公开(公告)号：US5140311A

公开(公告)日：1992-08-18

申请号：US641841

申请日：1991-01-16

Applicant: Farley Cook

Inventor： Farley Cook

IPC: F04B49/10 ,  F16C17/24

CPC classification number: F16C17/24 ,  F04B49/10 ,  F04B2201/1207

Abstract: A pump shut-down system is disclosed for preventing damage to the pump from bearing failure. That system has a metal bar located within a preset clearance distance from a traveling element of the pump (such as a piston rod), a voltage source in electrical contact with the metal bar, an automatic shut-down relay in electrical contact with the voltage source, and an electrical ground on the pump in electrical contact with the voltage source. The metal bar, voltage source, automatic shut-down relay, and electrical ground all form an electrical circuit. That circuit is open when the metal bar is not in physical contact with the traveling element, and is closed whenever the metal bar is in physical contact with the traveling element. Whenever the circuit is closed, the automatic shut-down relay shuts down the pump.

Abstract translation: 公开了一种泵关闭系统，用于防止泵从轴承故障中的损坏。 该系统具有位于与泵（例如活塞杆）的行进元件的预设间隙距离内的金属杆，与金属杆电接触的电压源，与电压电接触的自动关闭继电器 源和电源与电压源电接触。 金属棒，电压源，自动关闭继电器和电气接地都形成电路。 当金属棒不与行进元件物理接触时，该电路是断开的，并且每当金属棒与行进元件物理接触时，该电路闭合。 每当电路关闭时，自动关闭继电器关闭泵。