Oil Pump

Applicable models

The oil pan is the lower half of the crankcase, also known as the lower crankcase. The function is to close the crankcase as the outer shell of the oil storage tank to prevent impurities from entering, and to collect and store the lubricating oil flowing back from the friction surfaces of the diesel engine to dissipate part of the heat and prevent the lubricating oil from oxidizing.Tarzan auto parts---Our inventory includes all auto parts sold in the world, including Dongfeng, Sinotruk, Howo, FAW Honda, Toyota, Volkswagen, Volvo, etc. Welcome to buy.

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product structure

structure
The structure is simple, the volume is small, the weight is light, and the oil delivery volume is large. Cycloidal rotor pump adopts the structure of inner and outer rotor meshing, with a small number of teeth and compact structure size. It can form a sealed cavity without the aid of other isolation elements, and its number of parts is small.
Sports characteristics
Smooth operation and low noise. The number of teeth of the inner and outer rotors of the cycloid rotor pump is only one tooth. When they move relative to each other, the sliding speed of the tooth surface is low, and the meshing point is constantly moving along the tooth profile of the inner and outer rotors. Therefore, the mutual wear of the tooth surfaces of the two rotors is small. Since the enveloping angle of the oil suction cavity and the oil discharge cavity is large, close to 145°, the oil suction and discharge time are relatively sufficient, so the oil flow is relatively stable, the movement is relatively stable, and the noise is significantly lower than that of the gear pump.
High speed characteristics
High-speed characteristics are good. For a general involute gear pump, if the rotation speed is too high, the centrifugal force will cause insufficient oil filling of the gear valleys to form "cavities", which will reduce the efficiency of the pump. Therefore, its rotation speed rarely exceeds 3000rpm. Within 5～6m/s. For the cycloid rotor pump, the oil suction and discharge angle range is large. When rotating at high speed, the centrifugal force is beneficial to the filling of the oil in the tooth valley without harmful "cavitation" phenomenon. Therefore, the rotational speed range of the cycloid rotor pump Can be in a few hundred to nearly ten thousand revolutions.

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Engine application scenarios