译文：
一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。齿轮转动时，吸入腔侧轮齿相互脱开处的齿间容积逐渐增大，压力降低，液体在压差作用下进入齿间。随着齿轮的转动，一个个齿间的液体被带至排出腔。这时排出腔侧轮齿啮合处的齿间容积逐渐缩小，而将液体排出。齿轮泵适用于输送不含固体颗粒、无腐蚀性、粘度范围较大的润滑性液体。泵的流量可至300米3/时，压力可达3×107帕。它通常用作液压泵和输送各类油品。齿轮泵结构简单紧凑,制造容易,维护方便，有自吸能力，但流量、压力脉动较大且噪声大。齿轮泵必须配带安全阀，以防止由于某种原因如排出管堵塞使泵的出口压力超过容许值而损坏泵或原动机 1、起动： （1）启动前检查全部管路法兰，接头的密封性。 （2）盘动联轴器，无摩擦及碰撞声音。 （3）首次启动应向泵内注入输送液体。 （4）启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。 （5）验证电机转动方向后，启动电机。 2、停车： （1）关闭电动机。 （2）关闭泵的进、出口阀门。

“ Gear pump starting and stopping”是由提供的国际水泵新闻，译文仅供参考。另外，中国离心泵网还提供相关产品搜索：、、、、等。

原文：
A pair of mutually meshing gears and the pump cylinder to separate the suction chamber and discharge chamber. Gear rotation, inhalation chamber side of the tooth between the teeth disengaged at gradually increasing volume, the pressure reduced, the liquid under pressure into the teeth. As the gears rotate, one by one teeth were brought to the discharge of the liquid chamber. Then discharge chamber side of the teeth at tooth meshing volume gradually reduced, while the liquid discharge. Gear pump for conveying solid particles free, non-corrosive, viscosity of a wider range of lubricating fluids. Pump flow rate can be up to 300 m 3 / h, pressure up to 3 × 107 Pa. It is usually used as a hydraulic pump and distribution of various types of oil. Gear Pump simple structure, compact, easy to manufacture, easy to maintain, there are self-priming capability, but the flow, pressure pulsation larger and noisy. Gear pump must be equipped with a safety valve to prevent the discharge tube due to some reasons, such as clogging of the outlet pressure exceeds the pump to allow the value of the damage to pump or prime mover 1, start: (1) a pre-check all the pipe flange, joint sealing. (2) The dynamic coupling drive, no friction and collision sounds. (3) The first launch should be injected into the transmission fluid pump. (4) should be fully open before the start of the suction and discharge pipe valves, non-closing valve to start. (5) Verify motor rotation direction, start the motor. 2, Parking: (1) Close motors. (2) Close the pump inlet and outlet valves.