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| Number | Title | Issue Date |
| 7350508 | Advance arrangements An advance arrangement for use in controlling timing of fuel delivery by a fuel pump for use in an engine comprises an advance piston (12) which is slidable within a first bore (14) and which cooperates, in use, with a cam arrangement of a fuel pump to... | 04/01/2008 |
| 7267326 | Automatic priming system An automatic priming system for internal combustion engines, which is operable to prime the carburetor of the engine at engine cranking speeds, and is automatically disabled after the engine starts. The automatic priming system is driven by pressure fluctuations wit... | 09/11/2007 |
| 7263981 | Controlling evaporative emissions in a fuel system Methods and fuel systems to reduce evaporative emissions of a volatile fuel. A fuel tank contains fuel, a carburetor mixes air with the fuel from the fuel tank, and a plurality of fluid paths route fuel amongst and/or between the fuel tank and the carburetor. A valv... | 09/04/2007 |
| 7128309 | Automatic choke system for carburetor An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the temperature sensing section. Temperature sensing section includes: a bottomed c... | 10/31/2006 |
| 6915772 | Automatic priming system An automatic priming system for internal combustion engines, which is operable at engine cranking speeds and which is automatically disabled at engine running speeds. The automatic priming system is driven by pressure fluctuations within the engine crankcase which a... | 07/12/2005 |
| 6895914 | Automatic engine priming system for rotary mowers A priming system for the carburetor of a small internal combustion engine which is used with a lawnmower, for example, in which the priming system is remotely actuated. The priming system includes a priming feature for supplying an amount of liquid fuel to the carbu... | 05/24/2005 |
| 6651601 | Control strategy for improving cold cranking, starting, and warm-up of an engine having a variable valve actuation mechanism A control (30) embodies an operating strategy (50) to facilitate engine cranking and starting via control of timing of cylinder intake (18) and exhaust (24) valve opening using a variable valve actuation mechanism (26). Prior to fueling any cylinder (16),... | 11/25/2003 |
| 6508217 | Starting fuel supplying apparatus for engine A starting fuel supplying apparatus improves restarting performance of an engine in a warm-up state. In the engine in which a carburetor is disposed on the side of the cylinder, the starting fuel supplying apparatus and a thermo-sensitive member attached ... | 01/21/2003 |
| 5803035 | Carburetor with primer lockout A carburetor prevents priming of a combustion engine under certain operating conditions. The carburetor includes a body member having a wall portion defining an orifice extending through the body member, a fuel nozzle positioned through the wall portion a... | 09/08/1998 |
| 5367996 | Microprocessor-based diesel engine cold start controller A cold start control apparatus for diesel engines includes a cold start switch, engine temperature and speed sensors and a transistor all connected to a programmable controller. The transistor is connected in a series circuit with a cold start relay and t... | 11/29/1994 |
| 5220895 | Method and system for modifying a control signal for a fuel injector of a fuel delivery system A method and system are provided for modifying a control signal of a fuel injector of a fuel delivery system wherein at least one shut-down temperature signal representing the temperature of an internal combustion engine is utilized together with other in... | 06/22/1993 |
| 5048477 | Fuel supply system for an engine This fuel supply is characterized in that a starting pump 49 for supplying the fuel in a fuel tank 25 by suction to a starting nozzle port 41, is driven by a fuel motor 53. Starting of the engine is executed by the use of a starting motor or a recoil star... | 09/17/1991 |
| 4911116 | Cold-start apparatus and cold-start method A cold-start apparatus for alcohol-fueled internal combustion engines in which a certain quantity of gasoline is injected directly into the combustion chambers upon starting. To assure reliable start-up of the engine with the aid of gasoline, and beyond a... | 03/27/1990 |
| 4905641 | Cold-start engine priming and air purging system A fuel delivery system for purging air from the reservoir of a diaphragm carburetor on an internal combustion engine and for supplying priming fuel to the carburetor air intake. A pump is responsive to electrical signals from priming control circuitry to ... | 03/06/1990 |
| 4848290 | Cold-start engine priming and air purging system A fuel delivery system for purging air from the reservoir of a diaphragm carburetor on an internal combustion engine and for supplying priming fuel to the carburetor air intake. A pump is responsive to electrical signals from priming control circuitry to ... | 07/18/1989 |
| 4671225 | Timed priming system with temperature override The two cycle engine has a combustion chamber supplied with primary fuel for normal operation. An electrically operated priming system delivers fuel in addition to the primary fuel. A control regulates energization of the priming system. A momentary switc... | 06/09/1987 |
| 3960131 | Internal combustion engine starting system A starting system for use with an internal combustion engine is shown utilizing a container of compressed volatile fluid to be injected into the engine upon starting. The fluid is delivered from the container through the actuation of a solenoid that subse... | 06/01/1976 |
