Air Inlet Arrangement for Ice Cream or Yogurt Machine

An air inlet arrangement for an ice cream machine or yogurt machine, comprising:

• an air-solution tube supported in a solution container which is adapted for storing a predetermined volume of solution at a predetermined fluid elevation, wherein said air-solution tube has an elongated structure defining a top end, a bottom end, and a process channel between said top end and said bottom end, wherein said air-solution tube has a height greater than said fluid elevation of said solution container, wherein a volume of said air-solution tube is such that said air-solution tube is arranged to contain less than a regular serving of said solution, wherein said air-solution tube has a solution inlet provided thereon for allowing said solution to enter said process channel through said solution inlet;
• and
• an air nozzle provided at said top end of said air-solution tube for allowing air to be sucked into said process channel through said air nozzle, wherein said air and said solution is arranged to be sucked into said process channel and then discharged out of said air-solution tube through said bottom end thereof.