GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...
Pickup Truck Talk + SUV on MSN
New GM cylinder deactivation patent filing fixes reliability woes?– Coming for next-gen V8 engines
A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...
Guessing Headlights on MSN
Patent alert: GM is cooking up a smarter V-8 that saves fuel without killing the fun
GM files a patent for advanced cylinder deactivation, aiming to make V-8 engines much more efficient without sacrificing ...
AutoGuide on MSN
GM Working To Rethink Cylinder Deactivation Technology
General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...
Cummins Valvetrain Technologies reports positive results from further on-road testing of its Jacobs cylinder deactivation (CDA) technology. CDA for diesel engines is a new powertrain technology.
How does cylinder deactivation work? When not needed, the system shuts down fuel supply to the cylinders not being used and closes the valves. There are two ways to accomplish this: 1) rocker arm ...
Eaton announced its Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles ...
We share the real reason why modern engines are failing in cars from Toyota, GM, Hyundai, Kia, and Nissan.We cover the major ...
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