Expansible chamber devices inventions 12/06

20060288864 - Motor of pneumatic tool: There is disclosed a motor of a pneumatic tool. The motor includes a cylinder, a rotor put in the cylinder, a plurality of leaves movable to the cylinder from the rotor in operation, a front cover connected to a front end of the cylinder, a rear cover connected to a... Agent: Nikolai & Mersereau, P.A.

20060283322 - Hermetic compressor: A hermetic compressor capable of preventing malfunction due to impurities trapped between contact portions of a crankshaft and a crankshaft supporting frame when the crankshaft rotates in a hollow portion of the frame. The hermetic compressor comprises the frame having the hollow portion, the crankshaft rotatably inserted in the hollow... Agent: Blank Rome LLP

20060278071 - Internal combustion engine: In an internal combustion engine for a motor vehicle, having a piston bearing surface divided into regions of different loading and having recesses for retaining lubricant arranged at distances which are shorter in regions of high loading than in regions of lower loading in a region with high loading, the... Agent: Klaus J. Bach

20060272497 - Pneumatic cylinder: A pneumatic cylinder having a cushioning valve assembly. A tubular body is capped by a pair of cylinder heads. A hollow cylinder rod having a piston assembly and cushioning valve assembly is seated within the tubular body for reciprocating action therein. The piston assembly is formed of a piston having... Agent: Nexus Law Group LLP

20060272498 - Hydraulic cylinder unit: A hydraulic cylinder unit is provided with a rod seal and/or piston seal which has a surface that deviates from the vertical circular cylindrical surface of the piston head throughhole through which the piston rod passes or the vertical circular cylindrical surface of the cylinder interior while forming respective converging... Agent: Jordan And Hamburg LLP