Filter assembly sump drain flow regulator

• US 3,312,350 A
• Filed: 06/19/1964
• Issued: 04/04/1967
• Est. Priority Date: 06/19/1964
• Status: Expired due to Term

• Current Assignee: Walter Kasten
• Original Assignee: Walter Kasten
• Inventors: Kasten, Walter
• Application Number:
  US04/376,508
• Time in Patent Office: 1,019 Days
• US Class Current: 210/307
• CPC Class Codes: B01D 17/0214 with removal of one of the phases
• CPC Class Codes: B01D 17/045 with coalescers
• CPC Class Codes: B01D 17/10 with stationary filtering elements
• CPC Class Codes: B01D 35/005 Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
• CPC Class Codes: B01D 36/003 Filters in combination with devices for the removal of liquids B01D35/185 takes precedence
• CPC Class Codes: F02M 37/24 characterised by water separating means
• CPC Class Codes: F02M 37/34 by the filter structure, e.g. honeycomb, mesh or fibrous
• CPC Class Codes: F02M 37/54 characterised by air purging means having priming pumps F02M37/16
• CPC Class Codes: Y10S 210/05 Coalescer

Claims

3. A FUEL FILTER WATER SEPARATOR COMPRISING A HEAD HAVING INLET AND OUTLET PORTS, A TUBULAR MEMBER OPERATIVELY CONNECTED TO AND EXTENDING FROM SAID HEAD, SAID TUBULAR MEMBER HAVING THE INNER WALL THEREOF COMMUNICATING WITH SAID INLET PORT, A BOWL OPERATIVELY CONNECTED TO SAID HEAD, SAID BOWL HAVING A WATER SUMP PORT THEREIN, A COALESCER ELEMENT OF THE INSIDE-OUT FLOW TYPE LOCATED IN SAID BOWL AND INTERPOSED BETWEEN SAID INLET AND OUTLET PORTS FOR COALESCING WATER CONTAINED IN SAID FUEL INTO RELATIVELY LARGE DROPLETS, UPPER AND LOWER ENDCAP MEANS LOCATED AT OPPOSITE ENDS OF SAID COALESCER ELEMENT, SAID UPPER ENDCAP MEANS OF SAID COALESCER ELEMENT BEING IN SEALING ENGAGEMENT WITH SAID TUBULAR MEMBER, A SEPARATOR ELEMENT OF THE OUTSIDE-IN FLOW TYPE LOCATED DOWNSTREAM OF SAID COALESCER ELEMENT FOR PERMITTING FLOW OF FUEL THERETHROUGH TO SAID OUTLET PORT BUT PREVENTING FLOW OF SAID WATER DROPLETS THERETHROUGH, UPPER AND LOWER ENDCAP MEANS LOCATED AT OPPOSITE ENDS OF SAID SEPARATOR ELEMENT, SAID LOWER ENDCAP MEANS OF SAID SEPARATOR ELEMENT BEING IN ABUTMENT WITH SAID UPPER ENDCAP MEANS OF SAID COALESCER ELEMENT AND IN SEALING ENGAGEMENT WITH SAID TUBULAR MEMBER, SAID UPPER ENDCAP MEANS HAVING A FLANGE CONFINED BETWEEN SAID HEAD AND SAID BOWL AND IN SEALING ENGAGEMENT THEREWITH, AND FLOW REGULATOR MEANS LOCATED IN SAID BOWL AND DOWNSTREAM OF SAID COALESCER ELEMENT FOR REGULATING FLOW THROUGH SAID SUMP PORT, SAID FLOW REGULATOR MEANS COMPRISING A CASING IN ABUTMENT WITH SAID LOWER ENDCAP MEANS OF SAID COALESCER ELEMENT AND THE BOTTOM OF SAID BOWL AND HAVING INLET AND OUTLET PASSAGE MEANS, SAID INLET PASSAGE MEANS OF SAID FLOW REGULATOR MEANS INCLUDING A RESTRICTED FLOW METERING ORIFICE, AND COALESCER MEANS LOCATED WITHIN SAID CASING AND INTERPOSED BETWEEN SAID INLET AND OUTLET PASSAGE MEANS FOR DEMULSIFYING THE FUEL WATER MIXTURE WHICH IS EMULSIFIED WHILE PASSING THROUGH SAID ORIFICE.