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Wobble plate piston water pumps for use in low flow gas pressure washers or low current electric pressure washers

A rocking plate, washing machine technology, applied in the direction of machines/engines, liquid variable capacity machines, pumps with flexible working elements, etc., can solve problems such as excessively expensive, inoperable pressure washers, loss of function, etc.

Active Publication Date: 2021-03-26
ACTIVE PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these traditional modifications often result in damage that renders the pressure washer impractical, prohibitively expensive and / or non-functional

Method used

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  • Wobble plate piston water pumps for use in low flow gas pressure washers or low current electric pressure washers
  • Wobble plate piston water pumps for use in low flow gas pressure washers or low current electric pressure washers
  • Wobble plate piston water pumps for use in low flow gas pressure washers or low current electric pressure washers

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Embodiment Construction

[0027] Embodiments will now be described with reference to the accompanying drawings. For simplicity and clarity of illustration, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. Furthermore, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the embodiments described herein. Also, the description should not be considered as limiting the scope of the embodiments described herein.

[0028] Unless the context dictates otherwise, the various terms used throughout this specification are to be read and understood as follows: as used throughout, "or" is inc...

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PUM

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Abstract

There is provided a wobble plate type piston water pump used in a pressure washer and driven by a driving source, the water pump includes a pump body, a wobble plate, four or more pistons, and a water passage defined by a water inlet and a water outlet. The drive source is electrically powered and has a power draw of less than or equal to 15 amps at 20 volts or 220 volts, or the drive source is gas powered and has an engine displacement of less than or equal to 250 cubic centimeters.

Description

technical field [0001] The following relates generally to water pumps, and more specifically to wobble plate piston water pumps for use in low flow gas pressure washers or low current electric pressure washers. Background technique [0002] There are numerous home and light commercial pressure washers on the market. For purposes below, these washers are those that provide pressurized water below 3500 pounds per square inch (psi) at a water flow rate of less than 3.0 gallons per minute (gpm). [0003] The vast majority, if not all, of these pressure washers use brush motors or induction motors that drive wobble plate pumps, or air powered motors. A wobble plate displaces three pistons that alternately draw water from the inlet and drive pressurized water through the outlet. The use of three pistons is often prevalent. [0004] Efforts to increase the power of pressure washers often include changing some element of the water pump, such as increasing the strength of the moto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B43/02F04B43/00F04B1/12
CPCF04B1/124F04B1/128F04B1/146F04B1/16
Inventor 侯思台顾江勇刘明林敏聪
Owner ACTIVE PRODS
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