Filter construction

• US 3,088,305 A
• Filed: 03/17/1960
• Issued: 05/07/1963
• Est. Priority Date: 03/17/1960
• Status: Expired due to Term

• Current Assignee: William Ohmann
• Original Assignee: William Ohmann
• Inventors: Ohmann, William
• Application Number:
  US04/015,728
• Time in Patent Office: 1,146 Days
• US Class Current: 68/17.00R
• CPC Class Codes: D06F 39/02 Devices for adding soap or other washing agents
• CPC Class Codes: D06F 39/10 Filtering arrangements

Claims

3. A FILTER COMPRISING A HOUSING HAVING A BOTTOM WALL WITH A RELATIVELY DEEP WEELL PORTION, SAID HOUSING HAVING A SHELF FORMING AN OPENING ABOVE SAID WELL AND HAVING AN UPSTANDING WALL SURROUNDING SAID OPENINGM AN OUTLET IN SAID UPSTANDING WALL, A FILTER ELEMENT BETWEEN SAID OPENING AND SAID OUTLET, AN INLET BELOW SAID OPENING, MEANS FORMING A CHANNEL LEADING FROM SAID INLET FOR A PREDETERMINED DISTANCE AROUND THE PERIPHERY OF SAID HOUSING BELOW SAID OPENING FOR DIRECTING FLUID AROUND THE PERIPHERY OF SAID HOUSING BEFORE ITS ENTRY INTO SAID WALL A DAMPING WALL SLOPING UPWARDLY FROM SAID BOTTOM WALL IN PREDETERMINED SPACED RELATION FROM THE END OF SAID CHANNEL AND POSITIONED IN THE PATH OF FLOW FROM SAID CHANNEL TO DIRECT FLUID INTO SAID WELL WHEREBY THE FLUID CAN RISE GENTLY FROM SAID WELL THROUGH SAID OPENING AND THENCE TO SAID OUTLET.