| 摘要 |
05453 A b s t r a c t o f t h e D i s c 1 o s u r e Beverage Brewer with an Electric Flow-through Heater Operable in Two Power Steps In a beverage brewer having an electric flow through heater operable in two power steps, two pilot lamps (15, 18) are provided. In a first embodiment of the invention, the first and second pilot lamp (15 and 18, respectively) light up when the flow-through heater is operated at its upper and, respectively, lower power step, while in a second embodiment of the invention, the first pilot lamp (15) indicates the ON condition of the flow-through heater and the second pilot lamp (18) lights up when it is operated at its lower power step. Both embodiments of the invention have in common that the second lead (20) of the second pilot lamp (18) is dead-ended when the second switch (12) is open, and is not connected to the secondary conductor (11) until the second switch (12) closes. The invention affords the advantage of obviating the need for current-inhibiting components such as, for example, diodes, for decoupling the indicator statuses of the two pilot lamps (15, 18), which simplifies and reduces the cost of the circuit arrangement. (FIG. 3) 24 Jul 89/BH. |
