METHOD OF MANUFACTURING VARIABLE-DISPLACEMENT PISTONS

METHOD OF MANUFACTURING VARIABLE-DISPLACEMENT PISTONS

In a method for manufacturing a pair of variable-displacement pistons 10, a first and a second piston body 12 are provided that each include a hollow body portion 14 with an open end and a closed end. The closed end is adjoined by an actuator arm 16 monolithically formed with the hollow body portion...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: COLCHEN, Daniel, COCHRAN, Theodore, R, ICARD, Sullivan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBINED OPERATIONS
HEATING
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WEAPONS
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Beschreibung
Zusammenfassung:In a method for manufacturing a pair of variable-displacement pistons 10, a first and a second piston body 12 are provided that each include a hollow body portion 14 with an open end and a closed end. The closed end is adjoined by an actuator arm 16 monolithically formed with the hollow body portion 14. A monolithic dual piston head is provided that includes a first head piston head and a second piston head extending parallel to each other at an axial distance spanned by a recessed hub. The piston heads are simultaneously friction-welded to the open ends of the first and second piston bodies. The first piston head is separated from the second piston head by removing the recessed hub to form a first variable displacement piston and a second variable displacement piston.