differential pinion

epicyclic gear

bộ bánh răng hành tinh

epicyclic gear (planetarywheel)

epicyclic gear train

epicyclodal gear

pinion gear

planet gear

planet gear train

planet pinion

planet wheel

planetary gear

bộ bánh răng hành tinh

planetary gear set

bộ bánh răng hành tinh (cặp ba)

planetary gear set

bộ bánh răng hành tinh ravigneaux

ravigneaux planetary gear set

cụm bánh răng hành tinh simpson

simpson (planetary) gear set

hộp visai bánh răng hành tinh

planetary gear differential

planetary pinion

sun gear

sun-and-planet gearing