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US 2014/0123931 A1Published application
Half crank engine
OwnerNagesh Siddabasappa Mavinahallyinventor
Life of this patent
Estimating the term…
Abstract
Various embodiments include a two-stroke engine having mist lubrication system, particularly for use with portable all attitude two-stroke engines using gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, butane, and liquid fuel.
Claims6
An internal combustion engine comprising (350):
- a cylinder (2012) and a cylinder bore (14);
- a crankshaft (22) having a counter weight (21);
- an outboard shaft (222);
- a piston (2016) connected to the crankshaft (22) through a connecting rod (18) and a crankpin 20;
- at least one transfer port (33);
- at least one intake port 84;
- at least one exhaust port 50;
- a crankcase chamber (26) intermittently connected to the combustion chamber (30);
- a combustion chamber (30);
- an oil sump (1250) attached to the engine (250);
- at least one exhaust port (50);
- at least one oil slinger (1234b);
- at least one oil line (803b′) connecting the oil sump (1250) to the crankcase chamber 26;
- a crankcase wall 28b;
- an oil seal 1848 separating the oil sump 1250 and the starter cavity 1858;
- an oil sump cover 28c;
- a starter reel 1850;
- and
- a starter shaft 1823.
16 more elements
An internal combustion engine comprising (250):
- a cylinder (2012) and a cylinder bore (14);
- a crankshaft (22) having a counter weight (21);
- an outboard shaft (222);
- a piston (2016) connected to the crankshaft (22) through a connecting rod (18) and a crankpin 20;
- at least one transfer port (33);
- at least one intake port 84;
- at least one exhaust port 50;
- a crankcase chamber (26) intermittently connected to the combustion chamber (30);
- a combustion chamber (30);
- an oil sump (1250) attached to the engine (250);
- at least one exhaust port (50);
- gaseous fuel tank (850)
- at least one oil slinger (1234b);
- and
- at least one oil tube (803b) connecting the oil reservoir (1250) to the crankcase chamber 26;
12 more elements
Dependencies are inferred from the claim text.