VALVE DEVICE FOR CONTROLLING THE MOVEMENT OF SUBSTANCES ACCORDING TO PHASE STATES

摘要

PURPOSE: A valve device is provided to operate a variable valve arranged in a silencer at low price.;CONSTITUTION: A valve device(100) comprises a housing(110), a cap forming part(120), and a phase-changed substance part(130). The housing is mounted on one side of a target coupling device and comprises a second hole corresponding to a first hole of the target coupling device. The cap forming part controls the movement of a substance between the first and second holes according to a phase state of the substance while vertically moving inside the housing. The phase-changed substance part changes the phase of the substance according to the temperature of the target coupling device to vertically move the cap forming part inside the housing part.;COPYRIGHT KIPO 2013