GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

Mercedes-Benz has been granted a patent for an internal combustion engine that includes a crankshaft, camshaft, cylinder, piston, gas exchange valve, valve clearance compensation device, and a control ...

BRP. has been granted a patent for an engine assembly featuring an internal combustion engine and a dual-path exhaust system. This system includes a catalytic converter, main muffler, hydrocarbon trap ...

Cambridge-based Camcon Technology has gained a European patent for its Intelligent Valve Actuation (IVA) technology which allows electrical operation of internal combustion engine valves without ...

Performance is all about pushing the envelope. As camshafts become more aggressive in the search for more power, these lobes make life increasingly difficult for valvesprings. This may seem like a ...

While the newly redesigned 2022 Subaru BRZ is currently enjoying the limelight, we want to take the opportunity to revisit a story concerning its predecessor. Avid readers will likely remember the ...

We're always on the lookout for new stuff, so when information on Comp Cams dual conical valve springs came across our desk, we were eager to take a look. Comp introduced these dual conical springs in ...

Obviously, these valve-control-related issues, associated with insufficient valvespring pressure, are the reason why camshaft manufacturers offer valvespring upgrades. The obvious answer might seem to ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...