دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a forged-metal shaft that joins the piston of an engine to the crank-shaft. 2. the metal shaft that is joined to the bull gear and crosshead of a mud pump.

n: the block in a mud pump that is guided to move in a straight line and serves as a connection between the pony rod and the Commenting rod.

n: The scroll box of drill pump, moving along guide in right line. Used to connect drag link and pitman.

n: the power loss to overcomes the mechanical friction of gears, bearings pistons, packing, or crosshead.