Variable compression ratio device

A variable compression ratio device may include a piston pin having first and second plunger spaces, a plunger device including a first plunger that is disposed to reciprocate in the first plunger space, a second plunger and a connection pipe that connects between the first and second plungers, a fi...

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Bibliographische Detailangaben
Hauptverfasser:	Choi, Myungsik, Kim, Won Gyu, Hwang, Gyu Han
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PISTONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SEALINGS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A variable compression ratio device may include a piston pin having first and second plunger spaces, a plunger device including a first plunger that is disposed to reciprocate in the first plunger space, a second plunger and a connection pipe that connects between the first and second plungers, a first check valve disposed in a first check space to move oil from a pipe passage to the first check space in a first direction, a second check valve disposed in a second check space to move the oil from the pipe passage to a second check space in a second direction; and a return member elastically supporting the second plunger to one side.