pendulum combustion negine - new idea (patent)

It is the second video showing the operation of our patented the internal combustion engine. I represent a team of engineers who have been developing an invention in combustion engine design for more than a year already. The invention has been filed for patent protection in a WIPO. Our innovation should lead to considerable reduction of weight and volume of a power plant as compared with standard solutions of similar output. Should you be interested in use of this solution, further development, or rights to the invention, also if you require any further information please contact us at: e-mail: pawel.wilk (at) or to pcengine (at) Pendulum Combustion Engine Development Team Wilk Brothers

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CHB-Evo. One-Cycle Internal Combustion Engine Principle
Having a constant charge air volume and pressure to supply the intake ports (System Not Shown), the engine's combustion chambers can be successfully scavenged in the form of a Two-Stroke Principle, not having to use the crank case as a charge air pump. This enable the engine to run significantly cleaner, leaner and more efficient than common 2-Stroke and 4-Stroke Engines. For every revolution of the crank shaft, one piston member has two compression strokes. This kinematic advantage brings about the so called REISSER-CYCLE or One-Cycle principle.

The Coanda Effect (version 2013)
Text from this movie: "So, one would expect the air to flow out of the fan horizontally in all directions, but due to the Coanda effect; the air bends down, to almost 90 degrees The airflow is being pushed down by the air above, because the pressure of the air in between the flow and the curved surface, is reduced by the suction of the airflow. Next, an other example of the Coanda effect, where I used smoke to make the flow visible. Air is being accelerated down, and part of the upper surface is in touch with reduced air pressure. This action gives the object a force up, thrust, that can lift the object. Henri Coanda realized this, and then designed a flying disc based on this effect, in 1932!" More about this at On my site, I placed a copy of "The Coanda story" (interview, 1956). Great info:

PAUT ENGINE - Prototype 2 is performed as an engine with two-sided pistons, positioned at 90° to each other, in combination with PAUT two-stroke cycles (fig 1). Such construction provides an engine containing less assembling parts, having smaller mass to power and overall-dimensions to power ratios, which are the presumptions for a successful product to be accomplished and for low cost production/exploitation to be expected. Smaller mass, compared to the prior art engines, derives from the fact that PAUT engine contains considerably less assembling parts lacking elements such as: rods, camshafts, camshaft's driving parts, some valves, large heads. The very construction of the two-sided piston (fig 3) has more advantages. Contact area between two-sided piston and cylinder is considerably larger compared to prior art pistons. Hence, specific pressures are lower and since the two-sided piston is lubricated under the pressure, the friction is considerably smaller, the more so as we know that normal force Fn in the engine center equals zero (fig 2a). All these results with less wear of the piston and the cylinder. Such a two-sided piston has considerably smaller mass compared to the prior art assembly it replaces, consisting of two pistons with their prison-shafts and two belonging rods, resulting in lessening of linear motion inertial forces. This construction has still more advantages as compared to prior art engines such as: - better controlled cooling of cylinders not being adjoined to each other - smaller friction inside the engine due to less moving parts - increasing the capacity of this engine, though considerably, results in overall dimensions to increase only slightly - gravity center is posted lower (it is in the engine center) - better forces configuration in the very engine, while negative forces and torques nullify each other completely (fig 2b) - it is possible to dismount pistons and cylinders without entire dismounting of the engine - no special tools nor machines were used to produce this engine - there is less noise due to the design of the two-sided piston - though the cycle is of two-strokes, the lubrication is performed as if it was four-strokes The objections on this construction should be as follows: - due to the compressed construction , the starter should be mounted on the gear box, but with some endeavour it is possible to mount it on the very engine - the force on the output journal of the crankshaft (fig 2a) is twice compared to the one at prior art engines, but this problem becomes negligible with a proper design of the journal and of the operating shaft bearings - there is no oil sump at this engine, hence an additional oil-pump is needed - since it is a two-stroke cycle engine, the engine cylinders are submited to higher mechanical and thermical load comparing to four-strike cycle Prototype 2 - characteristics (technical data): • Two-stroke engine • Engine-block measurments with heads mounted 500mm x 440mm x 440mm • Engine two-sided piston diameter 100 mm • Compressor two-sided piston diameter 120 mm • Two-sided piston stroke 88 mm • Capacity 7000 cm3 • Number of chambers 4(engine) + 4(compressor) • Number of two-sided pistons 2(engine) + 2(compressor) • Weight 135 kg • Power, torque and specific consumption have not been measured as yet.

Ridders 4 Stroke IC engine with glass cylinder
For more information visit my website: Google Hydromodels- Huib Visser- Gallery ( model 52) NOT FOR SALE Model 4 stroke IC engine with visible combustion. Original design: Jan Ridders. Redesigned and constructed by Huib Visser, Stirlingmodels, The Netherlands - 2013