Basic Process Knowledge (Multiple Choice) 20180207
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The asymmetric unloading groove of a gear pump is . A. Grooves are only present at the discharge end. B. Grooves are only present at the suction end. C. A pair of grooves are offset toward the suction end. D. A pair of grooves are offset toward the discharge end. Hint: Grooves offset toward the suction end can prolong the time during which the oil-trapping space is in communication with the discharge chamber, thereby reducing the oil-trapping phenomenon.
C. A pair of grooves offset toward the suction side
C. A pair of grooves offset toward the suction side
C. A pair of grooves offset toward the suction side