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US 2021/0310406 A1Published application
Variable compression ratio engine
AssigneeSoon Gil JANG
InventorSoon Gil JANG
Life of this patent
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Abstract
A variable compression ratio engine is provided, which includes a connecting rod including a small end connected to a piston through a piston pin, and a big end connected to a crankshaft through a crank pin, a gear eccentric sleeve installed on at least one of the piston pin and the crank pin, and at least one rack engaged with a gear formed on an outer circumferential surface of the gear eccentric sleeve at one side thereof
Claims10
A variable compression ratio engine, comprising:
- a connecting rod including a small end connected to a piston through a piston pin, and a big end connected to a crankshaft through a crank pin;
- a gear eccentric sleeve installed on at least one of the piston pin and the crank pin;
- and
- at least one rack engaged with a gear formed on an outer circumferential surface of the gear eccentric sleeve at one side thereof
1 more element
A variable compression ratio engine, comprising:
- a connecting rod including a small end connected to a piston through a piston pin, and a big end connected to a crankshaft through a crank pin;
- a gear eccentric sleeve including a cylindrical eccentric sleeve installed on at least one of the piston pin or the crank pin, and a cylindrical concentric sleeve positioned on both ends or on one end of the eccentric sleeve and including a pinion gear formed on an outer circumferential surface thereof;
- and
- at least one rack engaging with a gear formed on the outer circumferential surface of the gear eccentric sleeve.
1 more element
A variable compression ratio engine, comprising:
- a connecting rod including a small end connected to a piston through a piston pin, and a big end connected to a crankshaft through a crank pin;
- a worm wheel eccentric sleeve including a cylindrical eccentric sleeve installed on the small end, and a concentric sleeve positioned on one end or on both ends of the eccentric sleeve and including a worm wheel installed on an outer circumferential surface;
- and
- at least one worm engaged with a worm wheel of the concentric sleeve.
1 more element
Dependencies are inferred from the claim text.