Patent ID: 9664121
Date: 2017-05-30
CPC Classifications: F02D

Claim:
1. A vehicle having an exhaust cam non connection engine brake as an auxiliary brake, comprising: a variable valve system mounted at a cylinder head of an engine and including an exhaust cam, an exhaust rocker arm, an intake valve, an exhaust valve, a cam cap, and a cam shaft to vary an opening time between the exhaust valve and the intake valve for each engine RPM; an exhaust cam non connection engine brake which converts a low pressure oil to a high pressure oil to supply the high pressure oil toward the exhaust rocker arm so that the exhaust rocker arm presses the exhaust valve by the high pressure oil when an engine brake signal is applied; and an electronic control unit (ECU) controlling the variable valve system and having an compression top dead center electric signal application map for an engine brake operation and release control.