Fuel control system for internal combustion engines

• US 3,100,478 A
• Filed: 10/27/1961
• Issued: 08/13/1963
• Est. Priority Date: 10/27/1961
• Status: Expired due to Term

• Current Assignee: William R. Crooks
• Original Assignee: William R. Crooks
• Inventors: Crooks, William R.
• Application Number:
  US04/148,187
• Time in Patent Office: 655 Days
• US Class Current: 123/21
• CPC Class Codes: F02B 2075/025 two
• CPC Class Codes: F02B 2710/026 with measures for improving combustion
• CPC Class Codes: F02B 43/00 Engines characterised by operating on gaseous fuels; Plants including such engines engines characterised by the gas-air charge being ignited by compression ignition of an additional fuel F02B7/06; engines convertible from gas to other fuel consumption F02B69/04
• CPC Class Codes: F02D 19/024 by controlling fuel injectors
• CPC Class Codes: F02M 21/0251 Details of actuators therefor
• CPC Class Codes: F02M 21/0269 Outwardly opening valves, e.g. poppet valves
• CPC Class Codes: F02M 21/0275 for in-cylinder direct injection, e.g. injector combined with spark plug
• CPC Class Codes: Y02T 10/12 Improving ICE efficiencies
• CPC Class Codes: Y02T 10/30 Use of alternative fuels, e.g. biofuels

Claims

1. IN AN INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF CYLINDERS IN WHICH FUEL IS BURNED, A PISTON FOR EACH CYLINDER, A CRANKSHAFT TO WHICH THE PISTONS ARE ROTATABLY CONNECTED, A FUEL LINE FOR EACH CYLINDER TO SUPPLY FUEL THERETO, A FUEL VALVE IN EACH OF SAID FUEL LINES FOR CONTROLLING THE FLOW OF FUEL THERETHROUGH, THE IMPROVEMENT COMPRISING A FUEL CONTROL SYSTEM FOR REDUCING FUEL CONSUMPTION WHEN THE ENGINE IS OPERATING AT LESS THAN FULL LOAD, SAID SYSTEM INCLUDING CONTROL VALVE MEANS FOR EACH OF SAID FUEL VALVES FOR OPENING SAID FUEL VALVES, SAID CONTROL VALVE MEANS INCLUDING PUSH ROD MEANS SYNCHRONIZED WITH MOVEMENT OF ITS CORRESPONDING PISTON, MEANS HAVING A FIRST POSITION RESPONSIVE TO SAID PUSH ROD MEANS AND A SECOND POSITION INDEPENDENT OF SAID PUSH ROD MEANS, MEANS FOR OPENING THE FUEL VALVE WHEN SAID TWO-POSITION MEANS IS IN THE SECOND POSITION AND THE PISTON IS IN A PREDETERMINED POSITION, AND MEANS RESPONSIVE TO FUEL FLOW TO SAID CYLINDERS FOR MOVING SAID TWO-POSITION MEANS FROM ITS FIRST POSITION TO ITS SECOND POSITION WHEN THE FUEL FLOW EXCEEDS A PREDETERMINED AMOUNT.