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A Fixed Pitch Continuously Variable Transmission (FPCVT) assembly with two FPCVT units connected in series. Independent inventor Ken Hawthorn has been issued a US patent (Patent# 7,713,154) on a Fixed Pitch Continuously Variable Transmission (FPCVT) designed for higher torque applications. Source: Ken Hawthorn. Click to enlarge.
At the North American Commercial Vehicle Show (NACV) in Atlanta this week, Bosch is showcasing its portfolio of automated, connected and electrified technologies for commercial vehicles. The Bosch Central Gateway (CGW) enables secure connectivity in commercial vehicles. Powertrain concepts. Thermal management.
liter X4V2 prototype was originally designed for an aviation application. Revetec has prototyped 6 different versions of Revetec enginedesigns over the last 10 years. The latest version, the X4V2, was designed as a development engine for the aviation industry, and in early 2008 it was independently tested by Orbital Australia.
The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders. The engine has two crossover passages that connect the two cylinders, which separate the four strokes of the pistons. a more efficient internal combustion engine. Earlier post.).
The car can change between a rear engine-pack (red) and a larger battery-pack (green) to enable hybrid or full EV operation. A Romanian team—Dan Scarlat (automotive journalist), Marian Cilibeanu (designer) and Cristian Ionescu (engineer)—are proposing the SCI hyMod modular concept car. Click to enlarge.
The injection of the additional air during transients can overcome the poor driveability usually associated with heavily downsized and supercharged engines, the team notes. In the pneumatic hybridization scheme, each cylinder is connected via a fully variable charge valve to a shared pressure tank. Dönitz et al. Source: ETH Zürich.
The LowCVP Technology Challenge is supported by the Institution of Mechanical Engineers (IMechE) and with an associated media partner, Cleantech Investor. The two rotors are connected together by a connection rod that has a quasi-circular orbit. The Exhaust port is located on the outer side of the engine block.
For the study, Honda installed a small pump separate from that of engine lubricating oil pump. Oil passage was constructed from the external pump through the crankshaft and connecting rod to the piston. Kawajiri (2009) Advanced Design of Variable Compression Ratio Engine with Dual Piston Mechanism (SAE 2009-01-1046).
In August, Garric Engines. reached an agreement in principal to utilize Cobra Design & Engineering, Inc. Petersburg, Florida for engineering, drafting, design and manufacturing management functions for prototype development and production. Tags: ConceptEnginesEngines.
This technology will allow researchers to develop future combustion engines free from the piston motion constraints dictated by the crankshaft. Already validated at proof-of-concept level, Libertine’s new hardware uses production-feasible component designs suitable for automotive hybrid powertrain modules, such as range extenders.
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