Dual-fuel engines and processes of operating same

• US 2,767,691 A
• Filed: 02/07/1955
• Issued: 10/23/1956
• Est. Priority Date: 02/07/1955
• Status: Expired due to Term

• Current Assignee: Lloyd B. Grantham, Richard A. Mengelkamp
• Original Assignee: Lloyd B. Grantham, Richard A. Mengelkamp
• Inventors: Mengelkamp, Richard A., Grantham, Lloyd B.
• Application Number:
  US03/486,512
• Time in Patent Office: 624 Days
• US Class Current: 123/1.00R
• CPC Class Codes: F02B 2075/027 four
• CPC Class Codes: F02B 2201/066 Gas and gas
• CPC Class Codes: F02B 25/04 Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
• 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: F02B 7/00 Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00
• CPC Class Codes: F02D 19/061 by controlling fuel injectors
• CPC Class Codes: F02D 19/0647 the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
• CPC Class Codes: F02D 19/0684 High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems
• CPC Class Codes: F02D 19/0689 for in-cylinder direct injection
• CPC Class Codes: F02D 19/0692 Arrangement of multiple injectors per combustion chamber
• CPC Class Codes: F02D 19/10 peculiar to compression-ignition engines in which the main fuel is gaseous
• CPC Class Codes: F02M 21/0287 characterised by the transition from liquid to gaseous phase F02M21/06 takes precedence; Injection in liquid phase; Cooling and low temperature storage
• CPC Class Codes: Y02T 10/30 Use of alternative fuels, e.g. biofuels

Claims