MULTI-BEVERAGE VENDING MACHINE

摘要

An instant drink vending machine is described. The instant drink vending machine has a water supply system for obtaining mixed warm water with a temperature selected among a set of pre-determined temperatures comprised between an upper and a lower value corresponding to temperatures of hot water and cold water to be mixed, said system including thermostatic shape memory alloy devices.

主权项

1. An instant drink vending machine comprising:
a water supply system comprising a connection to water mains supplying water at a first temperature, a heater supplying hot water at a second temperature higher than said first temperature and having at least two outlets controlled by valves, and at least one thermostatic shape memory alloy device having a first water inlet connected to one of said at least two outlets of the heater, a second water inlet connected to the water mains, and an outlet supplying water at a selected temperature comprised in a range between the first temperature and the second temperature.