WATER PUMP PISTON Russian patent published in 2009 - IPC F04B53/14

Abstract RU 2352815 C1

FIELD: engines and pumps.

SUBSTANCE: device is designed to be used in primps production. Water pump piston is arranged in hollow metal cylinder fitted on the rod. Metal washer and rubber sealing plate are fitted on top. The rod accommodates a medium-size metal washer with 6÷8 holes and end metal washer with 6÷8 holes between which a rubber washer-piston with 6÷8 holes is fitted. All aforesaid elements are locked by nut of the rod threaded end.

EFFECT: control over gap δ between hollow cylinder inner surface and rubber washer-cylinder outer surface.

1 dwg

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RU 2 352 815 C1

Authors

Masjutin Vladimir Il'Ich

Dates

2009-04-20—Published

2007-07-18—Filed