The oil introduced to the chamber 123 as the inner gear 124 and the outer gear 122 are rotated together, flows toward {HEAD ~ the outlet} 134 of {TAIL ~ the pump cover} 130 
The oil introduced to the chamber 123 as the inner gear 124 and the outer gear 122 are rotated together , flows toward { HEAD ~ the outlet } 134 of { TAIL ~ the pump cover } 130
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH