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1. 发明授权

US5449051A Pneumatic oil lubricator 失效
标题翻译：气动油润滑器
公开(公告)号：US5449051A
公开(公告)日：1995-09-12
申请号：US167660
申请日：1993-12-16
申请人： Pen-Huai Liao
发明人： Pen-Huai Liao
IPC分类号： B67D7/04 , B67D7/66 , F16N7/30 , F16N13/20 , F16N37/00
CPC分类号： B67D7/04 , B67D7/66 , F16N37/00 , F16N7/30 , F16N13/20 , Y10T137/2496
摘要： A pneumatic oil lubricator for lubricating replenishment mainly has a pneumatic oil pump for pumping oil from a oil reservoir to an oil outlet unit, such as an oil gun. An automatic controlling apparatus is provided which has a hollow unit sleeve, a piston disposed in the hollow unit sleeve, and a spring mounted on the piston. The piston has interior air passage formed at one end thereof. The entrance and the exit of the interior air passage are faced to the second connecting inlet and the connecting outlet respectively. In which, the hollow sleeve has a first and a second connecting inlets at its two end and an connection outlet. The first connecting inlet is linked to an air compressor, the first connecting outlet is linked to the air outlet unit, and the connecting outlet is linked to an air inlet of the pneumatic oil pump. Since the oil pressure alters according to the switching on or off of the oil outlet unit, the piston will be driven to move in the unit sleeve that the interior air passage can be kept opened or closed. Thus, when the oil outlet unit is switched off, the interior air passage will be closed to stop the air flowing to the pneumatic oil pump that the pneumatic oil pump is stopped automatically without electric equipment.
摘要翻译：用于润滑补给的气动油润滑器主要具有用于将油从油箱泵送到油出口单元（例如油枪）的气动油泵。提供了一种自动控制装置，其具有中空单元套筒，设置在中空单元套筒中的活塞和安装在活塞上的弹簧。活塞在其一端形成有内部空气通道。内部空气通道的入口和出口分别面对第二连接入口和连接出口。其中，中空套管在其两端具有第一和第二连接入口和连接出口。第一连接入口连接到空气压缩机，第一连接出口连接到出气单元，连接出口连接到气动油泵的进气口。由于油压根据油出口单元的打开或关闭而改变，所以活塞将被驱动以在单元套筒内移动，内部空气通道可以保持打开或关闭。因此，当油出口单元关闭时，内部空气通道将被关闭，以阻止流到气动油泵的空气，使得气动油泵在没有电气设备的情况下自动停止。

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