At normal (less than 60 F) the output water temperature begins rising significantly whenever the movement is diminished to under 1 gal/min. This is not unusual in an RV where the water supply may be small when "dry camping" using a storage tank. If the temperature exceeds a hundred and twenty F the t-mod swap 98 opens; this causes the twin BTU valve to cut back the gasoline stream and the water temperature decreases.