Patent ID: 9732642
Date: 2017-08-15
CPC Classifications: F01L,F02D

Claim:
1. An apparatus for resetting an engine brake to be able to exhibit a braking force by opening an exhaust valve at the close of a compression stroke of an engine to prevent combustion, comprising: a housing configured to be introduced with pressurized oil from the engine brake and to discharge the oil to the outside depending on an operation of a rocker arm of the engine brake; a check plate configured to be elastically supported within an inside of the housing to control oil introduced into the housing; a piston configured to be accommodated in the check plate and slide when the inside of the housing is filled with oil to discharge the oil; and a reset pin configured to be elevatably installed at one side of the housing to form a passage through which the oil is discharged from the housing to the outside, wherein when a pressure of the engine brake is increased, the oil is introduced into the housing and one end of the rocker arm operates the reset pin to discharge the oil so as to reset the oil pressure, wherein the piston is formed so that an upper diameter is smaller than a lower diameter, and wherein a circumference of an upper end of the piston is provided with protrusions at a predetermined interval, the protrusions supporting the circumference of the upper end of the piston to an inner side of the housing.