This guideline stipulates the original design parameters and requirements, design calculation formulas, structural form design, material selection, heat treatment methods, test requirements and other general contents for gear fuel pumps in aircraft engine fuel control systems. This guideline applies to two-gear fuel pumps with external straight teeth and involute tooth configuration.
HB/Z 134-1988 history
1988HB/Z 134-1988 Design Guide for Gear Fuel Pumps in Engine Fuel Control Systems