Charge forming method and apparatus

• US 3,072,390 A
• Filed: 06/18/1959
• Issued: 01/08/1963
• Est. Priority Date: 06/18/1959
• Status: Expired due to Term

• Current Assignee: Bernard C. Phillips
• Original Assignee: Bernard C. Phillips
• Inventors: Phillips, Bernard C.
• Application Number:
  US03/821,289
• Time in Patent Office: 1,300 Days
• US Class Current: 261/35
• CPC Class Codes: F02M 17/04 having fuel inlet valve controlled by diaphragm
• CPC Class Codes: Y10S 261/68 Diaphragm-controlled inlet valve

Claims

1. A CHARGE FORMING APPARATUS INCLUDING, IN COMBINATION, MEANS FORMED WITH A FUEL AND AIR MIXING PASSAGE AND A RECESS, A DIAPHRAGM FORMING WITH SAID RECESS A FUEL CHAMBER, A FUEL INLET FORMED IN THE BODY IN COMMUNICATION WITH THE CHAMBER, A VALVE FOR SAID INLET ACTUATED BY SAID DIAPHRAGM FOR CONTROLLING FLOW OF LIQUID FUEL FROM A SUPPLY INTO SAID CHAMBER, A MAIN FUEL DELIVERY SYSTEM INCLUDING A FUEL WELL FOR DELIVERING FUEL FROM THE CHAMBER THROUGH A MAIN ORIFICE INTO THE MIXING PASSAGE, A SECONDARY FUEL DELIVERY SYSTEM FOR DELIVERING FUEL TO THE MIXING PASSAGE THROUGH A SECONDARY ORIFICE FROM SAID WELL, SAID SECONDARY FUEL DELIVERY SYSTEM INCLUDING A DUCT IN COMMUNICATION WITH THE WELL ARRANGED WHEREBY FUEL FLOW THROUGH THE DUCT EFFECTS DELIVERY OF FUEL FROM THE CHAMBER INTO THE WELL, VENT MEANS FOR THE WELL, AND MEANS EFFECTIVE IN THE MAIN FUEL DELIVERY SYSTEM FOR PREVENTING AIR FLOW THERETHROUGH INTO THE FUEL WELL.