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Brewing apparatus

  • US 4,612,850 A
  • Filed: 04/11/1985
  • Issued: 09/23/1986
  • Est. Priority Date: 04/16/1984
  • Status: Expired due to Fees
First Claim
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1. In a brewing apparatus including a vertically movable cylinder having an open top and open bottom, a piston mounted for reciprocation down into said cylinder, brewing liquid supply means having a discharge opening positioned to discharge brewing liquid into the open top of said cylinder, a liquid heating tank connected with said liquid supply means, a brewing cavity reciprocable horizontally between a brewing position and a rest position, said cavity being tightly engaged with the open bottom of said cylinder when disposed in said brewing position, and ground beverage material supply means having a delivery opening positioned to supply ground material into said brewing cavity when said cavity is disposed at a material supplying position, the improvement comprising second liquid supply means including a liquid supply duct having a discharge opening positioned to discharge liquid into said brewing cavity when said cavity is disposed at said material supplying position, said liquid supplying duct being connected with said liquid heating tank, and an electromagnetic valve in said duct to control the liquid supply operation of said second liquid supply means.

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