A method and a system are described for a compression release brake in an engine comprising an exhaust manifold connected to a turbine provided with a variable turbine geometry wherein said turbine is further connected to a back pressure valve for controll...

A linear control valve (28) is disclosed regulating the flow of fluid to hydraulically activated devices, preferably a fuel injector (24) and an engine compression release brake (26). The valve (28) includes a valve member (29) that is moveable between a f...