Sanitary design gear pump
Seal arrangement for a gear machine
Seal device for gear pump
Seal mechanism in gear pumps or motors
Sealing arrangement for gear-type fluid displacing machines
Self-contained rotary fuel pump
Self-sealing gear pump with sealing pressure divider
Sickleless internal gear pump with radially movable sealing elem
Sliding-vane rotary compressor
Structure for preventing cavitation erosion of oil pump