| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive beverage feeder having a low possibility of causing a trouble such as a failure. <P>SOLUTION: This beverage feeder 1 for feeding coffee drink, which is extracted by feeding hot water to ground coffee beans fed to an extractor 24, is provided with a vane pump 12 forcedly sending drinking water, an orifice 14 adjusting the drinking water forcedly sent by the vane pump 12 to a prescribed flow rate and sending it, a heat exchange pipe 15 passing and preheating the drinking water adjusted to the prescribed flow rate, a heating unit 16 heating the drinking water preheated by the heat exchange pipe 15 to hot water of a prescribed temperature, and a hot water supply valve 17 opening a valve and supplying the hot water heated to the prescribed temperature to the extractor 24. A pressure regulating valve 13 circulating the drinking water from the outlet 12b to the inlet 12a when the drinking water to be forcedly sent by the vane pump 12 increases more than the predetermined flow rate and enlarges a sending pressure, is provided between a drinking water outlet 12b and an inlet 12a of the vane pump 12. <P>COPYRIGHT: (C)2007,JPO&INPIT |
