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RETAINER FOR PISTON HEAD SUBASSEMBLY AND METHOD OF RETAINING PISTON HEAD SUBASSEMBLY
RETAINER FOR PISTON HEAD SUBASSEMBLY AND METHOD OF RETAINING PISTON HEAD SUBASSEMBLY
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机译:活塞头子组件的保持器和保持活塞头子组件的方法
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摘要
The present invention is a retainer (50) for a piston and valve subassembly of a scotch yoke compressor and a method of assembling it. The subassembly is comprised of a piston head (10), a suction valve (22), a spacer (36), a stop washer (38), and a rod (26) held together by the retainer. The suction valve is assembled on the rod, then the rod is inserted into the piston head. Next the retainer is installed on an end of the rod for frictionally engaging the piston and rod, thus axially securing the suction valve and the rest of the piston head subassembly (10) during assembly to the yoke (12). IMAGE
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