| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CIF,FCA,EXW |
| Transportation: | Ocean,Land,Air,Express |
| Port: | DALIAN ,NINGBO,SHANGHAI |
Model No.: FBB127C
Brand: FZB
Place Of Origin: China
Application: DCT
Type: Vane Pump
| Selling Units | : | Piece/Pieces |
| Package Type | : | PAPER BOX, PALLET |
| Picture Example | : |
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The function of the oil pump of the transmission is to provide hydraulic pressure to operate the control valve and clutch, provide a quantitative supply of gear oil in the transmission and differential boxes, and send the transmission oil to the cooler for circulation and heat dissipation. The following is a partial introduction to the oil pump:
The oil pump is the power source of the entire hydraulic system of the automatic transmission, and is generally directly driven by the engine.
All automatic transmissions have a front pump driven by an engine, and some transmissions also have a rear pump driven by an output shaft. The commonly used oil pumps include internal gear oil pumps, rotor type oil pumps, and vane type oil pumps.
There are two oil pumps in the gearbox, which are installed in an assembly and separated by a partition between them. They operate at the same speed and rotate at the same speed as the engine.
Critical parameters:
| Part Name: | Transmission Oil Pump |
| Function: | Master Oil Pump |
| DARE PN: | FBB127C |
| Application: | DCT |
| Type of Pump | Vane Pump |
| Max. Pressure: | 25bar |
| Speed Range: | 650-6600rpm |
| Flow Rate: | ≥7.4L/min |
| Working Temperature: | -40 ~ 140℃ |
Vane pump:
This vane pump has the advantages of stable operation, low noise, uniform oil flow, and high volumetric efficiency. However, its structure is complex and sensitive to hydraulic oil contamination. As shown in the figure, the pump consists of a stator, rotor, blade, housing, and pump cover. The rotor is driven by a shaft sleeve at the rear of the torque converter housing and rotates around its center. The stator is fixed, and the two are not concentric, with a certain degree of eccentricity. When the rotor rotates, the blades open outward under the action of centrifugal force and oil pressure at the bottom of the blades, close to the inner surface of the stator, and reciprocate in the rotor blade groove as the rotor rotates. Therefore, a sealed working chamber is formed between adjacent blades. If the rotor rotates clockwise, the volume of the working chamber in the right half of the connecting line between the rotor and the stator gradually increases, resulting in vacuum oil absorption. The volume of the working chamber in the left half of the center line gradually decreases, and the oil pressure is extracted. Operating principle: The rotor is driven by the shaft sleeve of the hydraulic torque converter housing, rotates around its center, and the stator is fixed. The rotor and stator are not concentric, and there is eccentricity between them. When the rotor rotates, under the action of centrifugal force, the blades expand outward, close to the inner surface of the stator, and reciprocate in the rotor blade groove as the rotor rotates, thereby forming a sealed working cavity between adjacent blades. If the rotor rotates clockwise, the volume of the working chamber on the right side of the center line of the rotor and stator will gradually increase, creating a certain degree of vacuum. The hydraulic oil will be sucked in from the oil inlet, and the volume of the working chamber on the left side of the center line of the rotor and stator will gradually decrease. The hydraulic oil pressure will increase, and the oil will be discharged from the oil outlet.
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