Wobblestick with helix
Work machine
Working member of a helical downhole motor for drilling wells
Worm for an eccentric screw pump or a subsurface drilling motor
Worm pump for thick media and/or media containing lumps, e.g. me
Worm type compressor with compressed fluid escape grooves
Worm-drive compressor
Worm-type rotary fluid compressor
Wrap element and tip seal for use in fluid apparatus of the scro
Wrap element and tip seal for use in fluid apparatus of the scro
Yin-Yang fluid power machine
Yoke coupler for two eccentrically rotating members
Yoke mechanism for fluid displacement device
Zirconia and zirconia composite ceramic shafts for gear micropum
Zirconia vane for rotary compressors