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US 2014/0202428 A1Published application
Four cycle engine carburetors
AssigneeNagesh S. Mavinahally
InventorsNagesh S. Mavinahally, Jay Veerathappa, Pushpa Nagesh Mavinahally
Life of this patent
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Abstract
Various embodiments include engine carburetors. Various embodiments provide for methods of cylinder manufacturing engines. Various embodiments provide for methods of cylinder manufacturing four-stroke engines. Various embodiments provide for methods of cylinder manufacturing two-stroke engines.
Claims9
A dual passage gaseous fuel carburetor having:
- a body (102, 2034b);
- a sliding drum (2079a) in the body (102, 2034b);
- a first passage (2581) for air-fuel mixture;
- a second passage (2194) for air only;
- a cut out (404) in the sliding drum (2079a);
- a fuel regulating needle (407) at the bottom of the sliding drum (2079a);
- at least one pressure regulating chamber (105) within the body;
- a metering (116) chamber within the body;
- and
- at least one pressure regulator, in which the pressure regulator comprises:
- an LPG inlet;
- at least one diaphragm;
- at least one needle valve (111);
- at least one arm;
- at least one pressure regulator cover with at least one vent hole in the at least one pressure regulator cover;
- and
- at least one pressure spring.
14 more elements
A dual passage gaseous fuel carburetor having:
- a body (2034b);
- a sliding drum (2079a) in the body (2034b);
- a first passage (2581) for air-fuel mixture;
- a second passage (2194) for air only;
- a third passage (404) in the sliding drum (2079a), in which the third passage (404) aligns with the second passage (2194) as the sliding drum is lifted from partial to fully open positions;
- a fuel regulating needle (407) at the bottom of the sliding valve (2079a);
- a cable/lever (2035) to operate the sliding valve;
- and
- at least one LPG inlet (110).
6 more elements
A dual passage gaseous fuel carburetor (400) having:
- a body (102);
- a first passage (480) in the body for air only;
- a second passage (180) in the body for an air-fuel mixture;
- a first butterfly valve (432) in the first passage (480);
- a second butterfly valve (162) in the second passage (180);
- a throttle shaft (584) to actuate at least one of the first and second butterfly valves;
- and
- at least one LPG inlet (110).
5 more elements
A gaseous fuel carburetor having:
- a body (102, 2034b);
- a rotary valve in the body (102, 2034b);
- a passage (180, 2581) in the body for an air-fuel mixture;
- at least one pressure regulating chamber (103) within the body;
- at least one metering chamber (116) within the body;
- at least one pressure chamber (105);
- and
- at least one pressure regulator.
5 more elements
A dual passage gaseous fuel carburetor having:
- a body (102, 2034b);
- a rotary valve in the body (102, 2034b);
- a first passage (480, 2194) in the body for air only;
- a second passage (180, 2581) in the body for an air-fuel mixture;
- at least one pressure regulating chamber (103) within the body;
- at least one metering chamber (116) within the body;
- at least one pressure chamber (105);
- a pressure regulator. and
- at least one gaseous fuel inlet (110).
6 more elements
Dependencies are inferred from the claim text.