Patent ID: 6257201
Filing Date: 2001-07-10
Classification: F01L,F02D

Abstract:
An exhaust brake incorporated with an internal combustion engine, comprising:an exhaust rocker arm actuated by an exhaust cam for operating an exhaust valve;a brake rocker arm actuated by a brake cam;a first contacting unit held by either one of said exhaust and brake rocker arms;a second contacting unit held by the other of said exhaust and brake rocker arms, said second contacting unit being contactable with said first contacting unit when an exhaust braking is needed; anda coupling structure which, only when the brake rocker arm is actuated by said brake cam upon need of the exhaust braking, induces the contact between said second and first contacting units to provide an integral action of said exhaust and brake rocker arms thereby to actuate the exhaust valve for establishing the exhaust braking.