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Class 123/52.2 - Simultaneous compression, distinct pistons, restricted communication to a single combustion chamber

Subclass of Class 123 - Internal-combustion engines
Definition: Multiple cylinder engine including at least two cylinders
No. of patents: 5
Last issue date: 07/03/2007

Number	Title	Issue Date
7237542	Internal combustion engine The invention concerns a combustion engine comprising a cylinder and a piston which is displaceably guided in the cylinder, the piston having a piston head facing a combustion chamber and being coupled to a crankshaft via a connecting rod, wherein a second piston wh...	07/03/2007
7017533	Almost zero combustion chamber An internal combustion reciprocation engine conjoined and integrated with a supplementary piston mechanism. The supplementary piston mechanism serves as a storage and return volume for fresh gases to be ignited during the power stroke. Thus, erasing the need for a c...	03/28/2006
6447268	Positive displacement engine with integrated positive displacement rotary fluid compressor A positive displacement engine with integrated positive displacement rotary fluid compressor has a piston chamber, a piston disposed in the piston chamber, a rotary compressor housing, the rotary compressor housing have first and second interconnected rot...	09/10/2002
6082313	Power machine lubrication The present invention is for the kind of power machines, engines, pumps or compressors which have two or more pistons which work against each other, preferably with a common combustion chamber or corresponding, in a stationary cylinder and where the power...	07/04/2000
6079377	Air cooled power machine The present invention is for the kind of power machine, engines, pumps or compressors which have two or more pistons which work against each other preferably with a common combustion space or corresponding in a stationary cylinder, and where the power is ...	06/27/2000

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