Expansible chamber devices inventions 06/06

20060137520 - Scotch yoke engine: A scotch yoke type fluid device where the or each piston (32) has its own slider (18) and its own pair of sliding surfaces (30) disposed on the same side of the big end bearing (16) of the crank (12). The main crank axis (14) is movable along a path...

20060130644 - Piston assembly: Apparatus and methods for assembling a piston assembly that comprises a piston comprising a head end flange and a crank end flange and a rod having a head end shoulder and a crank end shoulder. The head end shoulder of the rod contacts the head end flange of the piston...

20060130645 - Non-rotating double acting piston and cylinder assembly: A fluid actuated piston and cylinder assembly with a cylinder housing having a head end and a cap end with a piston slidably reclined within the cylinder. A piston rod is attached to the piston for sliding movement with respect to the cylinder housing between an extended position and a...

20060123985 - Process for forming a composite ni and cu alloy plating film: A composite nickel and copper alloy plating film (3) containing nickel and copper. Nickel is of high wear resistance and a nickel alloy improves the wear resistance of the film. Copper is of high corrosion resistance and a copper alloy improves the corrosion resistance of the film. The film may...

20060112820 - Rotary actuator assembly: A rotary actuator assembly is provided. The assembly has a flexible member that is attached to a piston for linear movement. The flexible member is also attached to a pinion for pivotable movement....