Performance Analysis of Internal Gear Pump
As a positive displacement hydraulic machinery, the circular arc swing internal meshing gear pump has an inner rotor tooth profile […]
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gear pump
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Friction on gear end face of high-speed gear pump
Introduction The aviation high-speed gear pump is an important power output device in the aircraft hydraulic system. In order to
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Dynamic simulation of flow field inside external gear pump
External gear pump is the most widely used aviation oil pump, due to itsIt has simple structure, good maintainability, mature
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Physical model of double arc helical gear pump
The physical model of a double arc helical gear pump can be described in terms of its key components and
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Improvement measures and validity verification of forging crack of a fuel gear pump shell
According to the cause analysis of the shell forging crack, the forging deformation is increased by increasing the forging process,
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Failure analysis and Discussion on forging of a fuel gear pump shell
The crack is located in the middle of the shell and at the root of the processed 8-shaped hole. The
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Failure analysis of forging of a fuel gear pump shell
Macro analysis It can be seen from Fig. 1 (a) that the cracks are exposed on the forging surface, the
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Strategy of effectively controlling noise of internal gear pump
(1) Control of noise caused by flow pulsation. Through the above analysis of the causes of noise, we can see
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Cause analysis of noise in internal gear pump
(1) Pump flow pulsation causes noise. In the process of operation, the pump is faced with the noise problem caused
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Working principle of internal gear pump
With the rapid development of industrial society, the application scope of internal gear pump is more and more wide, and
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Influence of tooth profile parameters of gear micropump on flow pulsation
For the involute gear, the tooth profile parameters are mainly the number of teeth Z, modulus, pressure angle α, modification
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Influence of trapped oil pressure on flow pulsation of gear micropump
The flow fluctuation quality is mainly reflected in the fluctuation coefficient. The smaller the fluctuation coefficient is, the better the
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Unloading flow calculation of gear micropump affecting instantaneous flow
In one meshing cycle of [S1, S4], only the volume change rate DV of trapped oil compression in Fig. 1