PUMP UNIT AND HANDHELD HIGH PRESSURE WASHER
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United States of America Patent
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Nov 15, 2018
app pub date -
Nov 21, 2016
filing date -
Nov 21, 2016
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Abstract
The present invention relates to a pump unit applied to a high-pressure cleaning machine, including: a water inlet chamber, a water outlet chamber, and a central chamber connected to the water inlet chamber and the water outlet chamber. The pump unit further includes a plunger disposed in the central chamber and an eccentric mechanism connected to the plunger. The eccentric mechanism drives the plunger to perform reciprocating motion in the central chamber.
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